Satellite water quality data

Clearest 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	Saint-Leu	Réunion	34.3m	Crystal clear	0.1 mg/m3	0.2 g/m3	26.7°C
2	Sunset Beach	United States	33.8m	Crystal clear	0.1 mg/m3	0.2 g/m3	25.0°C
3	Pipeline	United States	33.4m	Crystal clear	0.1 mg/m3	0.3 g/m3	24.9°C
4	Waimea Bay	United States	33.4m	Crystal clear	0.1 mg/m3	0.3 g/m3	24.9°C
5	Jaws/Pe'ahi	United States	32.8m	Crystal clear	0.1 mg/m3	0.1 g/m3	24.8°C
6	Fernando de Noronha	Brazil	32.6m	Crystal clear	0.1 mg/m3	5.4 g/m3	28.9°C
7	Siargao/Cloud 9	Philippines	32.6m	Crystal clear	0.1 mg/m3	0.4 g/m3	30.1°C
8	Laniakea	United States	31.7m	Crystal clear	0.1 mg/m3	0.2 g/m3	25.1°C
9	Aganoa	Samoa	30.6m	Crystal clear	0.1 mg/m3	1.3 g/m3	29.8°C
10	Itacaré	Brazil	29.4m	Crystal clear	0.1 mg/m3	1.3 g/m3	27.7°C
11	Honolua Bay	United States	29.4m	Crystal clear	0.1 mg/m3	0.2 g/m3	25.4°C
12	Bull Bay	Jamaica	28.4m	Crystal clear	0.1 mg/m3	0.4 g/m3	28.6°C
13	Tamarin Bay	Mauritius	27.6m	Crystal clear	0.1 mg/m3	0.3 g/m3	26.8°C
14	Le Moule	Guadeloupe	27.6m	Crystal clear	0.1 mg/m3	0.3 g/m3	27.5°C
15	Baler	Philippines	27.6m	Crystal clear	0.1 mg/m3	0.5 g/m3	30.8°C
16	Vliho Bay	Greece	27.3m	Crystal clear	0.1 mg/m3	0.3 g/m3	19.7°C
17	Bathsheba	Barbados	26.5m	Crystal clear	0.1 mg/m3	0.4 g/m3	27.7°C
18	Rhodes	Greece	26.4m	Crystal clear	0.1 mg/m3	0.4 g/m3	20.2°C
19	El Quemao	Spain	26.1m	Crystal clear	0.1 mg/m3	- g/m3	19.5°C
20	Simeulue	Indonesia	25.7m	Crystal clear	0.1 mg/m3	0.4 g/m3	30.2°C
21	Lanzarote/Famara	Spain	25.4m	Crystal clear	0.1 mg/m3	0.4 g/m3	19.5°C
22	Maroubra	Australia	25.2m	Crystal clear	0.1 mg/m3	0.4 g/m3	20.7°C
23	Tenerife	Spain	24.2m	Crystal clear	0.2 mg/m3	0.4 g/m3	20.7°C
24	Oludeniz	Turkey	23.7m	Crystal clear	0.2 mg/m3	0.8 g/m3	20.9°C
25	La Santa	Spain	23.5m	Crystal clear	0.2 mg/m3	0.3 g/m3	19.5°C
26	Nias (Sorake)	Indonesia	23.4m	Crystal clear	0.2 mg/m3	0.2 g/m3	30.3°C
27	Taitung	Taiwan	23.0m	Crystal clear	0.2 mg/m3	0.4 g/m3	-
28	Nosara	Costa Rica	22.8m	Crystal clear	0.2 mg/m3	- g/m3	30.3°C
29	Rincón	Puerto Rico	22.7m	Crystal clear	0.2 mg/m3	- g/m3	28.2°C
30	El Confital	Spain	22.6m	Crystal clear	0.2 mg/m3	62.1 g/m3	20.3°C
31	Gran Canaria/El Confital	Spain	22.6m	Crystal clear	0.2 mg/m3	62.1 g/m3	20.3°C
32	Hookipa	United States	22.3m	Crystal clear	0.2 mg/m3	0.9 g/m3	24.9°C
33	Fuerteventura/Cotillo	Spain	22.2m	Crystal clear	0.2 mg/m3	0.4 g/m3	19.5°C
34	Pichilemu	Chile	22.1m	Crystal clear	0.2 mg/m3	0.2 g/m3	12.2°C
35	Merewether	Australia	21.8m	Crystal clear	0.2 mg/m3	0.9 g/m3	20.8°C
36	Lanuza	Philippines	21.8m	Crystal clear	0.2 mg/m3	0.7 g/m3	30.1°C
37	Mentawai Islands	Indonesia	21.6m	Crystal clear	0.2 mg/m3	0.6 g/m3	30.4°C
38	Kuta Lombok	Indonesia	21.5m	Crystal clear	0.2 mg/m3	0.3 g/m3	29.5°C
39	Desert Point	Indonesia	21.3m	Crystal clear	0.2 mg/m3	0.3 g/m3	29.5°C
40	Dee Why	Australia	20.8m	Crystal clear	0.2 mg/m3	0.3 g/m3	20.7°C
41	Tanegashima	Japan	20.8m	Crystal clear	0.2 mg/m3	0.3 g/m3	23.4°C
42	Narrabeen	Australia	20.6m	Crystal clear	0.2 mg/m3	0.3 g/m3	20.8°C
43	Krui	Indonesia	19.9m	Crystal clear	0.2 mg/m3	0.5 g/m3	30.2°C
44	Playa Grande	Costa Rica	19.8m	Crystal clear	0.2 mg/m3	0.5 g/m3	30.1°C
45	Teahupo'o	French Polynesia	19.6m	Crystal clear	0.2 mg/m3	0.5 g/m3	28.4°C
46	Trestles	United States	19.4m	Crystal clear	0.2 mg/m3	0.6 g/m3	19.7°C
47	Lennox Head	Australia	19.2m	Crystal clear	0.2 mg/m3	0.6 g/m3	23.3°C
48	Barra de la Cruz	Mexico	18.7m	Crystal clear	0.3 mg/m3	- g/m3	30.7°C
49	Cimaja	Indonesia	18.7m	Crystal clear	0.3 mg/m3	1.3 g/m3	29.8°C
50	Shipwreck Bay	New Zealand	18.2m	Crystal clear	0.3 mg/m3	- g/m3	17.7°C
51	Santa Teresa	Costa Rica	18.1m	Crystal clear	0.3 mg/m3	0.3 g/m3	30.3°C
52	Blacks Beach	United States	17.4m	Crystal clear	0.3 mg/m3	1.1 g/m3	20.6°C
53	Kommetjie	South Africa	16.9m	Crystal clear	0.3 mg/m3	0.5 g/m3	15.4°C
54	La Jolla Cove	United States	16.8m	Crystal clear	0.3 mg/m3	0.5 g/m3	20.6°C
55	Gracetown	Australia	16.5m	Crystal clear	0.3 mg/m3	0.3 g/m3	20.5°C
56	Avoca Beach	Australia	16.5m	Crystal clear	0.3 mg/m3	0.6 g/m3	20.4°C
57	Angourie	Australia	16.4m	Crystal clear	0.3 mg/m3	2.6 g/m3	22.8°C
58	Ponta Preta	Cape Verde	16.4m	Crystal clear	0.3 mg/m3	0.2 g/m3	22.7°C
59	Dungeons	South Africa	15.9m	Crystal clear	0.4 mg/m3	0.4 g/m3	15.3°C
60	Cabarete	Dominican Republic	15.6m	Crystal clear	0.4 mg/m3	0.5 g/m3	27.4°C
61	Pantín	Spain	14.8m	Good	0.4 mg/m3	- g/m3	15.7°C
62	Baisha Bay	Taiwan	14.5m	Good	0.4 mg/m3	- g/m3	26.5°C
63	Niijima	Japan	14.4m	Good	0.4 mg/m3	- g/m3	19.7°C
64	San José del Cabo	Mexico	14.4m	Good	0.4 mg/m3	0.4 g/m3	27.2°C
65	Kirra	Australia	14.1m	Good	0.4 mg/m3	1.8 g/m3	22.9°C
66	Keramas	Indonesia	14.0m	Good	0.4 mg/m3	0.2 g/m3	28.7°C
67	Santa Catalina	Panama	14.0m	Good	0.4 mg/m3	7.9 g/m3	30.1°C
68	Miyazaki	Japan	13.9m	Good	0.4 mg/m3	0.9 g/m3	22.6°C
69	Tarifa	Spain	13.6m	Good	0.5 mg/m3	0.2 g/m3	17.3°C
70	Mundaka	Spain	13.5m	Good	0.5 mg/m3	0.3 g/m3	17.7°C
71	San Sebastián	Spain	13.5m	Good	0.5 mg/m3	0.2 g/m3	18.0°C
72	Burleigh Heads	Australia	13.5m	Good	0.5 mg/m3	1.3 g/m3	23.0°C
73	Margaret River	Australia	13.4m	Good	0.5 mg/m3	0.6 g/m3	20.7°C
74	Tofo	Mozambique	13.2m	Good	0.5 mg/m3	0.4 g/m3	25.3°C
75	Snapper Rocks	Australia	13.1m	Good	0.5 mg/m3	3.4 g/m3	23.0°C
76	Zarautz	Spain	12.7m	Good	0.5 mg/m3	0.3 g/m3	18.3°C
77	Cloudbreak	Fiji	12.7m	Good	0.5 mg/m3	- g/m3	27.9°C
78	Hoddevik	Norway	12.7m	Good	0.5 mg/m3	- g/m3	8.4°C
79	Durban Bay of Plenty	South Africa	12.6m	Good	0.5 mg/m3	0.8 g/m3	22.9°C
80	Sebastian Inlet	United States	12.4m	Good	0.5 mg/m3	3.0 g/m3	28.1°C
81	El Gouna	Egypt	12.3m	Good	0.5 mg/m3	0.3 g/m3	24.7°C
82	Muizenberg	South Africa	12.3m	Good	0.5 mg/m3	0.7 g/m3	16.2°C
83	Huntington Beach	United States	12.3m	Good	0.6 mg/m3	1.0 g/m3	19.2°C
84	G-Land	Indonesia	12.1m	Good	0.6 mg/m3	0.4 g/m3	27.9°C
85	Lahinch	Ireland	12.0m	Good	0.6 mg/m3	- g/m3	12.0°C
86	Thulusdhoo	Maldives	12.0m	Good	0.6 mg/m3	0.6 g/m3	29.3°C
87	Dunnet Bay	United Kingdom	11.5m	Good	0.6 mg/m3	- g/m3	9.5°C
88	The Wedge	United States	11.5m	Good	0.6 mg/m3	0.6 g/m3	19.2°C
89	Brimms Ness	United Kingdom	11.4m	Good	0.6 mg/m3	- g/m3	9.5°C
90	Thurso East	United Kingdom	11.4m	Good	0.6 mg/m3	- g/m3	9.6°C
91	Leucate	France	11.3m	Good	0.6 mg/m3	4.0 g/m3	19.4°C
92	North Malé Atoll	Maldives	11.1m	Good	0.7 mg/m3	0.6 g/m3	29.2°C
93	Restaurants (Namotu)	Fiji	11.1m	Good	0.7 mg/m3	- g/m3	27.9°C
94	Jericoacoara	Brazil	11.0m	Good	0.7 mg/m3	7.4 g/m3	28.9°C
95	Kovalam	India	10.9m	Good	0.7 mg/m3	1.6 g/m3	28.5°C
96	Izu Peninsula	Japan	10.8m	Good	0.7 mg/m3	- g/m3	19.4°C
97	Razo	Spain	10.7m	Good	0.7 mg/m3	- g/m3	15.8°C
98	Deba	Spain	10.6m	Good	0.7 mg/m3	0.3 g/m3	18.0°C
99	Eoropie	United Kingdom	10.5m	Good	0.7 mg/m3	- g/m3	10.0°C
100	Bells Beach	Australia	10.5m	Good	0.7 mg/m3	0.7 g/m3	16.0°C
101	El Sunzal	El Salvador	10.4m	Good	0.7 mg/m3	46.1 g/m3	30.9°C
102	El Tunco	El Salvador	10.4m	Good	0.7 mg/m3	46.1 g/m3	30.9°C
103	Varkala	India	10.4m	Good	0.7 mg/m3	- g/m3	28.7°C
104	Somo	Spain	10.1m	Good	0.8 mg/m3	0.3 g/m3	17.3°C
105	Jeju Jungmun	South Korea	10.0m	Good	0.8 mg/m3	1.3 g/m3	19.5°C
106	Troncones	Mexico	9.8m	Good	0.8 mg/m3	0.8 g/m3	29.9°C
107	Jeffreys Bay	South Africa	9.8m	Good	0.8 mg/m3	0.7 g/m3	19.9°C
108	Easkey	Ireland	9.7m	Good	0.8 mg/m3	- g/m3	12.3°C
109	Fraserburgh	United Kingdom	9.5m	Good	0.8 mg/m3	- g/m3	9.8°C
110	Cocoa Beach	United States	9.1m	Good	0.9 mg/m3	3.9 g/m3	28.2°C
111	Boracay	Philippines	9.0m	Good	0.9 mg/m3	0.5 g/m3	29.8°C
112	Tiree	United Kingdom	9.0m	Good	0.9 mg/m3	- g/m3	10.6°C
113	Raglan	New Zealand	9.0m	Good	0.9 mg/m3	3.3 g/m3	16.1°C
114	Scarborough Beach	Australia	8.9m	Good	0.9 mg/m3	1.1 g/m3	20.1°C
115	Padang Padang	Indonesia	8.8m	Good	0.9 mg/m3	0.7 g/m3	28.1°C
116	Bingin	Indonesia	8.8m	Good	0.9 mg/m3	0.7 g/m3	27.9°C
117	Balangan	Indonesia	8.8m	Good	1.0 mg/m3	0.3 g/m3	28.1°C
118	Canggu	Indonesia	8.8m	Good	1.0 mg/m3	0.5 g/m3	28.3°C
119	Sennen Cove	United Kingdom	8.6m	Good	1.0 mg/m3	- g/m3	12.6°C
120	Gordon's Bay	South Africa	8.5m	Good	1.0 mg/m3	0.7 g/m3	15.9°C
121	Uluwatu	Indonesia	8.5m	Good	1.0 mg/m3	0.9 g/m3	28.1°C
122	Praa Sands	United Kingdom	8.4m	Good	1.0 mg/m3	- g/m3	12.9°C
123	Tsurigasaki Beach	Japan	8.4m	Good	1.0 mg/m3	- g/m3	18.9°C
124	Torquay	Australia	8.4m	Good	1.0 mg/m3	0.6 g/m3	15.9°C
125	Bloubergstrand	South Africa	8.3m	Good	1.0 mg/m3	0.4 g/m3	15.3°C
126	Arugam Bay	Sri Lanka	8.3m	Good	1.0 mg/m3	- g/m3	30.1°C
127	Porthleven	United Kingdom	8.3m	Good	1.0 mg/m3	- g/m3	13.0°C
128	Perranporth	United Kingdom	8.1m	Good	1.1 mg/m3	- g/m3	12.9°C
129	Sagres	Portugal	8.0m	Good	1.1 mg/m3	6.4 g/m3	16.8°C
130	Crantock	United Kingdom	8.0m	Moderate	1.1 mg/m3	- g/m3	12.9°C
131	Pavones	Costa Rica	7.9m	Moderate	1.1 mg/m3	- g/m3	29.9°C
132	Maresias	Brazil	7.9m	Moderate	1.1 mg/m3	- g/m3	23.4°C
133	Chapel Porth	United Kingdom	7.8m	Moderate	1.1 mg/m3	- g/m3	12.9°C
134	Salinas	Spain	7.8m	Moderate	1.1 mg/m3	- g/m3	16.4°C
135	Porthmeor	United Kingdom	7.7m	Moderate	1.2 mg/m3	- g/m3	12.5°C
136	Playa Hermosa	Costa Rica	7.7m	Moderate	1.2 mg/m3	0.2 g/m3	29.8°C
137	Polzeath	United Kingdom	7.7m	Moderate	1.2 mg/m3	- g/m3	13.0°C
138	Wrightsville Beach	United States	7.6m	Moderate	1.2 mg/m3	0.9 g/m3	23.6°C
139	Porthtowan	United Kingdom	7.6m	Moderate	1.2 mg/m3	- g/m3	12.9°C
140	Lusty Glaze	United Kingdom	7.6m	Moderate	1.2 mg/m3	- g/m3	12.9°C
141	Newquay/Fistral	United Kingdom	7.6m	Moderate	1.2 mg/m3	- g/m3	12.9°C
142	Watergate Bay	United Kingdom	7.6m	Moderate	1.2 mg/m3	- g/m3	12.9°C
143	North Stradbroke Island	Australia	7.6m	Moderate	1.2 mg/m3	1.3 g/m3	23.2°C
144	Harlyn Bay	United Kingdom	7.6m	Moderate	1.2 mg/m3	- g/m3	13.0°C
145	Constantine Bay	United Kingdom	7.6m	Moderate	1.2 mg/m3	- g/m3	13.0°C
146	Elands Bay	South Africa	7.5m	Moderate	1.2 mg/m3	0.6 g/m3	14.7°C
147	Piha	New Zealand	7.5m	Moderate	1.2 mg/m3	3.5 g/m3	16.6°C
148	Strandhill	Ireland	7.4m	Moderate	1.2 mg/m3	- g/m3	12.4°C
149	Arrifana	Portugal	7.4m	Moderate	1.2 mg/m3	0.7 g/m3	16.4°C
150	Widemouth Bay	United Kingdom	7.4m	Moderate	1.2 mg/m3	95.8 g/m3	12.8°C
151	Lacanau	France	7.3m	Moderate	1.3 mg/m3	0.8 g/m3	19.3°C
152	Mount Maunganui	New Zealand	7.3m	Moderate	1.3 mg/m3	2.2 g/m3	16.8°C
153	Bude Summerleaze	United Kingdom	7.3m	Moderate	1.3 mg/m3	95.8 g/m3	12.7°C
154	Praia do Amado	Portugal	7.3m	Moderate	1.3 mg/m3	0.7 g/m3	16.6°C
155	Gwithian	United Kingdom	7.2m	Moderate	1.3 mg/m3	- g/m3	12.7°C
156	Sayulita	Mexico	7.2m	Moderate	1.3 mg/m3	0.5 g/m3	29.6°C
157	Bantham	United Kingdom	7.1m	Moderate	1.3 mg/m3	0.6 g/m3	13.5°C
158	Saquarema	Brazil	7.1m	Moderate	1.3 mg/m3	1.0 g/m3	23.8°C
159	Bigbury-on-Sea	United Kingdom	7.0m	Moderate	1.3 mg/m3	0.6 g/m3	13.5°C
160	Noosa	Australia	7.0m	Moderate	1.3 mg/m3	1.5 g/m3	22.6°C
161	Guéthary	France	7.0m	Moderate	1.4 mg/m3	0.7 g/m3	18.9°C
162	Tramore	Ireland	7.0m	Moderate	1.4 mg/m3	- g/m3	12.3°C
163	Puerto Escondido	Mexico	6.9m	Moderate	1.4 mg/m3	2.3 g/m3	30.7°C
164	Nihiwatu	Indonesia	6.8m	Moderate	1.4 mg/m3	1.4 g/m3	28.1°C
165	Rincon	United States	6.8m	Moderate	1.4 mg/m3	0.5 g/m3	17.1°C
166	El Palmar	Spain	6.6m	Moderate	1.5 mg/m3	0.7 g/m3	18.2°C
167	Anakao	Madagascar	6.5m	Moderate	1.5 mg/m3	4.6 g/m3	24.7°C
168	Cayton Bay	United Kingdom	6.3m	Moderate	1.6 mg/m3	21.4 g/m3	10.5°C
169	Scarborough	United Kingdom	6.3m	Moderate	1.6 mg/m3	21.4 g/m3	10.5°C
170	Medewi	Indonesia	6.0m	Moderate	1.7 mg/m3	0.8 g/m3	28.3°C
171	Bamburgh	United Kingdom	6.0m	Moderate	1.7 mg/m3	1.0 g/m3	10.4°C
172	Biarritz	France	5.9m	Moderate	1.7 mg/m3	1.7 g/m3	19.0°C
173	Weligama	Sri Lanka	5.8m	Moderate	1.8 mg/m3	- g/m3	28.3°C
174	Punta de Mita	Mexico	5.8m	Moderate	1.8 mg/m3	0.8 g/m3	29.6°C
175	Mullaghmore Head	Ireland	5.8m	Moderate	1.8 mg/m3	- g/m3	12.3°C
176	Tynemouth	United Kingdom	5.7m	Moderate	1.8 mg/m3	1.5 g/m3	10.8°C
177	Sandsend	United Kingdom	5.6m	Moderate	1.8 mg/m3	0.5 g/m3	10.9°C
178	Runswick Bay	United Kingdom	5.6m	Moderate	1.8 mg/m3	0.5 g/m3	11.1°C
179	Bundoran	Ireland	5.6m	Moderate	1.9 mg/m3	- g/m3	12.3°C
180	Hiriketiya	Sri Lanka	5.5m	Moderate	1.9 mg/m3	- g/m3	28.4°C
181	Inch Beach	Ireland	5.5m	Moderate	1.9 mg/m3	- g/m3	12.8°C
182	Pascuales	Mexico	5.4m	Moderate	1.9 mg/m3	0.8 g/m3	29.7°C
183	Unstad	Norway	5.4m	Moderate	2.0 mg/m3	0.4 g/m3	8.1°C
184	Freshwater West	United Kingdom	5.2m	Moderate	2.1 mg/m3	- g/m3	11.7°C
185	Whitesands Bay	United Kingdom	5.2m	Moderate	2.1 mg/m3	- g/m3	11.4°C
186	Saltburn-by-the-Sea	United Kingdom	5.2m	Moderate	2.1 mg/m3	1.3 g/m3	11.1°C
187	Getxo	Spain	5.1m	Moderate	2.1 mg/m3	0.5 g/m3	17.7°C
188	Popoyo	Nicaragua	5.1m	Moderate	2.1 mg/m3	0.7 g/m3	28.5°C
189	Shonan	Japan	5.1m	Moderate	2.2 mg/m3	- g/m3	19.8°C
190	Montañita	Ecuador	5.1m	Moderate	2.2 mg/m3	0.6 g/m3	26.9°C
191	New Smyrna Beach	United States	5.0m	Moderate	2.2 mg/m3	4.0 g/m3	26.6°C
192	Phillip Island	Australia	5.0m	Moderate	2.2 mg/m3	1.6 g/m3	16.1°C
193	Newgale	United Kingdom	5.0m	Moderate	2.2 mg/m3	- g/m3	11.9°C
194	Ichinomiya	Japan	5.0m	Moderate	2.2 mg/m3	- g/m3	18.7°C
195	Bocas del Toro	Panama	4.9m	Moderate	2.2 mg/m3	- g/m3	29.2°C
196	La Torche	France	4.9m	Moderate	2.2 mg/m3	0.7 g/m3	15.8°C
197	Sandycove	Ireland	4.9m	Moderate	2.2 mg/m3	- g/m3	12.4°C
198	Ubatuba	Brazil	4.8m	Moderate	2.3 mg/m3	- g/m3	23.5°C
199	Seaburn	United Kingdom	4.8m	Moderate	2.3 mg/m3	1.5 g/m3	10.9°C
200	Florianópolis	Brazil	4.8m	Moderate	2.3 mg/m3	3.8 g/m3	19.0°C
201	Sopelana	Spain	4.7m	Moderate	2.4 mg/m3	0.5 g/m3	17.8°C
202	Kimmeridge Bay	United Kingdom	4.6m	Moderate	2.5 mg/m3	1.4 g/m3	13.6°C
203	La Union (San Juan)	Philippines	4.5m	Moderate	2.6 mg/m3	15.1 g/m3	30.5°C
204	Anglet	France	4.5m	Moderate	2.6 mg/m3	5.4 g/m3	19.0°C
205	Pacific City	United States	4.4m	Moderate	2.6 mg/m3	1.7 g/m3	10.6°C
206	Putsborough	United Kingdom	4.4m	Moderate	2.6 mg/m3	24.2 g/m3	12.2°C
207	Croyde	United Kingdom	4.4m	Moderate	2.6 mg/m3	24.2 g/m3	12.3°C
208	Saunton Sands	United Kingdom	4.4m	Moderate	2.6 mg/m3	24.2 g/m3	12.3°C
209	Garopaba	Brazil	4.2m	Moderate	2.8 mg/m3	0.4 g/m3	18.8°C
210	Imsouane	Morocco	4.2m	Moderate	2.8 mg/m3	2.3 g/m3	17.5°C
211	Les Cavaliers	France	4.2m	Moderate	2.8 mg/m3	1.4 g/m3	19.3°C
212	Seignosse	France	4.2m	Moderate	2.8 mg/m3	1.4 g/m3	19.2°C
213	Woolacombe	United Kingdom	4.2m	Moderate	2.8 mg/m3	4.5 g/m3	12.2°C
214	Mui Ne	Vietnam	4.1m	Moderate	2.9 mg/m3	3.9 g/m3	30.5°C
215	Baleal	Portugal	4.0m	Moderate	3.0 mg/m3	- g/m3	16.4°C
216	Peniche/Supertubos	Portugal	4.0m	Moderate	3.0 mg/m3	- g/m3	16.1°C
217	Praia da Pipa	Brazil	3.9m	Moderate	3.1 mg/m3	2.5 g/m3	28.1°C
218	Manorbier	United Kingdom	3.8m	Moderate	3.2 mg/m3	- g/m3	12.3°C
219	Rockaway Beach	United States	3.8m	Moderate	3.2 mg/m3	2.5 g/m3	13.3°C
220	Hossegor	France	3.8m	Moderate	3.3 mg/m3	1.6 g/m3	19.2°C
221	Capbreton	France	3.8m	Moderate	3.3 mg/m3	1.6 g/m3	19.3°C
222	La Gravière	France	3.8m	Moderate	3.3 mg/m3	1.6 g/m3	19.2°C
223	Bournemouth	United Kingdom	3.7m	Moderate	3.3 mg/m3	7.4 g/m3	14.4°C
224	Dakhla	Morocco	3.7m	Moderate	3.4 mg/m3	0.6 g/m3	18.3°C
225	Filey	United Kingdom	3.7m	Moderate	3.4 mg/m3	2.7 g/m3	10.6°C
226	Folly Beach	United States	3.6m	Moderate	3.5 mg/m3	7.1 g/m3	25.3°C
227	Brighton	United Kingdom	3.6m	Moderate	3.5 mg/m3	5.7 g/m3	-
228	Reykjanes Peninsula	Iceland	3.6m	Moderate	3.5 mg/m3	- g/m3	8.4°C
229	Praia do Guincho	Portugal	3.6m	Moderate	3.5 mg/m3	- g/m3	15.7°C
230	Santa Cruz	Portugal	3.6m	Moderate	3.5 mg/m3	- g/m3	15.9°C
231	Machrihanish	United Kingdom	3.5m	Moderate	3.6 mg/m3	- g/m3	10.4°C
232	Máncora	Peru	3.5m	Moderate	3.6 mg/m3	2.5 g/m3	24.7°C
233	Torres	Brazil	3.5m	Moderate	3.7 mg/m3	12.6 g/m3	17.1°C
234	Dover	United Kingdom	3.5m	Moderate	3.7 mg/m3	5.2 g/m3	13.1°C
235	Portrush	United Kingdom	3.4m	Moderate	3.7 mg/m3	- g/m3	10.6°C
236	Costa da Caparica	Portugal	3.4m	Moderate	3.8 mg/m3	- g/m3	17.1°C
237	Sidi Kaouki	Morocco	3.4m	Moderate	3.8 mg/m3	- g/m3	17.2°C
238	Nazaré	Portugal	3.4m	Moderate	3.8 mg/m3	- g/m3	16.1°C
239	Lagos	Portugal	3.3m	Moderate	4.0 mg/m3	1.1 g/m3	17.0°C
240	Caswell Bay	United Kingdom	3.2m	Moderate	4.1 mg/m3	5.7 g/m3	13.4°C
241	Langland Bay	United Kingdom	3.2m	Moderate	4.1 mg/m3	5.7 g/m3	13.4°C
242	Mirleft	Morocco	3.2m	Moderate	4.2 mg/m3	- g/m3	18.3°C
243	Carcavelos	Portugal	3.1m	Moderate	4.3 mg/m3	- g/m3	16.5°C
244	Rest Bay	United Kingdom	3.0m	Moderate	4.5 mg/m3	100.0 g/m3	13.1°C
245	Ericeira	Portugal	2.9m	Reduced	4.7 mg/m3	- g/m3	15.6°C
246	Ribeira d'Ilhas	Portugal	2.9m	Reduced	4.7 mg/m3	- g/m3	15.6°C
247	Mavericks	United States	2.9m	Reduced	4.8 mg/m3	1.6 g/m3	12.8°C
248	Llangennith	United Kingdom	2.8m	Reduced	4.9 mg/m3	3.3 g/m3	13.4°C
249	Compton Bay	United Kingdom	2.8m	Reduced	5.0 mg/m3	7.0 g/m3	14.3°C
250	Anchor Point	Morocco	2.7m	Reduced	5.2 mg/m3	2.4 g/m3	18.6°C
251	Taghazout	Morocco	2.7m	Reduced	5.2 mg/m3	2.4 g/m3	18.6°C
252	Tybee Island	United States	2.5m	Reduced	6.0 mg/m3	7.5 g/m3	25.3°C
253	Bracklesham Bay	United Kingdom	2.4m	Reduced	6.2 mg/m3	3.2 g/m3	14.5°C
254	Joss Bay	United Kingdom	2.2m	Reduced	7.0 mg/m3	5.8 g/m3	13.9°C
255	Ngor/Ouakam	Senegal	2.2m	Reduced	7.2 mg/m3	- g/m3	20.7°C
256	Santa Cruz	United States	2.2m	Reduced	7.2 mg/m3	- g/m3	12.2°C
257	Lobitos	Peru	2.2m	Reduced	7.2 mg/m3	3.7 g/m3	23.0°C
258	Cannon Beach	United States	2.0m	Reduced	8.1 mg/m3	1.1 g/m3	12.2°C
259	Dakar Yoff	Senegal	2.0m	Reduced	8.3 mg/m3	- g/m3	20.3°C
260	Bolinas	United States	2.0m	Reduced	8.4 mg/m3	- g/m3	12.3°C
261	Ocean Beach SF	United States	2.0m	Reduced	8.4 mg/m3	7.0 g/m3	12.4°C
262	Matosinhos	Portugal	2.0m	Reduced	8.5 mg/m3	- g/m3	15.9°C
263	Outer Banks	United States	1.9m	Reduced	9.1 mg/m3	- g/m3	24.0°C
264	Essaouira	Morocco	1.9m	Reduced	9.3 mg/m3	3.9 g/m3	17.7°C
265	Lakey Peak	Indonesia	1.7m	Reduced	12.1 mg/m3	23.7 g/m3	29.6°C
266	Huanchaco	Peru	1.5m	Reduced	15.3 mg/m3	3.1 g/m3	20.1°C
267	Chicama	Peru	1.4m	Reduced	27.8 mg/m3	3.3 g/m3	20.2°C

#6Fernando de Noronha

#31Gran Canaria/El Confital

#33Fuerteventura/Cotillo

#79Durban Bay of Plenty

#93Restaurants (Namotu)

#114Scarborough Beach

#123Tsurigasaki Beach

#138Wrightsville Beach

#143North Stradbroke Island

#186Saltburn-by-the-Sea

#203La Union (San Juan)

#216Peniche/Supertubos

#228Reykjanes Peninsula

#236Costa da Caparica

Satellite ocean colour data from Copernicus Marine and NOAA CoastWatch. Data from 22 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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