Satellite water quality data

Cleanest beaches and surf spots

267 coastal spots ranked by underwater visibility. Satellite data from Copernicus Marine and NOAA VIIRS, updated daily.

267 spots

#	Location	Country	Visibility ↓	Rating	Chlorophyll	Turbidity	SST
1	Jaws/Pe'ahi	United States	36.1m	Crystal clear	0.1 mg/m3	0.3 g/m3	24.9°C
2	Teahupo'o	French Polynesia	35.6m	Crystal clear	0.1 mg/m3	0.2 g/m3	28.1°C
3	Tamarin Bay	Mauritius	33.5m	Crystal clear	0.1 mg/m3	11.6 g/m3	27.1°C
4	Rincón	Puerto Rico	32.1m	Crystal clear	0.1 mg/m3	0.6 g/m3	28.4°C
5	Sunset Beach	United States	31.7m	Crystal clear	0.1 mg/m3	38.9 g/m3	25.6°C
6	Laniakea	United States	31.5m	Crystal clear	0.1 mg/m3	0.9 g/m3	25.7°C
7	Pipeline	United States	31.3m	Crystal clear	0.1 mg/m3	0.5 g/m3	25.6°C
8	Waimea Bay	United States	31.3m	Crystal clear	0.1 mg/m3	0.5 g/m3	25.6°C
9	Siargao/Cloud 9	Philippines	30.1m	Crystal clear	0.1 mg/m3	0.3 g/m3	30.1°C
10	Fernando de Noronha	Brazil	29.2m	Crystal clear	0.1 mg/m3	0.3 g/m3	29.0°C
11	Rhodes	Greece	29.1m	Crystal clear	0.1 mg/m3	0.4 g/m3	19.5°C
12	Vliho Bay	Greece	28.6m	Crystal clear	0.1 mg/m3	0.4 g/m3	18.9°C
13	Hookipa	United States	28.5m	Crystal clear	0.1 mg/m3	61.5 g/m3	24.9°C
14	Aganoa	Samoa	28.5m	Crystal clear	0.1 mg/m3	- g/m3	29.9°C
15	El Quemao	Spain	25.9m	Crystal clear	0.1 mg/m3	0.4 g/m3	19.1°C
16	Tenerife	Spain	25.9m	Crystal clear	0.1 mg/m3	0.4 g/m3	20.7°C
17	Oludeniz	Turkey	25.7m	Crystal clear	0.1 mg/m3	0.4 g/m3	21.0°C
18	Honolua Bay	United States	25.6m	Crystal clear	0.1 mg/m3	1.4 g/m3	25.5°C
19	Taitung	Taiwan	25.5m	Crystal clear	0.1 mg/m3	1.0 g/m3	-
20	Le Moule	Guadeloupe	24.7m	Crystal clear	0.1 mg/m3	0.5 g/m3	27.7°C
21	Bathsheba	Barbados	24.6m	Crystal clear	0.2 mg/m3	0.2 g/m3	27.7°C
22	Margaret River	Australia	24.1m	Crystal clear	0.2 mg/m3	0.3 g/m3	21.0°C
23	Gracetown	Australia	24.1m	Crystal clear	0.2 mg/m3	0.3 g/m3	21.0°C
24	Lanzarote/Famara	Spain	24.1m	Crystal clear	0.2 mg/m3	0.5 g/m3	18.8°C
25	Cabarete	Dominican Republic	23.9m	Crystal clear	0.2 mg/m3	0.5 g/m3	27.3°C
26	Desert Point	Indonesia	23.3m	Crystal clear	0.2 mg/m3	0.7 g/m3	29.4°C
27	Lennox Head	Australia	23.3m	Crystal clear	0.2 mg/m3	- g/m3	23.1°C
28	Snapper Rocks	Australia	23.3m	Crystal clear	0.2 mg/m3	- g/m3	23.3°C
29	Mentawai Islands	Indonesia	22.8m	Crystal clear	0.2 mg/m3	0.3 g/m3	30.2°C
30	La Union (San Juan)	Philippines	22.8m	Crystal clear	0.2 mg/m3	0.5 g/m3	30.6°C
31	Kirra	Australia	22.6m	Crystal clear	0.2 mg/m3	- g/m3	23.1°C
32	Blacks Beach	United States	22.3m	Crystal clear	0.2 mg/m3	0.4 g/m3	19.5°C
33	Kuta Lombok	Indonesia	22.1m	Crystal clear	0.2 mg/m3	0.5 g/m3	29.4°C
34	Bull Bay	Jamaica	22.1m	Crystal clear	0.2 mg/m3	0.5 g/m3	28.6°C
35	La Santa	Spain	22.0m	Crystal clear	0.2 mg/m3	0.9 g/m3	18.9°C
36	Somo	Spain	21.8m	Crystal clear	0.2 mg/m3	- g/m3	15.7°C
37	Noosa	Australia	21.3m	Crystal clear	0.2 mg/m3	- g/m3	23.0°C
38	Tanegashima	Japan	21.0m	Crystal clear	0.2 mg/m3	0.3 g/m3	23.4°C
39	Nosara	Costa Rica	21.0m	Crystal clear	0.2 mg/m3	0.7 g/m3	30.2°C
40	Simeulue	Indonesia	20.9m	Crystal clear	0.2 mg/m3	0.3 g/m3	30.2°C
41	La Jolla Cove	United States	20.8m	Crystal clear	0.2 mg/m3	0.5 g/m3	19.5°C
42	Boracay	Philippines	20.8m	Crystal clear	0.2 mg/m3	0.6 g/m3	29.8°C
43	Burleigh Heads	Australia	20.4m	Crystal clear	0.2 mg/m3	- g/m3	23.2°C
44	Mundaka	Spain	20.2m	Crystal clear	0.2 mg/m3	- g/m3	16.6°C
45	Salinas	Spain	20.1m	Crystal clear	0.2 mg/m3	0.2 g/m3	15.3°C
46	Trestles	United States	20.1m	Crystal clear	0.2 mg/m3	0.5 g/m3	19.1°C
47	Thulusdhoo	Maldives	19.9m	Crystal clear	0.2 mg/m3	- g/m3	29.6°C
48	Nihiwatu	Indonesia	19.9m	Crystal clear	0.2 mg/m3	0.5 g/m3	28.5°C
49	Hiriketiya	Sri Lanka	19.5m	Crystal clear	0.2 mg/m3	- g/m3	29.1°C
50	Deba	Spain	19.2m	Crystal clear	0.2 mg/m3	- g/m3	16.6°C
51	Nias (Sorake)	Indonesia	18.7m	Crystal clear	0.3 mg/m3	0.5 g/m3	30.2°C
52	Angourie	Australia	18.5m	Crystal clear	0.3 mg/m3	- g/m3	22.6°C
53	Zarautz	Spain	18.4m	Crystal clear	0.3 mg/m3	- g/m3	16.7°C
54	Keramas	Indonesia	18.3m	Crystal clear	0.3 mg/m3	- g/m3	28.6°C
55	Maroubra	Australia	18.2m	Crystal clear	0.3 mg/m3	- g/m3	19.8°C
56	North Malé Atoll	Maldives	18.2m	Crystal clear	0.3 mg/m3	- g/m3	29.4°C
57	San Sebastián	Spain	17.9m	Crystal clear	0.3 mg/m3	- g/m3	16.7°C
58	Niijima	Japan	17.3m	Crystal clear	0.3 mg/m3	1.2 g/m3	18.9°C
59	Scarborough Beach	Australia	17.2m	Crystal clear	0.3 mg/m3	0.6 g/m3	20.7°C
60	Sopelana	Spain	17.2m	Crystal clear	0.3 mg/m3	- g/m3	16.6°C
61	The Wedge	United States	17.1m	Crystal clear	0.3 mg/m3	0.5 g/m3	18.6°C
62	North Stradbroke Island	Australia	17.0m	Crystal clear	0.3 mg/m3	- g/m3	23.6°C
63	Pantín	Spain	16.5m	Crystal clear	0.3 mg/m3	0.1 g/m3	14.8°C
64	Lakey Peak	Indonesia	16.5m	Crystal clear	0.3 mg/m3	0.7 g/m3	29.3°C
65	Santa Teresa	Costa Rica	16.4m	Crystal clear	0.3 mg/m3	0.1 g/m3	30.2°C
66	Krui	Indonesia	16.2m	Crystal clear	0.3 mg/m3	0.5 g/m3	30.4°C
67	Getxo	Spain	15.7m	Crystal clear	0.4 mg/m3	- g/m3	16.4°C
68	Ponta Preta	Cape Verde	15.6m	Crystal clear	0.4 mg/m3	0.2 g/m3	23.0°C
69	Easkey	Ireland	15.5m	Crystal clear	0.4 mg/m3	- g/m3	11.8°C
70	Gran Canaria/El Confital	Spain	15.2m	Crystal clear	0.4 mg/m3	0.5 g/m3	20.2°C
71	El Confital	Spain	15.2m	Crystal clear	0.4 mg/m3	0.5 g/m3	20.2°C
72	Itacaré	Brazil	15.0m	Crystal clear	0.4 mg/m3	2.1 g/m3	27.4°C
73	Guéthary	France	14.9m	Good	0.4 mg/m3	- g/m3	17.0°C
74	Biarritz	France	14.7m	Good	0.4 mg/m3	- g/m3	17.0°C
75	Bocas del Toro	Panama	14.6m	Good	0.4 mg/m3	- g/m3	28.9°C
76	Razo	Spain	14.4m	Good	0.4 mg/m3	0.4 g/m3	14.7°C
77	Tofo	Mozambique	14.3m	Good	0.4 mg/m3	0.6 g/m3	25.7°C
78	Anglet	France	14.3m	Good	0.4 mg/m3	- g/m3	17.1°C
79	Lanuza	Philippines	14.3m	Good	0.4 mg/m3	0.4 g/m3	30.4°C
80	Phillip Island	Australia	14.2m	Good	0.4 mg/m3	1.5 g/m3	16.2°C
81	G-Land	Indonesia	14.1m	Good	0.4 mg/m3	0.4 g/m3	27.4°C
82	Dee Why	Australia	13.9m	Good	0.4 mg/m3	- g/m3	20.4°C
83	Huntington Beach	United States	13.9m	Good	0.4 mg/m3	0.8 g/m3	18.7°C
84	Baler	Philippines	13.8m	Good	0.5 mg/m3	0.6 g/m3	30.2°C
85	Merewether	Australia	13.7m	Good	0.5 mg/m3	- g/m3	20.7°C
86	Fuerteventura/Cotillo	Spain	13.6m	Good	0.5 mg/m3	0.5 g/m3	19.0°C
87	Weligama	Sri Lanka	13.4m	Good	0.5 mg/m3	0.2 g/m3	29.3°C
88	Playa Grande	Costa Rica	13.2m	Good	0.5 mg/m3	0.2 g/m3	30.2°C
89	Tarifa	Spain	12.8m	Good	0.5 mg/m3	0.2 g/m3	17.4°C
90	Montañita	Ecuador	12.7m	Good	0.5 mg/m3	0.7 g/m3	26.2°C
91	Bells Beach	Australia	12.6m	Good	0.5 mg/m3	0.5 g/m3	16.0°C
92	Shipwreck Bay	New Zealand	12.5m	Good	0.5 mg/m3	0.3 g/m3	18.1°C
93	Popoyo	Nicaragua	12.5m	Good	0.5 mg/m3	0.4 g/m3	28.4°C
94	Kovalam	India	12.4m	Good	0.5 mg/m3	0.9 g/m3	29.1°C
95	El Gouna	Egypt	12.4m	Good	0.5 mg/m3	- g/m3	25.1°C
96	Hossegor	France	12.2m	Good	0.6 mg/m3	- g/m3	17.2°C
97	Capbreton	France	12.2m	Good	0.6 mg/m3	- g/m3	17.2°C
98	La Gravière	France	12.2m	Good	0.6 mg/m3	- g/m3	17.2°C
99	Arrifana	Portugal	12.2m	Good	0.6 mg/m3	0.6 g/m3	15.4°C
100	Praia do Amado	Portugal	12.2m	Good	0.6 mg/m3	0.5 g/m3	15.0°C
101	Strandhill	Ireland	12.1m	Good	0.6 mg/m3	- g/m3	11.9°C
102	Canggu	Indonesia	12.1m	Good	0.6 mg/m3	1.9 g/m3	28.1°C
103	Seignosse	France	11.9m	Good	0.6 mg/m3	- g/m3	17.2°C
104	Les Cavaliers	France	11.9m	Good	0.6 mg/m3	- g/m3	17.2°C
105	Narrabeen	Australia	11.5m	Good	0.6 mg/m3	- g/m3	20.7°C
106	Padang Padang	Indonesia	11.3m	Good	0.6 mg/m3	0.8 g/m3	27.9°C
107	Bingin	Indonesia	11.3m	Good	0.6 mg/m3	0.8 g/m3	27.9°C
108	Mullaghmore Head	Ireland	11.3m	Good	0.6 mg/m3	- g/m3	11.7°C
109	Bundoran	Ireland	11.2m	Good	0.6 mg/m3	- g/m3	11.5°C
110	Torquay	Australia	11.2m	Good	0.6 mg/m3	0.9 g/m3	15.9°C
111	Tsurigasaki Beach	Japan	11.1m	Good	0.7 mg/m3	0.5 g/m3	20.0°C
112	Barra de la Cruz	Mexico	11.0m	Good	0.7 mg/m3	0.5 g/m3	29.5°C
113	Sebastian Inlet	United States	11.0m	Good	0.7 mg/m3	3.8 g/m3	27.7°C
114	Avoca Beach	Australia	10.9m	Good	0.7 mg/m3	- g/m3	20.5°C
115	Jeffreys Bay	South Africa	10.8m	Good	0.7 mg/m3	0.8 g/m3	19.0°C
116	Unstad	Norway	10.7m	Good	0.7 mg/m3	0.6 g/m3	7.8°C
117	Balangan	Indonesia	10.7m	Good	0.7 mg/m3	1.0 g/m3	28.0°C
118	Uluwatu	Indonesia	10.7m	Good	0.7 mg/m3	1.0 g/m3	27.9°C
119	Medewi	Indonesia	10.6m	Good	0.7 mg/m3	1.0 g/m3	28.4°C
120	San José del Cabo	Mexico	10.6m	Good	0.7 mg/m3	0.4 g/m3	26.5°C
121	Florianópolis	Brazil	10.3m	Good	0.7 mg/m3	- g/m3	20.2°C
122	Izu Peninsula	Japan	10.0m	Good	0.8 mg/m3	0.3 g/m3	19.0°C
123	Cloudbreak	Fiji	9.9m	Good	0.8 mg/m3	- g/m3	28.1°C
124	Pascuales	Mexico	9.9m	Good	0.8 mg/m3	0.5 g/m3	29.5°C
125	La Torche	France	9.8m	Good	0.8 mg/m3	- g/m3	14.0°C
126	Hoddevik	Norway	9.5m	Good	0.8 mg/m3	- g/m3	9.0°C
127	Sayulita	Mexico	9.4m	Good	0.9 mg/m3	0.3 g/m3	29.3°C
128	Dunnet Bay	United Kingdom	9.4m	Good	0.9 mg/m3	0.7 g/m3	8.9°C
129	Lahinch	Ireland	9.3m	Good	0.9 mg/m3	- g/m3	11.2°C
130	Tramore	Ireland	9.3m	Good	0.9 mg/m3	- g/m3	11.7°C
131	Garopaba	Brazil	9.2m	Good	0.9 mg/m3	- g/m3	20.0°C
132	Runswick Bay	United Kingdom	9.0m	Good	0.9 mg/m3	0.8 g/m3	9.6°C
133	Sandsend	United Kingdom	9.0m	Good	0.9 mg/m3	1.0 g/m3	9.5°C
134	Thurso East	United Kingdom	8.6m	Good	1.0 mg/m3	0.8 g/m3	8.9°C
135	Cocoa Beach	United States	8.6m	Good	1.0 mg/m3	7.4 g/m3	27.4°C
136	Brimms Ness	United Kingdom	8.5m	Good	1.0 mg/m3	0.9 g/m3	8.9°C
137	Puerto Escondido	Mexico	8.5m	Good	1.0 mg/m3	0.5 g/m3	30.0°C
138	Polzeath	United Kingdom	8.4m	Good	1.0 mg/m3	- g/m3	12.3°C
139	Varkala	India	8.3m	Good	1.0 mg/m3	- g/m3	29.1°C
140	Santa Catalina	Panama	8.3m	Good	1.0 mg/m3	42.1 g/m3	29.6°C
141	Saltburn-by-the-Sea	United Kingdom	8.3m	Good	1.0 mg/m3	4.7 g/m3	9.8°C
142	Tiree	United Kingdom	8.3m	Good	1.0 mg/m3	0.5 g/m3	10.1°C
143	Harlyn Bay	United Kingdom	8.1m	Good	1.1 mg/m3	- g/m3	12.3°C
144	Pichilemu	Chile	8.1m	Good	1.1 mg/m3	0.3 g/m3	11.8°C
145	Kommetjie	South Africa	8.0m	Moderate	1.1 mg/m3	0.3 g/m3	15.2°C
146	Constantine Bay	United Kingdom	7.7m	Moderate	1.2 mg/m3	- g/m3	12.3°C
147	Lusty Glaze	United Kingdom	7.7m	Moderate	1.2 mg/m3	- g/m3	12.4°C
148	Watergate Bay	United Kingdom	7.7m	Moderate	1.2 mg/m3	- g/m3	12.4°C
149	Fraserburgh	United Kingdom	7.6m	Moderate	1.2 mg/m3	1.4 g/m3	9.2°C
150	Newquay/Fistral	United Kingdom	7.6m	Moderate	1.2 mg/m3	- g/m3	12.4°C
151	Maresias	Brazil	7.3m	Moderate	1.3 mg/m3	- g/m3	23.9°C
152	Arugam Bay	Sri Lanka	7.2m	Moderate	1.3 mg/m3	- g/m3	29.8°C
153	Ericeira	Portugal	7.2m	Moderate	1.3 mg/m3	0.6 g/m3	15.4°C
154	Ribeira d'Ilhas	Portugal	7.2m	Moderate	1.3 mg/m3	0.6 g/m3	15.4°C
155	Crantock	United Kingdom	7.2m	Moderate	1.3 mg/m3	- g/m3	12.4°C
156	Cimaja	Indonesia	7.2m	Moderate	1.3 mg/m3	1.6 g/m3	29.8°C
157	Wrightsville Beach	United States	7.2m	Moderate	1.3 mg/m3	2.1 g/m3	21.1°C
158	Nazaré	Portugal	7.1m	Moderate	1.3 mg/m3	3.4 g/m3	15.8°C
159	Chapel Porth	United Kingdom	7.0m	Moderate	1.3 mg/m3	- g/m3	12.4°C
160	Bantham	United Kingdom	6.9m	Moderate	1.4 mg/m3	- g/m3	12.4°C
161	Perranporth	United Kingdom	6.9m	Moderate	1.4 mg/m3	- g/m3	12.4°C
162	Saquarema	Brazil	6.8m	Moderate	1.4 mg/m3	- g/m3	24.1°C
163	Sagres	Portugal	6.7m	Moderate	1.4 mg/m3	1.2 g/m3	15.3°C
164	Dungeons	South Africa	6.7m	Moderate	1.4 mg/m3	0.3 g/m3	15.9°C
165	Bigbury-on-Sea	United Kingdom	6.7m	Moderate	1.4 mg/m3	- g/m3	12.4°C
166	Bude Summerleaze	United Kingdom	6.6m	Moderate	1.5 mg/m3	- g/m3	12.1°C
167	Anakao	Madagascar	6.6m	Moderate	1.5 mg/m3	7.4 g/m3	26.1°C
168	Punta de Mita	Mexico	6.5m	Moderate	1.5 mg/m3	1.0 g/m3	29.3°C
169	Peniche/Supertubos	Portugal	6.5m	Moderate	1.5 mg/m3	0.7 g/m3	15.3°C
170	Baleal	Portugal	6.5m	Moderate	1.5 mg/m3	0.7 g/m3	15.6°C
171	Restaurants (Namotu)	Fiji	6.4m	Moderate	1.5 mg/m3	- g/m3	28.2°C
172	Widemouth Bay	United Kingdom	6.4m	Moderate	1.5 mg/m3	- g/m3	12.2°C
173	Praia do Guincho	Portugal	6.4m	Moderate	1.5 mg/m3	1.3 g/m3	15.4°C
174	Máncora	Peru	6.3m	Moderate	1.6 mg/m3	0.6 g/m3	24.7°C
175	Playa Hermosa	Costa Rica	6.2m	Moderate	1.6 mg/m3	4.4 g/m3	30.1°C
176	Sennen Cove	United Kingdom	6.2m	Moderate	1.6 mg/m3	- g/m3	12.1°C
177	Scarborough	United Kingdom	6.2m	Moderate	1.6 mg/m3	6.0 g/m3	9.5°C
178	Cayton Bay	United Kingdom	6.2m	Moderate	1.6 mg/m3	6.0 g/m3	9.5°C
179	Reykjanes Peninsula	Iceland	6.1m	Moderate	1.7 mg/m3	0.7 g/m3	8.2°C
180	El Tunco	El Salvador	6.1m	Moderate	1.7 mg/m3	0.7 g/m3	30.8°C
181	El Sunzal	El Salvador	6.1m	Moderate	1.7 mg/m3	0.7 g/m3	30.8°C
182	Porthtowan	United Kingdom	6.1m	Moderate	1.7 mg/m3	- g/m3	12.3°C
183	Santa Cruz	Portugal	6.0m	Moderate	1.7 mg/m3	0.7 g/m3	15.3°C
184	Porthmeor	United Kingdom	6.0m	Moderate	1.7 mg/m3	- g/m3	12.2°C
185	New Smyrna Beach	United States	5.9m	Moderate	1.7 mg/m3	4.1 g/m3	26.3°C
186	Gwithian	United Kingdom	5.8m	Moderate	1.8 mg/m3	- g/m3	12.2°C
187	Taghazout	Morocco	5.6m	Moderate	1.9 mg/m3	3.3 g/m3	16.7°C
188	Anchor Point	Morocco	5.6m	Moderate	1.9 mg/m3	3.3 g/m3	16.7°C
189	Matosinhos	Portugal	5.6m	Moderate	1.9 mg/m3	0.8 g/m3	15.0°C
190	Mui Ne	Vietnam	5.5m	Moderate	1.9 mg/m3	4.3 g/m3	30.1°C
191	Torres	Brazil	5.5m	Moderate	1.9 mg/m3	- g/m3	17.8°C
192	Dover	United Kingdom	5.5m	Moderate	1.9 mg/m3	9.6 g/m3	12.7°C
193	Filey	United Kingdom	5.3m	Moderate	2.0 mg/m3	8.1 g/m3	9.8°C
194	Mount Maunganui	New Zealand	5.3m	Moderate	2.0 mg/m3	3.3 g/m3	17.1°C
195	Ichinomiya	Japan	5.3m	Moderate	2.0 mg/m3	0.8 g/m3	20.1°C
196	Durban Bay of Plenty	South Africa	5.2m	Moderate	2.1 mg/m3	2.0 g/m3	23.3°C
197	Baisha Bay	Taiwan	5.2m	Moderate	2.1 mg/m3	3.8 g/m3	24.4°C
198	Ubatuba	Brazil	5.2m	Moderate	2.1 mg/m3	- g/m3	24.1°C
199	Porthleven	United Kingdom	5.1m	Moderate	2.1 mg/m3	- g/m3	12.2°C
200	Eoropie	United Kingdom	5.1m	Moderate	2.1 mg/m3	0.7 g/m3	9.8°C
201	Praa Sands	United Kingdom	5.1m	Moderate	2.1 mg/m3	- g/m3	12.2°C
202	Troncones	Mexico	5.1m	Moderate	2.1 mg/m3	1.2 g/m3	29.6°C
203	Raglan	New Zealand	5.0m	Moderate	2.2 mg/m3	4.6 g/m3	16.3°C
204	Kimmeridge Bay	United Kingdom	5.0m	Moderate	2.2 mg/m3	- g/m3	12.6°C
205	Bournemouth	United Kingdom	4.9m	Moderate	2.2 mg/m3	- g/m3	12.7°C
206	Jeju Jungmun	South Korea	4.9m	Moderate	2.3 mg/m3	0.5 g/m3	19.3°C
207	Imsouane	Morocco	4.9m	Moderate	2.3 mg/m3	4.7 g/m3	15.9°C
208	Costa da Caparica	Portugal	4.9m	Moderate	2.3 mg/m3	1.0 g/m3	15.9°C
209	Leucate	France	4.9m	Moderate	2.3 mg/m3	2.4 g/m3	17.7°C
210	Piha	New Zealand	4.8m	Moderate	2.3 mg/m3	2.3 g/m3	17.0°C
211	Newgale	United Kingdom	4.8m	Moderate	2.3 mg/m3	- g/m3	11.5°C
212	Machrihanish	United Kingdom	4.8m	Moderate	2.3 mg/m3	2.9 g/m3	9.8°C
213	Miyazaki	Japan	4.8m	Moderate	2.4 mg/m3	1.7 g/m3	23.2°C
214	Dakar Yoff	Senegal	4.7m	Moderate	2.4 mg/m3	- g/m3	20.1°C
215	Inch Beach	Ireland	4.7m	Moderate	2.4 mg/m3	- g/m3	11.7°C
216	Lacanau	France	4.6m	Moderate	2.5 mg/m3	- g/m3	16.4°C
217	El Palmar	Spain	4.6m	Moderate	2.5 mg/m3	1.5 g/m3	17.3°C
218	Ngor/Ouakam	Senegal	4.5m	Moderate	2.6 mg/m3	- g/m3	19.8°C
219	Elands Bay	South Africa	4.4m	Moderate	2.6 mg/m3	3.4 g/m3	14.1°C
220	Saint-Leu	Réunion	4.4m	Moderate	2.7 mg/m3	0.3 g/m3	26.9°C
221	Whitesands Bay	United Kingdom	4.4m	Moderate	2.7 mg/m3	- g/m3	11.4°C
222	Jericoacoara	Brazil	4.3m	Moderate	2.7 mg/m3	8.1 g/m3	29.1°C
223	Carcavelos	Portugal	4.3m	Moderate	2.8 mg/m3	4.7 g/m3	15.8°C
224	Freshwater West	United Kingdom	4.2m	Moderate	2.8 mg/m3	- g/m3	11.8°C
225	Compton Bay	United Kingdom	4.1m	Moderate	2.9 mg/m3	- g/m3	13.0°C
226	Brighton	United Kingdom	4.0m	Moderate	3.0 mg/m3	3.7 g/m3	-
227	Joss Bay	United Kingdom	4.0m	Moderate	3.0 mg/m3	14.8 g/m3	13.0°C
228	Rincon	United States	3.9m	Moderate	3.1 mg/m3	3.3 g/m3	16.3°C
229	Muizenberg	South Africa	3.9m	Moderate	3.1 mg/m3	0.3 g/m3	16.4°C
230	Pavones	Costa Rica	3.9m	Moderate	3.1 mg/m3	1.7 g/m3	30.3°C
231	Essaouira	Morocco	3.8m	Moderate	3.2 mg/m3	6.1 g/m3	16.1°C
232	Portrush	United Kingdom	3.7m	Moderate	3.3 mg/m3	- g/m3	10.2°C
233	Mirleft	Morocco	3.6m	Moderate	3.5 mg/m3	1.1 g/m3	16.4°C
234	Praia da Pipa	Brazil	3.6m	Moderate	3.5 mg/m3	4.0 g/m3	28.2°C
235	Seaburn	United Kingdom	3.5m	Moderate	3.6 mg/m3	3.9 g/m3	9.8°C
236	Bamburgh	United Kingdom	3.5m	Moderate	3.6 mg/m3	3.4 g/m3	9.7°C
237	Sandycove	Ireland	3.5m	Moderate	3.6 mg/m3	- g/m3	11.6°C
238	Pacific City	United States	3.4m	Moderate	3.7 mg/m3	3.7 g/m3	11.6°C
239	Mavericks	United States	3.3m	Moderate	3.9 mg/m3	3.1 g/m3	11.3°C
240	Cannon Beach	United States	3.3m	Moderate	3.9 mg/m3	0.9 g/m3	12.8°C
241	Rockaway Beach	United States	3.3m	Moderate	3.9 mg/m3	4.7 g/m3	14.2°C
242	Outer Banks	United States	3.3m	Moderate	4.0 mg/m3	6.6 g/m3	21.7°C
243	Bloubergstrand	South Africa	3.3m	Moderate	4.0 mg/m3	0.4 g/m3	15.5°C
244	Huanchaco	Peru	3.3m	Moderate	4.0 mg/m3	2.2 g/m3	20.1°C
245	Croyde	United Kingdom	3.3m	Moderate	4.0 mg/m3	- g/m3	12.0°C
246	Saunton Sands	United Kingdom	3.3m	Moderate	4.0 mg/m3	- g/m3	12.0°C
247	Putsborough	United Kingdom	3.3m	Moderate	4.0 mg/m3	- g/m3	12.0°C
248	Chicama	Peru	3.2m	Moderate	4.1 mg/m3	3.1 g/m3	20.0°C
249	Woolacombe	United Kingdom	3.0m	Moderate	4.5 mg/m3	- g/m3	12.0°C
250	Lobitos	Peru	3.0m	Moderate	4.5 mg/m3	19.8 g/m3	23.1°C
251	Folly Beach	United States	3.0m	Reduced	4.6 mg/m3	5.7 g/m3	23.9°C
252	Rest Bay	United Kingdom	3.0m	Reduced	4.6 mg/m3	- g/m3	12.8°C
253	Tynemouth	United Kingdom	2.9m	Reduced	4.8 mg/m3	4.4 g/m3	9.6°C
254	Lagos	Portugal	2.8m	Reduced	5.0 mg/m3	1.0 g/m3	15.5°C
255	Bracklesham Bay	United Kingdom	2.8m	Reduced	5.1 mg/m3	- g/m3	13.6°C
256	Bolinas	United States	2.7m	Reduced	5.4 mg/m3	5.6 g/m3	11.8°C
257	Caswell Bay	United Kingdom	2.6m	Reduced	5.5 mg/m3	- g/m3	12.8°C
258	Langland Bay	United Kingdom	2.6m	Reduced	5.5 mg/m3	- g/m3	12.8°C
259	Tybee Island	United States	2.6m	Reduced	5.5 mg/m3	8.4 g/m3	24.0°C
260	Sidi Kaouki	Morocco	2.5m	Reduced	5.9 mg/m3	7.8 g/m3	15.9°C
261	Manorbier	United Kingdom	2.3m	Reduced	6.6 mg/m3	- g/m3	11.9°C
262	Gordon's Bay	South Africa	2.3m	Reduced	6.6 mg/m3	2.0 g/m3	15.9°C
263	Shonan	Japan	2.2m	Reduced	7.1 mg/m3	0.8 g/m3	20.2°C
264	Dakhla	Morocco	1.9m	Reduced	9.0 mg/m3	7.4 g/m3	18.1°C
265	Llangennith	United Kingdom	1.9m	Reduced	9.4 mg/m3	- g/m3	12.8°C
266	Ocean Beach SF	United States	1.8m	Reduced	10.0 mg/m3	6.2 g/m3	13.1°C
267	Santa Cruz	United States	1.4m	Reduced	23.8 mg/m3	2.7 g/m3	12.2°C

#10Fernando de Noronha

#30La Union (San Juan)

#62North Stradbroke Island

#70Gran Canaria/El Confital

#86Fuerteventura/Cotillo

#111Tsurigasaki Beach

#120San José del Cabo

#141Saltburn-by-the-Sea

#157Wrightsville Beach

#169Peniche/Supertubos

#171Restaurants (Namotu)

#179Reykjanes Peninsula

#196Durban Bay of Plenty

#208Costa da Caparica

Satellite ocean colour data from Copernicus Marine and NOAA CoastWatch. Data from 18 May 2026

Frequently asked questions

What is Secchi depth?

Secchi depth measures underwater visibility in metres. Higher numbers mean clearer water. Anything above 15m is considered excellent; below 3m is poor. Our primary source (Copernicus Marine) provides Secchi depth directly from merged multi-satellite observations. The fallback source (NOAA VIIRS) derives it from Kd490 using the Preisendorfer relationship.

Where does the data come from?

Two satellite sources, used in priority order. Primary: Copernicus Marine Service (EU), which blends multiple satellites into a gap-free L4 product covering Secchi depth, chlorophyll, and suspended particulate matter at 4km resolution. Fallback: NOAA CoastWatch VIIRS sensor aboard Suomi-NPP for spots where Copernicus has coastal land masking.

What does chlorophyll indicate?

Chlorophyll-a concentration (mg/m3) is a proxy for phytoplankton density. Low values typically mean clear, nutrient-poor water. Elevated levels above 5 mg/m3 may indicate an algal bloom, which can reduce visibility and occasionally cause irritation.

What is SPM / turbidity?

Suspended Particulate Matter (g/m3) measures particles floating in the water column (sediment, runoff, organic matter). Higher values mean murkier water. Values above 10 g/m3 usually indicate recent storm activity or river runoff.

What is SST?

Sea Surface Temperature in degrees Celsius from the Copernicus OSTIA satellite analysis. This blends observations from multiple satellites into a daily global product at 0.05 degree resolution, giving reliable coverage for all coastal spots.

How often is the data updated?

The data pipeline runs daily at 10:00 UTC. Copernicus L4 data typically lags by 1 to 2 days. NOAA VIIRS weekly composites update once per week. Both sources search a small area around each coastal point to find the nearest ocean pixel.

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