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Water temperature by state
200 NOAA CO-OPS sensors and 436 NDBC buoys reporting as of October 18, 2026 (UTC).
- Warmest NOAA sensor today: 93.2 F at South Port Everglades, Florida; coldest: 37.4 F at Red Dog Dock, Alaska.
Warmest water today
93.2 FSouth Port EvergladesFlorida · 05:00 local86.7 FCulebraPuerto Rico · 05:00 local86.5 FKwajalein, Marshall Islands · 21:00 local86.5 FLimetree BayU.S. Virgin Islands · 05:00 local86.2 FKey WestFlorida · 05:00 local86.2 FSan Juan, La Puntilla, San Juan BayPuerto Rico · 05:00 local
Coldest water today
37.4 FRed Dog DockAlaska · 01:00 local43.3 FVillage Cove, St Paul IslandAlaska · 01:00 local45.0 FUnalaskaAlaska · 01:00 local45.1 FSkagway, Taiya InletAlaska · 01:00 local45.9 FJuneauAlaska · 01:00 local46.4 FCordovaAlaska · 01:00 local
By state
Alabama3 sensors · 7 buoysAlaska18 sensors · 34 buoysAmerican Samoa0 sensors · 3 buoysCalifornia12 sensors · 57 buoysConnecticut3 sensors · 3 buoysDelaware1 sensors · 2 buoysDistrict of Columbia1 sensors · 1 buoysFlorida19 sensors · 70 buoysGeorgia1 sensors · 2 buoysHawaii5 sensors · 11 buoysLouisiana10 sensors · 12 buoysMaine5 sensors · 12 buoysMaryland8 sensors · 12 buoysMassachusetts3 sensors · 12 buoysMichigan12 sensors · 35 buoysMinnesota2 sensors · 6 buoysMississippi2 sensors · 2 buoysNew Jersey5 sensors · 7 buoysNew York9 sensors · 17 buoysNorth Carolina6 sensors · 20 buoysOhio4 sensors · 16 buoysOregon3 sensors · 5 buoysPennsylvania4 sensors · 4 buoysPuerto Rico3 sensors · 5 buoysRhode Island3 sensors · 3 buoysSouth Carolina2 sensors · 8 buoysTexas32 sensors · 34 buoysU.S. Virgin Islands3 sensors · 3 buoysVirginia7 sensors · 11 buoysWashington8 sensors · 22 buoys