Satellite water quality data

Cleanest beaches and surf spots

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

266 spots

#	Location	Country	Visibility ↓	Rating	Chlorophyll	Turbidity	SST
1	Vliho Bay	Greece	77.3m	Crystal clear	- mg/m3	- g/m3	-
2	Sunset Beach	United States	75.6m	Crystal clear	- mg/m3	- g/m3	-
3	Saint-Leu	Réunion	72.3m	Crystal clear	0.3 mg/m3	- g/m3	-
4	Laniakea	United States	70.8m	Crystal clear	- mg/m3	- g/m3	-
5	El Quemao	Spain	56.0m	Crystal clear	0.2 mg/m3	- g/m3	-
6	Honolua Bay	United States	51.5m	Crystal clear	0.1 mg/m3	- g/m3	-
7	La Union (San Juan)	Philippines	46.2m	Crystal clear	0.2 mg/m3	- g/m3	-
8	Mentawai Islands	Indonesia	46.2m	Crystal clear	- mg/m3	- g/m3	-
9	Waimea Bay	United States	39.0m	Crystal clear	- mg/m3	- g/m3	-
10	Pipeline	United States	39.0m	Crystal clear	- mg/m3	- g/m3	-
11	Krui	Indonesia	38.9m	Crystal clear	0.2 mg/m3	- g/m3	-
12	Tenerife	Spain	38.6m	Crystal clear	0.1 mg/m3	- g/m3	-
13	Gran Canaria/El Confital	Spain	38.4m	Crystal clear	0.2 mg/m3	- g/m3	-
14	Fernando de Noronha	Brazil	37.5m	Crystal clear	0.2 mg/m3	- g/m3	-
15	Bathsheba	Barbados	37.5m	Crystal clear	0.3 mg/m3	- g/m3	-
16	Perranporth	United Kingdom	33.4m	Crystal clear	1.3 mg/m3	- g/m3	-
17	Shipwreck Bay	New Zealand	32.3m	Crystal clear	0.3 mg/m3	- g/m3	-
18	Bundoran	Ireland	32.1m	Crystal clear	4.4 mg/m3	- g/m3	-
19	Chapel Porth	United Kingdom	31.4m	Crystal clear	0.8 mg/m3	- g/m3	-
20	Porthtowan	United Kingdom	31.4m	Crystal clear	1.3 mg/m3	- g/m3	-
21	Brimms Ness	United Kingdom	29.3m	Crystal clear	2.0 mg/m3	- g/m3	-
22	Sopelana	Spain	29.3m	Crystal clear	- mg/m3	- g/m3	-
23	Polzeath	United Kingdom	28.0m	Crystal clear	0.3 mg/m3	- g/m3	-
24	Lusty Glaze	United Kingdom	27.9m	Crystal clear	0.5 mg/m3	- g/m3	-
25	Newquay/Fistral	United Kingdom	27.9m	Crystal clear	0.5 mg/m3	- g/m3	-
26	Crantock	United Kingdom	27.9m	Crystal clear	0.5 mg/m3	- g/m3	-
27	Watergate Bay	United Kingdom	27.9m	Crystal clear	0.5 mg/m3	- g/m3	-
28	Lanuza	Philippines	25.5m	Crystal clear	- mg/m3	- g/m3	-
29	Hiriketiya	Sri Lanka	24.6m	Crystal clear	0.4 mg/m3	- g/m3	-
30	Simeulue	Indonesia	24.3m	Crystal clear	0.4 mg/m3	- g/m3	-
31	Niijima	Japan	23.3m	Crystal clear	0.5 mg/m3	- g/m3	-
32	Tanegashima	Japan	22.8m	Crystal clear	0.5 mg/m3	- g/m3	-
33	El Confital	Spain	22.8m	Crystal clear	0.2 mg/m3	- g/m3	-
34	Porthmeor	United Kingdom	22.5m	Crystal clear	1.6 mg/m3	- g/m3	-
35	Mullaghmore Head	Ireland	22.0m	Crystal clear	3.6 mg/m3	- g/m3	-
36	Harlyn Bay	United Kingdom	21.0m	Crystal clear	0.3 mg/m3	- g/m3	-
37	Constantine Bay	United Kingdom	21.0m	Crystal clear	0.4 mg/m3	- g/m3	-
38	Bells Beach	Australia	20.5m	Crystal clear	0.8 mg/m3	- g/m3	-
39	Ponta Preta	Cape Verde	20.2m	Crystal clear	- mg/m3	- g/m3	-
40	Tofo	Mozambique	20.2m	Crystal clear	0.5 mg/m3	- g/m3	-
41	Tamarin Bay	Mauritius	19.9m	Crystal clear	2.1 mg/m3	- g/m3	-
42	Siargao/Cloud 9	Philippines	19.9m	Crystal clear	- mg/m3	- g/m3	-
43	Gwithian	United Kingdom	19.5m	Crystal clear	0.9 mg/m3	- g/m3	-
44	La Santa	Spain	19.1m	Crystal clear	0.5 mg/m3	- g/m3	-
45	Eoropie	United Kingdom	18.8m	Crystal clear	- mg/m3	- g/m3	-
46	Nihiwatu	Indonesia	18.6m	Crystal clear	0.3 mg/m3	- g/m3	-
47	Sennen Cove	United Kingdom	18.0m	Crystal clear	1.0 mg/m3	- g/m3	-
48	Phillip Island	Australia	17.6m	Crystal clear	0.9 mg/m3	- g/m3	12.3°C
49	Praa Sands	United Kingdom	17.5m	Crystal clear	1.0 mg/m3	- g/m3	-
50	Fuerteventura/Cotillo	Spain	17.4m	Crystal clear	0.7 mg/m3	- g/m3	19.6°C
51	Somo	Spain	17.3m	Crystal clear	- mg/m3	- g/m3	-
52	Kovalam	India	17.1m	Crystal clear	- mg/m3	- g/m3	-
53	Easkey	Ireland	16.8m	Crystal clear	1.9 mg/m3	- g/m3	-
54	Bude Summerleaze	United Kingdom	16.5m	Crystal clear	- mg/m3	- g/m3	-
55	Widemouth Bay	United Kingdom	16.5m	Crystal clear	- mg/m3	- g/m3	-
56	Pavones	Costa Rica	16.5m	Crystal clear	0.7 mg/m3	- g/m3	-
57	Tiree	United Kingdom	16.3m	Crystal clear	8.7 mg/m3	- g/m3	-
58	Gracetown	Australia	15.7m	Crystal clear	1.1 mg/m3	- g/m3	-
59	Nias (Sorake)	Indonesia	15.6m	Crystal clear	0.8 mg/m3	- g/m3	-
60	North Stradbroke Island	Australia	15.4m	Crystal clear	0.7 mg/m3	- g/m3	-
61	Montañita	Ecuador	14.5m	Good	0.6 mg/m3	- g/m3	-
62	Kommetjie	South Africa	14.2m	Good	0.8 mg/m3	- g/m3	-
63	Puerto Escondido	Mexico	13.9m	Good	1.0 mg/m3	- g/m3	-
64	Tarifa	Spain	13.9m	Good	- mg/m3	- g/m3	-
65	Izu Peninsula	Japan	13.4m	Good	1.0 mg/m3	- g/m3	-
66	Brighton	United Kingdom	13.4m	Good	2.0 mg/m3	- g/m3	-
67	Bull Bay	Jamaica	13.2m	Good	0.7 mg/m3	- g/m3	-
68	Lagos	Portugal	13.1m	Good	1.0 mg/m3	- g/m3	-
69	Lennox Head	Australia	12.6m	Good	- mg/m3	- g/m3	-
70	Troncones	Mexico	12.4m	Good	0.6 mg/m3	- g/m3	-
71	El Palmar	Spain	12.3m	Good	- mg/m3	- g/m3	-
72	Torquay	Australia	12.1m	Good	1.1 mg/m3	- g/m3	12.0°C
73	Shonan	Japan	12.1m	Good	1.2 mg/m3	- g/m3	-
74	Restaurants (Namotu)	Fiji	12.0m	Good	1.7 mg/m3	- g/m3	-
75	Scarborough Beach	Australia	11.9m	Good	0.8 mg/m3	- g/m3	-
76	Tramore	Ireland	11.9m	Good	- mg/m3	- g/m3	-
77	Sandycove	Ireland	11.8m	Good	2.5 mg/m3	- g/m3	-
78	Porthleven	United Kingdom	11.7m	Good	2.4 mg/m3	- g/m3	-
79	Bamburgh	United Kingdom	11.7m	Good	3.1 mg/m3	- g/m3	-
80	Barra de la Cruz	Mexico	11.3m	Good	2.8 mg/m3	- g/m3	-
81	Playa Hermosa	Costa Rica	11.1m	Good	1.4 mg/m3	- g/m3	-
82	Razo	Spain	11.0m	Good	0.7 mg/m3	- g/m3	-
83	Ribeira d'Ilhas	Portugal	10.9m	Good	1.1 mg/m3	- g/m3	-
84	Ericeira	Portugal	10.9m	Good	1.1 mg/m3	- g/m3	-
85	San Sebastián	Spain	10.4m	Good	1.6 mg/m3	- g/m3	-
86	Compton Bay	United Kingdom	10.4m	Good	11.7 mg/m3	- g/m3	-
87	Sagres	Portugal	10.3m	Good	1.1 mg/m3	- g/m3	-
88	Deba	Spain	10.1m	Good	1.7 mg/m3	- g/m3	-
89	Praia do Amado	Portugal	10.1m	Good	0.9 mg/m3	- g/m3	-
90	Margaret River	Australia	10.1m	Good	1.4 mg/m3	- g/m3	-
91	Bigbury-on-Sea	United Kingdom	10.1m	Good	0.7 mg/m3	- g/m3	-
92	Bantham	United Kingdom	10.1m	Good	0.7 mg/m3	- g/m3	-
93	Santa Cruz	Portugal	10.1m	Good	2.1 mg/m3	- g/m3	-
94	Angourie	Australia	10.1m	Good	- mg/m3	- g/m3	-
95	Zarautz	Spain	10.0m	Good	1.7 mg/m3	- g/m3	-
96	Hoddevik	Norway	10.0m	Good	1.7 mg/m3	- g/m3	-
97	Newgale	United Kingdom	10.0m	Good	- mg/m3	- g/m3	-
98	Arrifana	Portugal	9.9m	Good	0.6 mg/m3	- g/m3	-
99	Mundaka	Spain	9.8m	Good	1.5 mg/m3	- g/m3	-
100	Fraserburgh	United Kingdom	9.7m	Good	2.8 mg/m3	- g/m3	-
101	Burleigh Heads	Australia	9.6m	Good	1.8 mg/m3	- g/m3	-
102	Santa Teresa	Costa Rica	9.6m	Good	1.8 mg/m3	- g/m3	-
103	Whitesands Bay	United Kingdom	9.5m	Good	1.4 mg/m3	- g/m3	-
104	Teahupo'o	French Polynesia	9.2m	Good	1.1 mg/m3	- g/m3	-
105	Snapper Rocks	Australia	9.1m	Good	1.6 mg/m3	- g/m3	-
106	Kirra	Australia	9.1m	Good	1.6 mg/m3	- g/m3	-
107	Raglan	New Zealand	9.1m	Good	- mg/m3	- g/m3	-
108	Machrihanish	United Kingdom	9.1m	Good	- mg/m3	- g/m3	-
109	Guéthary	France	8.9m	Good	2.1 mg/m3	- g/m3	-
110	Noosa	Australia	8.9m	Good	2.1 mg/m3	- g/m3	-
111	Costa da Caparica	Portugal	8.8m	Good	2.8 mg/m3	- g/m3	-
112	Mount Maunganui	New Zealand	8.5m	Good	3.2 mg/m3	- g/m3	-
113	Praia da Pipa	Brazil	8.4m	Good	2.2 mg/m3	- g/m3	-
114	Baleal	Portugal	8.4m	Good	2.9 mg/m3	- g/m3	-
115	Peniche/Supertubos	Portugal	8.4m	Good	2.9 mg/m3	- g/m3	-
116	Nazaré	Portugal	8.4m	Good	1.7 mg/m3	- g/m3	-
117	Bocas del Toro	Panama	8.3m	Good	2.5 mg/m3	- g/m3	-
118	Kimmeridge Bay	United Kingdom	8.2m	Good	1.1 mg/m3	- g/m3	11.9°C
119	Matosinhos	Portugal	8.2m	Good	3.1 mg/m3	- g/m3	-
120	Portrush	United Kingdom	8.1m	Good	0.6 mg/m3	- g/m3	-
121	Pacific City	United States	8.1m	Good	2.0 mg/m3	- g/m3	-
122	Dakhla	Morocco	8.0m	Moderate	2.6 mg/m3	- g/m3	18.9°C
123	Reykjanes Peninsula	Iceland	7.9m	Moderate	1.8 mg/m3	- g/m3	-
124	Ichinomiya	Japan	7.9m	Moderate	2.7 mg/m3	- g/m3	-
125	Dungeons	South Africa	7.8m	Moderate	2.7 mg/m3	- g/m3	14.1°C
126	Gordon's Bay	South Africa	7.8m	Moderate	2.6 mg/m3	- g/m3	-
127	Jericoacoara	Brazil	7.8m	Moderate	1.8 mg/m3	- g/m3	26.8°C
128	Bloubergstrand	South Africa	7.7m	Moderate	2.4 mg/m3	- g/m3	-
129	Garopaba	Brazil	7.7m	Moderate	2.1 mg/m3	- g/m3	19.0°C
130	Praia do Guincho	Portugal	7.6m	Moderate	1.2 mg/m3	- g/m3	-
131	Bournemouth	United Kingdom	7.5m	Moderate	2.5 mg/m3	- g/m3	-
132	Pichilemu	Chile	7.5m	Moderate	1.7 mg/m3	- g/m3	-
133	Biarritz	France	7.4m	Moderate	3.1 mg/m3	- g/m3	-
134	Cannon Beach	United States	7.4m	Moderate	3.1 mg/m3	- g/m3	-
135	Seignosse	France	7.4m	Moderate	3.1 mg/m3	- g/m3	-
136	Hossegor	France	7.4m	Moderate	3.1 mg/m3	- g/m3	-
137	La Gravière	France	7.4m	Moderate	3.1 mg/m3	- g/m3	-
138	Les Cavaliers	France	7.4m	Moderate	3.1 mg/m3	- g/m3	14.5°C
139	Carcavelos	Portugal	7.3m	Moderate	3.4 mg/m3	- g/m3	-
140	La Torche	France	7.3m	Moderate	0.8 mg/m3	- g/m3	-
141	Bracklesham Bay	United Kingdom	7.2m	Moderate	2.6 mg/m3	- g/m3	-
142	Capbreton	France	7.1m	Moderate	3.3 mg/m3	- g/m3	-
143	Cloudbreak	Fiji	6.7m	Moderate	1.1 mg/m3	- g/m3	-
144	Strandhill	Ireland	6.7m	Moderate	3.4 mg/m3	- g/m3	-
145	Pascuales	Mexico	6.1m	Moderate	4.6 mg/m3	- g/m3	-
146	Lobitos	Peru	6.0m	Moderate	3.4 mg/m3	- g/m3	-
147	Tsurigasaki Beach	Japan	5.8m	Moderate	2.5 mg/m3	- g/m3	18.9°C
148	Unstad	Norway	4.8m	Moderate	1.1 mg/m3	- g/m3	-
149	Getxo	Spain	4.7m	Moderate	8.7 mg/m3	- g/m3	-
150	Anglet	France	4.4m	Moderate	5.1 mg/m3	- g/m3	-
151	Itacaré	Brazil	4.3m	Moderate	2.3 mg/m3	- g/m3	-
152	Pantín	Spain	3.9m	Moderate	0.6 mg/m3	- g/m3	-
153	Máncora	Peru	3.9m	Moderate	7.6 mg/m3	- g/m3	-
154	New Smyrna Beach	United States	3.9m	Moderate	2.1 mg/m3	- g/m3	-
155	Lacanau	France	3.7m	Moderate	3.4 mg/m3	- g/m3	-
156	Weligama	Sri Lanka	3.6m	Moderate	8.1 mg/m3	- g/m3	-
157	Muizenberg	South Africa	3.5m	Moderate	10.0 mg/m3	- g/m3	-
158	Lahinch	Ireland	3.3m	Moderate	11.4 mg/m3	- g/m3	-
159	Joss Bay	United Kingdom	3.2m	Moderate	2.4 mg/m3	- g/m3	-
160	Llangennith	United Kingdom	2.7m	Reduced	2.1 mg/m3	- g/m3	-
161	Dover	United Kingdom	2.6m	Reduced	9.5 mg/m3	- g/m3	-
162	El Gouna	Egypt	2.5m	Reduced	1.5 mg/m3	- g/m3	-
163	Florianópolis	Brazil	2.3m	Reduced	41.3 mg/m3	- g/m3	-
164	Miyazaki	Japan	2.3m	Reduced	3.2 mg/m3	- g/m3	-
165	Seaburn	United Kingdom	2.3m	Reduced	4.5 mg/m3	- g/m3	-
166	Filey	United Kingdom	2.2m	Reduced	3.4 mg/m3	- g/m3	-
167	Inch Beach	Ireland	2.2m	Reduced	0.7 mg/m3	- g/m3	-
168	Salinas	Spain	2.1m	Reduced	2.7 mg/m3	- g/m3	14.7°C
169	Cayton Bay	United Kingdom	2.1m	Reduced	6.8 mg/m3	- g/m3	-
170	Scarborough	United Kingdom	2.1m	Reduced	8.9 mg/m3	- g/m3	9.9°C
171	Tynemouth	United Kingdom	2.0m	Reduced	5.6 mg/m3	- g/m3	-
172	Saltburn-by-the-Sea	United Kingdom	2.0m	Reduced	3.5 mg/m3	- g/m3	-
173	Rockaway Beach	United States	2.0m	Reduced	6.9 mg/m3	- g/m3	-
174	Cocoa Beach	United States	1.9m	Reduced	3.4 mg/m3	- g/m3	-
175	Runswick Bay	United Kingdom	1.8m	Reduced	1.5 mg/m3	- g/m3	-
176	Tybee Island	United States	1.5m	Reduced	4.0 mg/m3	- g/m3	-
177	Folly Beach	United States	1.4m	Reduced	4.3 mg/m3	- g/m3	-
178	Sandsend	United Kingdom	1.4m	Reduced	1.1 mg/m3	- g/m3	-
179	Saunton Sands	United Kingdom	1.4m	Reduced	- mg/m3	- g/m3	-
180	Croyde	United Kingdom	1.4m	Reduced	- mg/m3	- g/m3	-
181	Huanchaco	Peru	1.4m	Reduced	5.0 mg/m3	- g/m3	-
182	Putsborough	United Kingdom	1.4m	Reduced	- mg/m3	- g/m3	-
183	Woolacombe	United Kingdom	1.4m	Reduced	- mg/m3	- g/m3	-
184	Sebastian Inlet	United States	1.4m	Reduced	4.3 mg/m3	- g/m3	-
185	Santa Catalina	Panama	1.3m	Reduced	4.7 mg/m3	- g/m3	-
186	Chicama	Peru	1.1m	Reduced	5.5 mg/m3	- g/m3	-
187	Outer Banks	United States	1.0m	Reduced	6.8 mg/m3	- g/m3	-
188	Lakey Peak	Indonesia	1.0m	Reduced	11.9 mg/m3	- g/m3	-
189	Caswell Bay	United Kingdom	0.9m	Reduced	6.0 mg/m3	- g/m3	-
190	Langland Bay	United Kingdom	0.9m	Reduced	6.0 mg/m3	- g/m3	-
191	Rest Bay	United Kingdom	0.5m	Reduced	6.6 mg/m3	- g/m3	-
192	Imsouane	Morocco	-	No data	2.5 mg/m3	- g/m3	-
193	Rincón	Puerto Rico	-	No data	0.3 mg/m3	- g/m3	-
194	Durban Bay of Plenty	South Africa	-	No data	3.8 mg/m3	- g/m3	-
195	Mui Ne	Vietnam	-	No data	3.2 mg/m3	- g/m3	-
196	Boracay	Philippines	-	No data	0.5 mg/m3	- g/m3	-
197	Ubatuba	Brazil	-	No data	2.0 mg/m3	- g/m3	-
198	Leucate	France	-	No data	20.2 mg/m3	- g/m3	-
199	Cabarete	Dominican Republic	-	No data	2.0 mg/m3	- g/m3	-
200	Essaouira	Morocco	-	No data	4.6 mg/m3	- g/m3	-
201	Keramas	Indonesia	-	No data	0.7 mg/m3	- g/m3	-
202	Padang Padang	Indonesia	-	No data	0.9 mg/m3	- g/m3	-
203	Anakao	Madagascar	-	No data	3.9 mg/m3	- g/m3	-
204	Avoca Beach	Australia	-	No data	3.1 mg/m3	- g/m3	-
205	Santa Cruz	United States	-	No data	3.0 mg/m3	- g/m3	-
206	Trestles	United States	-	No data	1.1 mg/m3	- g/m3	-
207	Rincon	United States	-	No data	5.0 mg/m3	- g/m3	-
208	Arugam Bay	Sri Lanka	-	No data	0.2 mg/m3	- g/m3	-
209	North Malé Atoll	Maldives	-	No data	0.4 mg/m3	- g/m3	-
210	Ngor/Ouakam	Senegal	-	No data	4.1 mg/m3	- g/m3	-
211	Bingin	Indonesia	-	No data	0.9 mg/m3	- g/m3	-
212	G-Land	Indonesia	-	No data	3.2 mg/m3	- g/m3	-
213	Manorbier	United Kingdom	-	No data	2.4 mg/m3	- g/m3	-
214	Medewi	Indonesia	-	No data	0.8 mg/m3	- g/m3	-
215	Bolinas	United States	-	No data	11.7 mg/m3	- g/m3	-
216	Punta de Mita	Mexico	-	No data	2.0 mg/m3	- g/m3	-
217	San José del Cabo	Mexico	-	No data	0.6 mg/m3	- g/m3	-
218	Sayulita	Mexico	-	No data	2.9 mg/m3	- g/m3	-
219	Thurso East	United Kingdom	-	No data	2.7 mg/m3	- g/m3	-
220	Baisha Bay	Taiwan	-	No data	0.6 mg/m3	- g/m3	-
221	Canggu	Indonesia	-	No data	2.3 mg/m3	- g/m3	-
222	The Wedge	United States	-	No data	1.4 mg/m3	- g/m3	-
223	Sidi Kaouki	Morocco	-	No data	2.8 mg/m3	- g/m3	-
224	Jeju Jungmun	South Korea	-	No data	0.7 mg/m3	- g/m3	-
225	Hookipa	United States	-	No data	0.1 mg/m3	- g/m3	-
226	Kuta Lombok	Indonesia	-	No data	0.4 mg/m3	- g/m3	-
227	Taghazout	Morocco	-	No data	4.7 mg/m3	- g/m3	-
228	Uluwatu	Indonesia	-	No data	0.4 mg/m3	- g/m3	-
229	Balangan	Indonesia	-	No data	1.0 mg/m3	- g/m3	-
230	Aganoa	Samoa	-	No data	1.1 mg/m3	- g/m3	-
231	Dee Why	Australia	-	No data	4.6 mg/m3	- g/m3	-
232	Elands Bay	South Africa	-	No data	1.2 mg/m3	- g/m3	-
233	Baler	Philippines	-	No data	0.5 mg/m3	- g/m3	-
234	Saquarema	Brazil	-	No data	2.2 mg/m3	- g/m3	-
235	Anchor Point	Morocco	-	No data	4.7 mg/m3	- g/m3	-
236	Thulusdhoo	Maldives	-	No data	0.3 mg/m3	- g/m3	-
237	Huntington Beach	United States	-	No data	3.1 mg/m3	- g/m3	-
238	Blacks Beach	United States	-	No data	1.2 mg/m3	- g/m3	-
239	Cimaja	Indonesia	-	No data	0.6 mg/m3	- g/m3	27.5°C
240	Dakar Yoff	Senegal	-	No data	4.8 mg/m3	- g/m3	-
241	El Tunco	El Salvador	-	No data	0.4 mg/m3	- g/m3	-
242	Popoyo	Nicaragua	-	No data	0.7 mg/m3	- g/m3	-
243	Desert Point	Indonesia	-	No data	0.3 mg/m3	- g/m3	26.4°C
244	Rhodes	Greece	-	No data	0.2 mg/m3	- g/m3	-
245	Dunnet Bay	United Kingdom	-	No data	4.2 mg/m3	- g/m3	-
246	El Sunzal	El Salvador	-	No data	0.4 mg/m3	- g/m3	-
247	Freshwater West	United Kingdom	-	No data	1.3 mg/m3	- g/m3	-
248	Jaws/Pe'ahi	United States	-	No data	0.1 mg/m3	- g/m3	-
249	Jeffreys Bay	South Africa	-	No data	0.3 mg/m3	- g/m3	-
250	Lanzarote/Famara	Spain	-	No data	0.1 mg/m3	- g/m3	-
251	Le Moule	Guadeloupe	-	No data	1.2 mg/m3	- g/m3	-
252	Maresias	Brazil	-	No data	3.9 mg/m3	- g/m3	21.5°C
253	Maroubra	Australia	-	No data	1.3 mg/m3	- g/m3	-
254	Mavericks	United States	-	No data	8.6 mg/m3	- g/m3	-
255	Merewether	Australia	-	No data	2.8 mg/m3	- g/m3	15.1°C
256	Mirleft	Morocco	-	No data	1.2 mg/m3	- g/m3	-
257	Narrabeen	Australia	-	No data	4.6 mg/m3	- g/m3	-
258	Ocean Beach SF	United States	-	No data	6.4 mg/m3	- g/m3	-
259	Nosara	Costa Rica	-	No data	0.3 mg/m3	- g/m3	-
260	Piha	New Zealand	-	No data	1.5 mg/m3	- g/m3	-
261	Playa Grande	Costa Rica	-	No data	0.4 mg/m3	- g/m3	-
262	Torres	Brazil	-	No data	4.8 mg/m3	- g/m3	-
263	Varkala	India	-	No data	1.2 mg/m3	- g/m3	-
264	La Jolla Cove	United States	-	No data	1.3 mg/m3	- g/m3	-
265	Oludeniz	Turkey	-	No data	0.3 mg/m3	- g/m3	-
266	Wrightsville Beach	United States	-	No data	0.8 mg/m3	- g/m3	-

#7La Union (San Juan)

#13Gran Canaria/El Confital

#14Fernando de Noronha

#50Fuerteventura/Cotillo

#60North Stradbroke Island

#74Restaurants (Namotu)

#111Costa da Caparica

#115Peniche/Supertubos

#123Reykjanes Peninsula

#147Tsurigasaki Beach

#172Saltburn-by-the-Sea

#194Durban Bay of Plenty

#217San José del Cabo

#266Wrightsville Beach

Satellite ocean colour data from Copernicus Marine and NOAA CoastWatch. Data from 4 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. It comes from the conditions pipeline rather than the satellite data, so it reflects recent modelled conditions rather than a satellite snapshot.

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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