Sea temperature in the United States (USA) sea temperature in real time, 7-day forecast and historical data
Do you want to go to the beach to swim in the United States (USA) today? Check if the sea temperature is pleasant with our data, updated daily, in real time, and our weather forecast for the next few days, by city in the United States (USA).
Sea temperature in the United States (USA) today
On the map below, find the water temperature measured today for different cities in the United States (USA).
Water temperature in the United States (USA) by city
Below, find the current sea temperature and weather conditions in several coastal cities in the United States (USA).
Direct access: Alaska | Hawaii | California | Florida | Louisiana | Northeastern Coast | Northwest Coast | South West | South East
Alaska

Sea temperature in Anchorage: 36°F
Today's weather conditions: Outside temperature min/max: 41°F/43°F • Wind speed: 5mph • Waves: 5.9ft (0.3ft maximum) every 11 seconds
Sea temperature in Anchor Point: 41°F
Today's weather conditions: Outside temperature min/max: 41°F/43°F • Wind speed: 3.7mph • Waves: 4.9ft (0.3ft maximum) every 10.9 seconds
Sea temperature in Barrow: 32°F
Today's weather conditions: Outside temperature min/max: -13°F/-5°F • Wind speed: 3.7mph • Waves: 1ft (1ft maximum) every 0.1 seconds
Sea temperature in Dillingham: 32°F
Today's weather conditions: Outside temperature min/max: 23°F/34°F • Wind speed: 23mph • Waves: 1.6ft (4.3ft maximum) every 0.1 seconds
Sea temperature in Dutch Harbor: 40°F
Today's weather conditions: Outside temperature min/max: 38°F/41°F • Wind speed: 14.9mph • Waves: 8.5ft (3ft maximum) every 9.8 seconds
Hawaii

Sea temperature in Honolulu (Oahu): 79°F
Today's weather conditions: Outside temperature min/max: 72°F/77°F • Wind speed: 5mph • Waves: 4.6ft (1ft maximum) every 12.7 seconds
Sea temperature in Kauai (Garden Isle): 76°F
Today's weather conditions: Outside temperature min/max: 76°F/77°F • Wind speed: 7.5mph • Waves: 3.6ft (3.3ft maximum) every 14.6 seconds
Sea temperature in Maui: 79°F
Today's weather conditions: Outside temperature min/max: 70°F/77°F • Wind speed: 8.7mph • Waves: 1ft (1ft maximum) every 4.7 seconds
Sea temperature in Captain Cook: 79°F
Today's weather conditions: Outside temperature min/max: 74°F/76°F • Wind speed: 6.2mph • Waves: 3.3ft (3.3ft maximum) every 12.1 seconds
Sea temperature in Hana: 77°F
Today's weather conditions: Outside temperature min/max: 70°F/74°F • Wind speed: 18mph • Waves: 4.6ft (3.3ft maximum) every 11.8 seconds
California

Sea temperature in Los Angeles : 65°F
Today's weather conditions: Outside temperature min/max: 56°F/67°F • Wind speed: 1.9mph • Waves: 0.7ft (0.7ft maximum) every 13.5 seconds
Sea temperature in San Francisco: 54°F
Today's weather conditions: Outside temperature min/max: 50°F/56°F • Wind speed: 11.2mph • Waves: 2.3ft (2.6ft maximum) every 12.5 seconds
Sea temperature in San Diego: 61°F
Today's weather conditions: Outside temperature min/max: 56°F/67°F • Wind speed: 3.1mph • Waves: 3ft (2.6ft maximum) every 13.8 seconds
Sea temperature in Big Sur: 54°F
Today's weather conditions: Outside temperature min/max: 54°F/58°F • Wind speed: 8.7mph • Waves: 3.9ft (1.6ft maximum) every 12.6 seconds
Sea temperature in Cambria: 61°F
Today's weather conditions: Outside temperature min/max: 50°F/59°F • Wind speed: 1.9mph • Waves: 4.3ft (1ft maximum) every 12.8 seconds
Florida

Sea temperature in Miami: 76°F
Today's weather conditions: Outside temperature min/max: 76°F/77°F • Wind speed: 8.1mph • Waves: 2ft (2ft maximum) every 6.1 seconds
Sea temperature in Key West: 74°F
Today's weather conditions: Outside temperature min/max: 76°F/77°F • Wind speed: 10.6mph • Waves: 1.6ft (2.3ft maximum) every 5.9 seconds
Sea temperature in St. Augustine: 68°F
Today's weather conditions: Outside temperature min/max: 61°F/67°F • Wind speed: 6.2mph • Waves: 2.3ft (3.3ft maximum) every 10.3 seconds
Sea temperature in Tampa: 71°F
Today's weather conditions: Outside temperature min/max: 61°F/72°F • Wind speed: 8.1mph • Waves: 0.7ft (1ft maximum) every 4.6 seconds
Sea temperature in Anna Maria Island: 70°F
Today's weather conditions: Outside temperature min/max: 61°F/74°F • Wind speed: 5mph • Waves: 1ft (1.3ft maximum) every 6.7 seconds
Louisiana

Sea temperature in New Orleans: 67°F
Today's weather conditions: Outside temperature min/max: 52°F/61°F • Wind speed: 13.1mph • Waves: 1ft (2.3ft maximum) every 0.1 seconds
Sea temperature in Cameron: 67°F
Today's weather conditions: Outside temperature min/max: 47°F/63°F • Wind speed: 8.7mph • Waves: 1.6ft (2.3ft maximum) every 5.5 seconds
Sea temperature in Grand Isle: 74°F
Today's weather conditions: Outside temperature min/max: 63°F/70°F • Wind speed: 5.6mph • Waves: 2ft (1.6ft maximum) every 5.6 seconds
Sea temperature in Holly Beach: 67°F
Today's weather conditions: Outside temperature min/max: 47°F/63°F • Wind speed: 8.7mph • Waves: 1.6ft (2.3ft maximum) every 5.5 seconds
Sea temperature in Houma: 74°F
Today's weather conditions: Outside temperature min/max: 54°F/59°F • Wind speed: 13.7mph • Waves: 1ft (2.6ft maximum) every 0.1 seconds
Northeastern Coast

Sea temperature in Washington D. C.: 47°F
Today's weather conditions: Outside temperature min/max: 29°F/41°F • Wind speed: 18.6mph • Waves: 2ft (3.9ft maximum) every 0.1 seconds
Sea temperature in Boston: 49°F
Today's weather conditions: Outside temperature min/max: 18°F/40°F • Wind speed: 18mph • Waves: 2ft (3.9ft maximum) every 7.9 seconds
Sea temperature in New York City: 45°F
Today's weather conditions: Outside temperature min/max: 23°F/41°F • Wind speed: 17.4mph • Waves: 2ft (3.9ft maximum) every 8.1 seconds
Sea temperature in Philadelphia: 47°F
Today's weather conditions: Outside temperature min/max: 29°F/41°F • Wind speed: 19.3mph • Waves: 2ft (3.6ft maximum) every 10.6 seconds
Sea temperature in Atlantic City: 49°F
Today's weather conditions: Outside temperature min/max: 29°F/43°F • Wind speed: 18.6mph • Waves: 3ft (4.6ft maximum) every 10.4 seconds
Northwest Coast

Sea temperature in Seattle: 50°F
Today's weather conditions: Outside temperature min/max: 45°F/49°F • Wind speed: 12.4mph • Waves: 4.6ft (2.6ft maximum) every 13.3 seconds
Sea temperature in Long Beach (Washington): 49°F
Today's weather conditions: Outside temperature min/max: 50°F/52°F • Wind speed: 19.9mph • Waves: 5.2ft (5.6ft maximum) every 13.3 seconds
Sea temperature in Portland: 49°F
Today's weather conditions: Outside temperature min/max: 49°F/52°F • Wind speed: 13.7mph • Waves: 4.3ft (2.6ft maximum) every 12.2 seconds
Sea temperature in La Push (Washington): 47°F
Today's weather conditions: Outside temperature min/max: 47°F/50°F • Wind speed: 18mph • Waves: 5.2ft (5.2ft maximum) every 11.7 seconds
Sea temperature in Lincoln City (Oregon): 50°F
Today's weather conditions: Outside temperature min/max: 49°F/54°F • Wind speed: 14.9mph • Waves: 4.6ft (3ft maximum) every 12.2 seconds
South West

Sea temperature in Houston: 69°F
Today's weather conditions: Outside temperature min/max: 47°F/67°F • Wind speed: 13.1mph • Waves: 2.3ft (3ft maximum) every 5.7 seconds
Sea temperature in Port Aransas: 68°F
Today's weather conditions: Outside temperature min/max: 54°F/70°F • Wind speed: 24.2mph • Waves: 3ft (2.6ft maximum) every 5.7 seconds
Sea temperature in South Padre Island: 74°F
Today's weather conditions: Outside temperature min/max: 65°F/76°F • Wind speed: 6.2mph • Waves: 3.6ft (1.3ft maximum) every 5.6 seconds
Sea temperature in Corpus Christi: 72°F
Today's weather conditions: Outside temperature min/max: 56°F/72°F • Wind speed: 21.8mph • Waves: 2.3ft (3.3ft maximum) every 5.8 seconds
Sea temperature in Galveston: 73°F
Today's weather conditions: Outside temperature min/max: 52°F/68°F • Wind speed: 18.6mph • Waves: 2.6ft (3.3ft maximum) every 5.8 seconds
South East

Sea temperature in Myrtle Beach: 63°F
Today's weather conditions: Outside temperature min/max: 47°F/56°F • Wind speed: 3.7mph • Waves: 1.3ft (2ft maximum) every 10.3 seconds
Sea temperature in Carolina Beach: 59°F
Today's weather conditions: Outside temperature min/max: 45°F/56°F • Wind speed: 5mph • Waves: 1.6ft (0.3ft maximum) every 10.2 seconds
Sea temperature in Dauphin Island (Alabama): 65°F
Today's weather conditions: Outside temperature min/max: 54°F/68°F • Wind speed: 23mph • Waves: 2.3ft (3.3ft maximum) every 5.1 seconds
Sea temperature in Edisto Beach: 63°F
Today's weather conditions: Outside temperature min/max: 49°F/58°F • Wind speed: 3.1mph • Waves: 1.6ft (2.3ft maximum) every 10.4 seconds
Sea temperature in Gulf Shores (Alabama): 68°F
Today's weather conditions: Outside temperature min/max: 52°F/68°F • Wind speed: 19.9mph • Waves: 2ft (3ft maximum) every 5 seconds
Water temperature in the United States (USA) by month
Below, find the average temperature variation of the sea in the United States (USA) for the cities of: Anchorage, California, Honolulu (Oahu), Los Angeles and Miami.
Warning:
The information provided on this page regarding the sea temperature in the United States (USA) is for informational purposes only. It is the surface temperature of the sea measured by satellite, based on data available at the time of consultation. These data may vary depending on several factors such as local weather conditions, tides, and other variables. We therefore recommend consulting additional local sources for updated information before making any decisions based on this data.