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Sea temperatures, water sports and vacation activities near Key West, United States

Water temperatures throughout the year and general information about Key West...

Key West is a beach in the United States. The water temperature around Key West changes slightly during the year. The temperature ranges from 21.5°C (70.7°F) in February up to 30.3°C (86.6°F) in the month of August, as shown in the interactive table below. The average water temperature throughout the year is 26°C (79°F) and the best time for water activities is late summer, since Key West is located in the northern hemisphere.

Hover over the bars to see temperature for each month in Celsius and Fahrenheit.

What is the current water temperature at Key West?

The current water temperature in the month of August at Key West is ca:
30°C (87°F)

Are there surf spots near by?

Not many surf spots are in proximity to Key West. A good spot nearby is Naples Pier, which is 109.8km (68.2miles) away from Key West. Click here to check out more information on Naples Pier and its current water temperature. If you have some extra time, you can also try South Beach, which is ca 132.6km (82.4miles) away from Key West. Another good surfspot is South Beach, located approximately 132.6km (82.4miles) from Key West.

Are there any other white sand beaches close by?

There are other gorgeous beaches in proximity to Key West. The nearest one is Boca Chica, which is 5.9km (3.7miles) away from Key West. Another nice beach near Key West is Marathon, which is approximately 51.5km (32miles) away.

What wetsuit thickness is needed for Key West?

The sea temperature at Key West is extremely warm, reaching up to 30°C (87°F) in the months of July, August, and September. During this time, in the late summer, a wetsuit is typically not required for surfing, swimming, snorkelling, or diving . However, during January, February, and March, sea temperatures reach lows of approximately 21°C (71°F). During this time, a 3/2 wetsuit might be required to be in the water for a good amount of time, but some might even be ok with a jumpsuit or even a wetsuit top. For very windy conditions and cold mornings/evenings, it might be better to carry a 4/3 wetsuit.

How is the diving and fishing near Key West?

Due to significant sea temperature changes during the year, scuba diving and fishing conditions alter a lot depending on the season. The temperature ranges from 21 to 26°C (71-80°F) during January, February, and March. Red Snapper, Skipjack Tuna, Striped Bass, and Weakfish are typical fish that can be found in waters of this temperature range. The conditions typically change during July, August, and September when temperatures go up to 25 to 30°C (78-87°F). Fish which love this water temperature include: Bonefish, Permit, Red Drum, and Tarpon.

Directions to Key West: How do I get there?

Please follow the directions in the map below.

Fun facts about Key West...

Do you know what the the city Lipa City in the Philippines, the city Santo Cristo in the Philippines, and the city Tinningstedt in the Germany have in common with Key West? Click on the links to find out...