Sea weather in Key West in Florida All the beach weather in Key West

All the essential weather information for enjoying the beach in Key West in Florida, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Key West over the next 7 days?

Discover the best moment to go to the beach in Key West in Florida this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Key West. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Tuesday 15 June 202183°F to 85°Fdiscouraged
Wednesday 16 June 202177°F to 85°Fdiscouraged
Thursday 17 June 202181°F to 85°Fdiscouraged
Friday 18 June 202183°F to 85°Fdiscouraged
Saturday 19 June 202185°F to 85°Fdiscouraged
Sunday 20 June 202183°F to 85°Fdiscouraged
Monday 21 June 202183°F to 85°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Key West

Sea weather on Tuesday 15 June 2021

On Tuesday 15 June 2021, the sun will rise at 06:38 and will set at 20:17 on the beach(es) of Key West. The outside temperature will be a high of 85°F t and a low of 83°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 16.2mph km/h (with gusts up to 25.5mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)29°C (83°F)29°C (84°F)29°C (84°F)28°C (83°F)
Perceived temperature32°C (90°F)32°C (90°F)32°C (89°F)32°C (89°F)32°C (89°F)32°C (89°F)32°C (89°F)31°C (88°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%73%73%74%70%66%67%71%
Barometric pressure1016 hPa1015 hPa1016 hPa1017 hPa1017 hPa1016 hPa1017 hPa1017 hPa
Cloud cover31%6%21%88%58%47%39%84%
Heat index32°C (90°F)32°C (90°F)32°C (89°F)32°C (89°F)32°C (89°F)32°C (89°F)32°C (89°F)31°C (88°F)
Dew point23°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)23°C (73°F)22°C (71°F)22°C (72°F)22°C (72°F)
Wind
Speed17km/h (10mph)15km/h (9mph)21km/h (13mph)26km/h (16mph)20km/h (12mph)18km/h (11mph)11km/h (7mph)10km/h (6mph)
Gusts26km/h (16mph)29km/h (18mph)24km/h (15mph)37km/h (23mph)41km/h (26mph)36km/h (22mph)33km/h (20mph)12km/h (7mph)
Direction 252°
WSW
184°
S
203°
SSW
208°
SSW
212°
SSW
202°
SSW
177°
S
183°
S
Wind chill29°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)29°C (83°F)29°C (84°F)29°C (84°F)28°C (83°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1.0ft)0.2m (0.7ft)
Direction 160°
SSE
230°
SW
270°
W
270°
W
260°
W
230°
SW
230°
SW
240°
WSW
Period3.6 sec.3.9 sec.4.5 sec.4.4 sec.4.3 sec.3.4 sec.3.0 sec.4.1 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)0.3m (1ft)0.4m (1.3ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather on Wednesday 16 June 2021

On Wednesday 16 June 2021, the sun will rise at 06:38 and will set at 20:17 on the beach(es) of Key West. The outside temperature will be a high of 85°F t and a low of 77°F. Precipitation is in the forecast (0.3in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 19.9mph km/h (with gusts up to 31.1mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)28°C (83°F)29°C (84°F)29°C (83°F)27°C (81°F)25°C (77°F)25°C (76°F)26°C (79°F)
Perceived temperature31°C (88°F)31°C (88°F)32°C (90°F)32°C (90°F)30°C (86°F)27°C (81°F)27°C (80°F)29°C (83°F)
Precipitation0in0in0in0in0.1in0.2in0in0in
Humidity71%67%70%73%73%81%83%79%
Barometric pressure1017 hPa1015 hPa1016 hPa1016 hPa1017 hPa1017 hPa1017 hPa1018 hPa
Cloud cover78%76%47%85%53%63%61%97%
Heat index31°C (88°F)31°C (88°F)32°C (90°F)32°C (90°F)30°C (86°F)27°C (81°F)27°C (80°F)29°C (83°F)
Dew point22°C (72°F)22°C (71°F)23°C (73°F)23°C (74°F)22°C (72°F)21°C (70°F)22°C (71°F)22°C (72°F)
Wind
Speed8km/h (5mph)8km/h (5mph)10km/h (6mph)26km/h (16mph)20km/h (12mph)27km/h (17mph)32km/h (20mph)14km/h (9mph)
Gusts13km/h (8mph)29km/h (18mph)25km/h (15mph)33km/h (21mph)44km/h (27mph)42km/h (26mph)50km/h (31mph)32km/h (20mph)
Direction 69°
ENE
66°
ENE
79°
E
95°
E
108°
ESE
109°
ESE
145°
SE
154°
SSE
Wind chill28°C (82°F)28°C (83°F)29°C (84°F)29°C (83°F)27°C (81°F)25°C (77°F)25°C (76°F)26°C (79°F)
Waves
Height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)0.3m (1.0ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)
Direction 250°
WSW
250°
WSW
240°
WSW
250°
WSW
250°
WSW
250°
WSW
250°
WSW
250°
WSW
Period4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.4.0 sec.3.9 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.7m (2.3ft)0.5m (1.6ft)0.7m (2.3ft)0.9m (3ft)0.3m (1ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather on Thursday 17 June 2021

On Thursday 17 June 2021, the sun will rise at 06:38 and will set at 20:18 on the beach(es) of Key West. The outside temperature will be a high of 85°F t and a low of 81°F. Precipitation is in the forecast (0.4in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 19.9mph km/h (with gusts up to 32.3mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)28°C (82°F)28°C (83°F)29°C (83°F)29°C (83°F)
Perceived temperature30°C (85°F)30°C (87°F)31°C (87°F)30°C (85°F)30°C (86°F)32°C (89°F)33°C (91°F)33°C (92°F)
Precipitation0in0in0.1in0.2in0.1in0in0in0in
Humidity75%75%78%76%69%72%76%78%
Barometric pressure1016 hPa1015 hPa1015 hPa1017 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover57%100%74%58%53%64%52%86%
Heat index30°C (85°F)30°C (87°F)31°C (87°F)30°C (85°F)30°C (86°F)32°C (89°F)33°C (91°F)33°C (92°F)
Dew point22°C (72°F)23°C (73°F)23°C (74°F)22°C (72°F)21°C (71°F)23°C (73°F)24°C (75°F)24°C (76°F)
Wind
Speed29km/h (18mph)28km/h (17mph)27km/h (17mph)30km/h (19mph)32km/h (20mph)18km/h (11mph)26km/h (16mph)28km/h (17mph)
Gusts32km/h (20mph)35km/h (21mph)43km/h (27mph)52km/h (32mph)36km/h (22mph)34km/h (21mph)38km/h (24mph)40km/h (25mph)
Direction 59°
ENE
76°
ENE
93°
E
104°
ESE
116°
ESE
86°
E
98°
E
92°
E
Wind chill27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)28°C (82°F)28°C (83°F)29°C (83°F)29°C (83°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.3m (1.0ft)0.4m (1.3ft)0.4m (1.3ft)
Direction 140°
SE
140°
SE
140°
SE
250°
WSW
260°
W
130°
SE
130°
SE
120°
ESE
Period4.3 sec.4.0 sec.3.7 sec.3.6 sec.3.6 sec.3.5 sec.3.8 sec.4.1 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)0.4m (1.3ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather on Friday 18 June 2021

On Friday 18 June 2021, the sun will rise at 06:38 and will set at 20:18 on the beach(es) of Key West. The outside temperature will be a high of 85°F t and a low of 83°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 23.6mph km/h (with gusts up to 30.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (83°F)28°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (84°F)29°C (84°F)29°C (84°F)
Perceived temperature33°C (92°F)33°C (92°F)33°C (92°F)33°C (92°F)33°C (92°F)33°C (92°F)34°C (93°F)34°C (93°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%79%79%78%78%77%81%80%
Barometric pressure1016 hPa1015 hPa1016 hPa1017 hPa1017 hPa1016 hPa1016 hPa1018 hPa
Cloud cover87%42%29%42%88%84%53%89%
Heat index33°C (92°F)33°C (92°F)33°C (92°F)33°C (92°F)33°C (92°F)33°C (92°F)34°C (93°F)34°C (93°F)
Dew point25°C (76°F)24°C (76°F)25°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)25°C (77°F)25°C (77°F)
Wind
Speed33km/h (20mph)34km/h (21mph)38km/h (23mph)37km/h (23mph)36km/h (23mph)34km/h (21mph)33km/h (21mph)25km/h (16mph)
Gusts44km/h (28mph)44km/h (27mph)44km/h (28mph)40km/h (25mph)39km/h (24mph)49km/h (30mph)42km/h (26mph)41km/h (26mph)
Direction 96°
E
104°
ESE
116°
ESE
118°
ESE
114°
ESE
115°
ESE
127°
SE
119°
ESE
Wind chill29°C (83°F)28°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (84°F)29°C (84°F)29°C (84°F)
Waves
Height0.5m (1.6ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.6ft)
Direction 120°
ESE
280°
W
280°
W
280°
W
280°
W
280°
W
280°
W
170°
S
Period4.1 sec.4.1 sec.4.1 sec.4.1 sec.4.1 sec.4.1 sec.4.1 sec.8.0 sec.
Significant height0.9m (3ft)0.9m (3ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.6m (2ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather on Saturday 19 June 2021

On Saturday 19 June 2021, the sun will rise at 06:39 and will set at 20:18 on the beach(es) of Key West. The outside temperature will be a high of 85°F t and a low of 85°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 24.9mph km/h (with gusts up to 29.8mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (84°F)29°C (84°F)29°C (84°F)
Perceived temperature34°C (93°F)33°C (92°F)33°C (91°F)33°C (91°F)33°C (91°F)33°C (92°F)34°C (93°F)34°C (93°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%80%77%77%75%76%79%80%
Barometric pressure1016 hPa1016 hPa1017 hPa1018 hPa1018 hPa1016 hPa1017 hPa1018 hPa
Cloud cover82%38%47%51%58%15%9%76%
Heat index34°C (93°F)33°C (92°F)33°C (91°F)33°C (91°F)33°C (91°F)33°C (92°F)34°C (93°F)34°C (93°F)
Dew point25°C (77°F)25°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)25°C (76°F)25°C (77°F)
Wind
Speed33km/h (21mph)36km/h (22mph)40km/h (25mph)40km/h (25mph)38km/h (24mph)36km/h (23mph)32km/h (20mph)32km/h (20mph)
Gusts48km/h (30mph)47km/h (29mph)45km/h (28mph)43km/h (27mph)39km/h (24mph)38km/h (23mph)38km/h (23mph)39km/h (24mph)
Direction 99°
E
98°
E
115°
ESE
128°
SE
133°
SE
138°
SE
130°
SE
124°
SE
Wind chill29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (84°F)29°C (84°F)29°C (84°F)
Waves
Height0.5m (1.6ft)0.6m (2.0ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2.0ft)0.6m (2.0ft)
Direction 130°
SE
170°
S
170°
S
170°
S
280°
W
280°
W
280°
W
280°
W
Period4.5 sec.6.9 sec.6.7 sec.6.7 sec.6.7 sec.6.7 sec.6.7 sec.6.7 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather on Sunday 20 June 2021

On Sunday 20 June 2021, the sun will rise at 06:39 and will set at 20:18 on the beach(es) of Key West. The outside temperature will be a high of 85°F t and a low of 83°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 21.8mph km/h (with gusts up to 28.6mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (83°F)29°C (83°F)29°C (83°F)28°C (83°F)28°C (82°F)28°C (83°F)29°C (83°F)29°C (83°F)
Perceived temperature33°C (92°F)34°C (92°F)33°C (91°F)33°C (92°F)32°C (90°F)33°C (91°F)33°C (92°F)33°C (92°F)
Precipitation0in0in0in0in0.1in0in0in0in
Humidity79%79%78%81%82%79%78%78%
Barometric pressure1017 hPa1016 hPa1017 hPa1018 hPa1018 hPa1017 hPa1016 hPa1017 hPa
Cloud cover64%77%83%73%74%70%71%48%
Heat index33°C (92°F)34°C (92°F)33°C (91°F)33°C (92°F)32°C (90°F)33°C (91°F)33°C (92°F)33°C (92°F)
Dew point25°C (76°F)25°C (76°F)24°C (76°F)25°C (76°F)25°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)
Wind
Speed31km/h (19mph)32km/h (20mph)32km/h (20mph)35km/h (21mph)26km/h (16mph)28km/h (17mph)22km/h (13mph)12km/h (8mph)
Gusts40km/h (25mph)40km/h (25mph)46km/h (29mph)45km/h (28mph)29km/h (18mph)42km/h (26mph)32km/h (20mph)22km/h (14mph)
Direction 116°
ESE
117°
ESE
133°
SE
142°
SE
165°
SSE
143°
SE
168°
SSE
167°
SSE
Wind chill29°C (83°F)29°C (83°F)29°C (83°F)28°C (83°F)28°C (82°F)28°C (83°F)29°C (83°F)29°C (83°F)
Waves
Height0.5m (1.6ft)0.5m (1.6ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.2m (0.7ft)
Direction 170°
S
180°
S
180°
S
180°
S
280°
W
180°
S
180°
S
110°
ESE
Period6.5 sec.6.4 sec.6.4 sec.6.4 sec.6.4 sec.6.3 sec.6.1 sec.4.2 sec.
Significant height0.8m (2.6ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)0.3m (1ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather on Monday 21 June 2021

On Monday 21 June 2021, the sun will rise at 06:39 and will set at 20:19 on the beach(es) of Key West. The outside temperature will be a high of 85°F t and a low of 83°F. Precipitation is in the forecast (0.4in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 15.5mph km/h (with gusts up to 26.7mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (83°F)29°C (83°F)29°C (83°F)28°C (82°F)28°C (83°F)29°C (83°F)29°C (83°F)29°C (84°F)
Perceived temperature33°C (92°F)33°C (91°F)33°C (91°F)31°C (89°F)32°C (89°F)32°C (90°F)33°C (91°F)33°C (92°F)
Precipitation0in0in0in0.2in0.2in0in0in0in
Humidity78%75%76%75%73%72%73%77%
Barometric pressure1016 hPa1015 hPa1016 hPa1018 hPa1017 hPa1016 hPa1017 hPa1018 hPa
Cloud cover45%77%76%79%84%47%74%39%
Heat index33°C (92°F)33°C (91°F)33°C (91°F)31°C (89°F)32°C (89°F)32°C (90°F)33°C (91°F)33°C (92°F)
Dew point24°C (76°F)24°C (75°F)24°C (75°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)24°C (76°F)
Wind
Speed11km/h (7mph)19km/h (12mph)20km/h (12mph)18km/h (11mph)16km/h (10mph)6km/h (4mph)25km/h (16mph)3km/h (2mph)
Gusts24km/h (15mph)21km/h (13mph)31km/h (19mph)40km/h (25mph)31km/h (19mph)9km/h (6mph)43km/h (27mph)21km/h (13mph)
Direction 136°
SE
130°
SE
125°
SE
136°
SE
144°
SE
189°
S
153°
SSE
187°
S
Wind chill29°C (83°F)29°C (83°F)29°C (83°F)28°C (82°F)28°C (83°F)29°C (83°F)29°C (83°F)29°C (84°F)
Waves
Height0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 140°
SE
180°
S
220°
SW
230°
SW
230°
SW
120°
ESE
230°
SW
140°
SE
Period3.1 sec.5.6 sec.5.1 sec.6.9 sec.6.3 sec.3.4 sec.6.0 sec.2.5 sec.
Significant height0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.2m (0.7ft)0.6m (2ft)0.3m (1ft)
Sea water temperature
Water temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)29°C (85°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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