°C
°F

Sea Temperatures in USA

Sea temperatures for 139 locations in country USA. The warmest water in USA is in Boston MA where water has 31.3 degrees celsius. On the contrary, the lowest temperature is in Nikiski AK where water has only -1.4 degrees celsius. This means the difference between the warmest (Boston MA) and coldest (Nikiski AK) place in USA is 32.7 degrees celsius.
At the moment the warmest country in North America is USA where current average water temperature is 14,8 °C. The coldest country at the moment is Greenland with average water temperature 1,6 °C. Among 2 countries in North America, currently USA has the warmest water.
The average temperature in the last month in USA was 15.4 °C, the highest temperature was 31.5 °C and the lowest temperature was -22 °C.
Below is list of towns in USA with information about water temperatures. You can order locations by different criteria.
 Order sea temperatures by: NameWater temperaturePopularity
2°C
Harbor Beach, MI

Average water temperature: 9°C

17°C
Adelanto

Average water temperature: -°C

15,2°C
Alameda CA

Average water temperature: 17,3°C

8,7°C
Alpena, MI

Average water temperature: 12,4°C

-1,1°C
Anchorage AK

Average water temperature: 5,5°C

°C
Annette Isl

Average water temperature: 9,7°C

8,1°C
Astoria OR

Average water temperature: 13,6°C

6,2°C
Atlantic City NJ

Average water temperature: 12,9°C

13,6°C
Avila Beach CA

Average water temperature: 14,2°C

7,6°C
Baltimore MD

Average water temperature: 15,1°C

5,4°C
Bergen Point NY

Average water temperature: 13°C

°C
Bethel

Average water temperature: 3°C

13°C
Bodega Bay CA

Average water temperature: 11,9°C

31,3°C
Boston MA

Average water temperature: 30,4°C

3,7°C
Brandywine Shoal Light DE

Average water temperature: 23,4°C

°C
Branford

Average water temperature: 3°C

°C
Bristol

Average water temperature: 3°C

2,1°C
Buffalo, NY

Average water temperature: 10,3°C

24,8°C
Buoy 42001

Average water temperature: 25°C

24,9°C
Buoy 42003

Average water temperature: 26,2°C

8,3°C
Cape May NJ

Average water temperature: 15,3°C

11,3°C
Charleston OR

Average water temperature: 11,5°C

16,1°C
Charleston SC

Average water temperature: 20,3°C

16,6°C
Cherry Point WA

Average water temperature: 14,2°C

8,9°C
Chesapeake Bay Bridge Tunnel VA

Average water temperature: 15,3°C

7,9°C
Chesapeake City MD

Average water temperature: 14,4°C

6°C
Cheshire

Average water temperature: 3°C

5,1°C
Cleveland, OH

Average water temperature: 11,9°C

21,4°C
Coast Guard Sector Mobile AL

Average water temperature: 21,3°C

3°C
Cold Bay

Average water temperature: 7,6°C

4,1°C
Conimicut Light RI

Average water temperature: 12,6°C

23°C
Corpus Christi Point, TX

Average water temperature: 22,3°C

12,6°C
Crescent City CA

Average water temperature: 12,8°C

22°C
Dauphin Island AL

Average water temperature: 21,7°C

1,1°C
De Tour Village, MI

Average water temperature: 4,8°C

7,6°C
Delaware City DE

Average water temperature: 14,5°C

5°C
Delta Junction

Average water temperature: -°C

3°C
Eagle River

Average water temperature: -°C

7°C
East Hartford

Average water temperature: 3°C

4°C
Eielson AFB

Average water temperature: -°C

2°C
Elmendorf Afb

Average water temperature: -°C

3,7°C
Fall River MA

Average water temperature: 12,8°C

2°C
Fort Richardson

Average water temperature: -°C

4°C
Fort Wainwright

Average water temperature: -°C

21,8°C
Freeport TX

Average water temperature: 22,3°C

8,1°C
Friday Harbor WA

Average water temperature: 9,6°C

21,7°C
Galveston Channel TX

Average water temperature: 21,5°C

29,1°C
Galveston Pleasure Pier, TX

Average water temperature: 29,1°C

24,6°C
Hilo Hawaii Island

Average water temperature: 25,5°C

3°C
Homer

Average water temperature: 3°C

25,5°C
Honolulu Oahu Island

Average water temperature: 27,3°C

3,8°C
Juneau AK

Average water temperature: 6°C

25,4°C
Kahului Maui Island

Average water temperature: 26,2°C

27,2°C
Kawaihae Hawaii Island

Average water temperature: 28,5°C

2°C
Kenai

Average water temperature: -°C

6°C
Ketchikan AK

Average water temperature: 6°C

24°C
Key West FL

Average water temperature: 27,4°C

4°C
Kings Point NY

Average water temperature: 11,2°C

9,3°C
Kiptopeke VA

Average water temperature: 16,7°C

3,8°C
Kodiak AK

Average water temperature: 8,1°C

28,4°C
Kwajalein Marshall Islands

Average water temperature: 29,2°C

8,3°C
Lewes DE

Average water temperature: 13,3°C

7,2°C
Longview WA

Average water temperature: 6,1°C

15,8°C
Los Angeles CA

Average water temperature: 18°C

13°C
Ludington, MI

Average water temperature: 13°C

3,8°C
Marblehead, OH

Average water temperature: 10,4°C

6,7°C
Marcus Hook PA

Average water temperature: 14,5°C

12,3°C
Marquette C.G., MI

Average water temperature: 8,9°C

2°C
Middleton Isl

Average water temperature: 9,1°C

19,3°C
Mobile State Docks AL

Average water temperature: 20,8°C

26,3°C
Mokuoloe, Oahu Island

Average water temperature: 26,7°C

12°C
Money Point, VA

Average water temperature: 18°C

3,7°C
Montauk, NY

Average water temperature: 11,5°C

14,1°C
Monterey CA

Average water temperature: 14,7°C

22,5°C
Naples FL

Average water temperature: 27,2°C

26,5°C
Nawilinii Kauai Island

Average water temperature: 26,4°C

9,8°C
Neah Bay WA

Average water temperature: 7,6°C

4,3°C
New Haven CT

Average water temperature: 12,3°C

4,5°C
New London CT

Average water temperature: 12°C

6,8°C
Newbold PA

Average water temperature: 13,9°C

11,5°C
Newport OR

Average water temperature: 11,5°C

4°C
Newport RI

Average water temperature: 11,8°C

-1,4°C
Nikiski AK

Average water temperature: 5,6°C

-1,4°C
Nome AK

Average water temperature: 3,5°C

4°C
North Pole

Average water temperature: -°C

7°C
Ocean City MD

Average water temperature: 13,8°C

12,8°C
Oswego, NY

Average water temperature: 12,7°C

30,5°C
Pago Pago Am. Samoa

Average water temperature: 29,1°C

°C
Palmer

Average water temperature: -°C

21,3°C
Pensacola FL

Average water temperature: 22°C

5,2°C
Philadelphia PA

Average water temperature: 12,8°C

6,1°C
Point Iroquois, MI

Average water temperature: 6,1°C

21,1°C
Port Aransas, TX

Average water temperature: 21,9°C

6,4°C
Port Inland, MI

Average water temperature: 10,1°C

25,6°C
Port Mansfield, TX

Average water temperature: 25,7°C

11,8°C
Port Orford OR

Average water temperature: 10,9°C

8,2°C
Port Townsend WA

Average water temperature: 9,9°C

3,3°C
Portland ME

Average water temperature: 9,8°C

3,4°C
Providence RI

Average water temperature: 12,1°C

3,7°C
Quonset Point RI

Average water temperature: 11,9°C

25,3°C
Reddy Point MD

Average water temperature: 21,9°C

16,2°C
Redwood City CA

Average water temperature: 18,1°C

14,2°C
Richmond CA

Average water temperature: 15,8°C

24,6°C
Rockport, TX

Average water temperature: 23,3°C

0°C
S.W.Pier, MI

Average water temperature: 6,4°C

23°C
Sabine Pass North TX

Average water temperature: 21,5°C

19,2°C
San Diego Bay CA

Average water temperature: 20,4°C

14,5°C
San Francisco CA

Average water temperature: 14,8°C

3,3°C
Sand Point AK

Average water temperature: 7,4°C

4,9°C
Sandy Hook NJ

Average water temperature: 12,5°C

16,1°C
Santa Monica CA

Average water temperature: 18,8°C

17°C
Savannah Beach GA

Average water temperature: 21,3°C

15,8°C
Scripps Pier CA

Average water temperature: 18,8°C

8,2°C
Seattle WA

Average water temperature: 10,7°C

2,7°C
Seldovia AK

Average water temperature: 7,4°C

4,4°C
Seward AK

Average water temperature: 8,8°C

4°C
Shemya

Average water temperature: 6,5°C

6°C
Ship John Shoal NJ

Average water temperature: 13,6°C

5,6°C
Sitka AK

Average water temperature: 9,5°C

°C
Soldotna

Average water temperature: -°C

9,3°C
Solomons Island MD

Average water temperature: 15,4°C

23,8°C
South Padre Island TX

Average water temperature: 22,4°C

13,4°C
Southeast Farallon Island CA

Average water temperature: 13,8°C

20,4°C
St Augustine Beach FL

Average water temperature: 26,6°C

0°C
St Paul Isl

Average water temperature: 5,3°C

22,6°C
St. Petersburg FL

Average water temperature: 25,9°C

6,8°C
Tacoma WA

Average water temperature: 10,2°C

5,2°C
The Battery NY

Average water temperature: 12,6°C

8,5°C
Tolchester Beach MD

Average water temperature: 14,4°C

5,2°C
Valdez AK

Average water temperature: 8,2°C

9,7°C
Virginia Beach VA

Average water temperature: 18,2°C

28,2°C
Wake Island

Average water temperature: -°C

8,6°C
Washington DC

Average water temperature: 15°C

2°C
Wasilla

Average water temperature: -°C

8,1°C
West Neebish Island, MI

Average water temperature: 10,5°C

13,8°C
Wilmington NC

Average water temperature: 19,1°C

3°C
Woods Hole MA

Average water temperature: 11,6°C

3,8°C
Yakutat AK

Average water temperature: 8,8°C

9,8°C
Yorktown, VA

Average water temperature: 16°C

 
  
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