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Sea temperature · Florida

Key West Sea Temperature

29.7°C Warm
Sea temperature
Wave height
0.6mSlightly choppy
Wave period
4s
Air temperature
28°CClear
Wind
10km/h

Updated: · Source: Open-Meteo Marine (Copernicus, DWD)

The sea in Key West is 29.7°C right now, with waves of 0.6 m. The water is warm and ideal for swimming. The sea is slightly choppy. The air temperature is 28°C. The sea will cool by 1.0°C over the next 7 days.

Key West 7-day sea temperature

DaySeaMax wave
Today October 16 29.7°C 0.7 m
Sat October 17 29.7°C 0.5 m
Sun October 18 29.4°C 0.8 m
Mon October 19 29.1°C 1.4 m
Tue October 20 29.0°C 1.4 m
Wed October 21 28.8°C 1.1 m
Thu October 22 28.7°C 1.2 m

Sea temperature on nearby coasts

Warmest to coolest sea.

Frequently asked questions

What is the sea temperature in Key West today?
The sea in Key West is 29.7°C right now, with waves of 0.6 m.
Is the sea warm enough to swim in Key West today?
The water is warm and ideal for swimming. The sea is slightly choppy.

Key West live beach cams

Watch the beach and sea live.

Key West sea temperature: details

The sea in the coming days

Over the 7-day forecast the water stays between 28.7 and 29.7°C; the warmest day is Fri, October 16 (29.7°C). The highest waves, about 1.4 m, are expected on Mon, October 19; the calmest day is Sat, October 17 (0.5 m). Right now the sea is 1.8°C warmer than the air.

The sea along nearby coasts

Latest readings on neighbouring coasts: Clearwater 28.2°C, Siesta Key 29.1°C, Sanibel Island 29.5°C and St. Augustine 27.6°C.