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Warmest sea in United States in February

4,477 coastal locations in United States ranked by their typical February sea temperature. Region-wide average in February: 10.0°C. The top of the list is where to find the warmest swimming this month.

Warmest in February

Palmyra Island

27.9°C February mean in United States

Regional February average

10.0°C

across all 4,477 coastal locations in United States

Vs annual mean

-6.2°C

below the year-round regional average

What the United States sea feels like in February

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

United States monthly average 10.0°C to 22.6°C
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  • Warmest month August 22.6°C
  • Coldest month February 10.0°C
  • Annual mean 16.2°C
  • Months above 20°C 3 of 12

Where February fits in the year

February sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve United States month rankings:

United States sea temperature map (live)

The map shows today's latest reading at every United States location. The list below is based on the typical February mean, useful for trip planning weeks or months ahead.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest United States locations in February

Sorted by the typical February mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# Location February mean
1 Palmyra Island Northern Line Islands 27.9°C
2 Howland Island Minor Outlying Islands 27.6°C
3 Jarvis Island Minor Outlying Islands 26.6°C
4 Wake Island, Pacific Ocean Minor Outlying Islands 26.6°C
5 Johnston Atoll, Pacific Ocean Minor Outlying Islands 26.1°C
6 Johnston Atoll Minor Outlying Islands 26.1°C
7 Long Island New York 25.8°C
8 Boynton Beach Florida 25.4°C
9 Briny Breezes Florida 25.4°C
10 Hypoluxo Florida 25.4°C
11 Lake Worth Florida 25.4°C
12 Lantana Florida 25.4°C
13 Manalapan Florida 25.4°C
14 Mar-a-Lago Florida 25.4°C
15 Ocean Ridge Florida 25.4°C
16 South Palm Beach Florida 25.4°C
17 West Palm Beach Florida 25.4°C
18 Boynton Beach, Lake Worth Florida 25.4°C
19 Lake Worth ICW Florida 25.4°C
20 Lake Worth (ICWW) Florida 25.4°C
21 Lake Worth Pier, Florida 25.4°C
22 Palm Beach, Highway 704 bridge, Lake Worth, Florida Florida 25.4°C
23 Palm Beach, Lake Worth, Florida Florida 25.4°C
24 West Palm Beach Canal, Lake Worth, Florida Florida 25.4°C
25 Napoopoo, Kealakekua Bay, Hawaii Island, Hawaii Hawaii 25.3°C
Show 25 more ▸
26 Kealakekua Bay Hawaii 25.1°C
27 Island of Hawaii Hawaii 25.1°C
28 Kahaluu-Keauhou Hawaii 25.1°C
29 Kailua Kona Hawaii 25.1°C
30 Mahukona, Hawaii Island, Hawaii Hawaii 25.0°C
31 Carysfort Reef, Florida Florida 25.0°C
32 Kua Bay Hawaii 25.0°C
33 Key Largo Florida 24.9°C
34 Molasses Reef Florida 24.9°C
35 Pennekamp Florida 24.9°C
36 Rodriguez Key Florida 24.9°C
37 Hapuna Beach Hawaii 24.9°C
38 Kuheia Bay, Kahoolawe Island, Hawaii Hawaii 24.9°C
39 Puako Hawaii 24.9°C
40 Smuggler Cove, Kahoolawe Island, Hawaii Hawaii 24.9°C
41 Waikoloa Village Hawaii 24.9°C
42 Kaumalapau, Lanai Island, Hawaii Hawaii 24.9°C
43 Makena, Maui Island, Hawaii Hawaii 24.9°C
44 Honuapo, Hawaii Island, Hawaii Hawaii 24.8°C
45 Kaunakakai Harbor, Molokai Island Hawaii 24.8°C
46 Kolo, Molokai Island, Hawaii Hawaii 24.8°C
47 Waianae, Oahu Island, Hawaii Hawaii 24.8°C
48 Coral Gables Florida 24.8°C
49 Cutler Bay Florida 24.8°C
50 Cutler Florida 24.8°C

Coldest 10 in United States in February

Same data the other way. Helpful if you want to know which United States coasts to avoid for swimming in February.

# Location February mean
1 Savoonga, St. Lawrence Island Alaska -1.7°C
2 Point Hope Alaska -1.7°C
3 Northeast Cape, St. Lawrence Island Alaska -1.7°C
4 Cape Espenberg, Kotzebue Sound Alaska -1.7°C
5 Fossil River entrance, St. Lawrence Island, Alaska Alaska -1.7°C
6 Kivalina Alaska -1.7°C
7 Cape Krusenstern, Kotzebue Sound Alaska -1.7°C
8 Maknik Lagoon entrance, St. Lawrence Island, Alaska Alaska -1.7°C
9 Red Dog Dock Alaska -1.7°C
10 Moghoweyik River entrance, St. Lawrence Island, Alaska Alaska -1.7°C

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