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
Saturday 10 April 202176°F to 77°Fdiscouraged
Sunday 11 April 202177°F to 79°Fdiscouraged
Monday 12 April 202177°F to 79°Fdiscouraged
Tuesday 13 April 202176°F to 77°Fdiscouraged
Wednesday 14 April 202176°F to 77°Fdiscouraged
Thursday 15 April 202176°F to 79°Fdiscouraged
Friday 16 April 202176°F to 79°Frecommended

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

Sea weather on Saturday 10 April 2021

On Saturday 10 April 2021, the sun will rise at 07:10 and will set at 19:48 on the beach(es) of Key West. The outside temperature will be a high of 77°F t and a low of 76°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 23mph km/h (with gusts up to 34.2mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)
Perceived temperature26°C (79°F)26°C (80°F)26°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%78%79%80%79%79%84%85%
Barometric pressure1014 hPa1013 hPa1014 hPa1014 hPa1012 hPa1011 hPa1011 hPa1012 hPa
Cloud cover11%27%23%14%0%3%5%79%
Heat index26°C (79°F)26°C (80°F)26°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)
Dew point20°C (68°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)22°C (71°F)22°C (72°F)
Wind
Speed36km/h (23mph)37km/h (23mph)36km/h (22mph)33km/h (20mph)31km/h (19mph)34km/h (21mph)33km/h (21mph)22km/h (14mph)
Gusts43km/h (27mph)39km/h (24mph)38km/h (23mph)41km/h (26mph)40km/h (25mph)55km/h (34mph)55km/h (34mph)37km/h (23mph)
Direction 95°
E
127°
SE
132°
SE
143°
SE
132°
SE
138°
SE
151°
SSE
117°
ESE
Wind chill24°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)
Waves
Height0.9m (3.0ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.8m (2.6ft)
Direction 80°
E
80°
E
80°
E
80°
E
80°
E
80°
E
80°
E
80°
E
Period1.0 sec.1.0 sec.1.0 sec.1.0 sec.1.0 sec.1.0 sec.1.0 sec.1.0 sec.
Significant height1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.1m (3.6ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Sunday 11 April 2021

On Sunday 11 April 2021, the sun will rise at 07:09 and will set at 19:48 on the beach(es) of Key West. The outside temperature will be a high of 79°F t and a low of 77°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 19.9mph km/h (with gusts up to 31.1mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (79°F)26°C (79°F)
Perceived temperature27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)29°C (83°F)29°C (84°F)29°C (83°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity86%85%87%88%87%83%81%80%
Barometric pressure1012 hPa1010 hPa1010 hPa1011 hPa1011 hPa1009 hPa1009 hPa1011 hPa
Cloud cover78%78%77%17%73%83%77%71%
Heat index27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)29°C (83°F)29°C (84°F)29°C (83°F)
Dew point22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)
Wind
Speed26km/h (16mph)30km/h (19mph)27km/h (17mph)18km/h (11mph)32km/h (20mph)29km/h (18mph)12km/h (7mph)5km/h (3mph)
Gusts35km/h (22mph)41km/h (26mph)40km/h (25mph)36km/h (23mph)50km/h (31mph)44km/h (27mph)28km/h (18mph)46km/h (29mph)
Direction 124°
SE
127°
SE
130°
SE
164°
SSE
165°
SSE
177°
S
218°
SW
152°
SSE
Wind chill25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (79°F)26°C (79°F)
Waves
Height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)
Direction 80°
E
80°
E
80°
E
80°
E
80°
E
80°
E
160°
SSE
90°
E
Period1.0 sec.1.0 sec.1.0 sec.5.1 sec.5.1 sec.5.1 sec.4.2 sec.4.7 sec.
Significant height1.1m (3.6ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)1.2m (3.9ft)1.2m (3.9ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Monday 12 April 2021

On Monday 12 April 2021, the sun will rise at 07:08 and will set at 19:48 on the beach(es) of Key West. The outside temperature will be a high of 79°F t and a low of 77°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 18.6mph km/h (with gusts up to 25.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (78°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (79°F)26°C (78°F)25°C (77°F)
Perceived temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (83°F)29°C (84°F)29°C (84°F)29°C (83°F)28°C (82°F)
Precipitation0in0.1in0.1in0in0in0in0in0in
Humidity85%87%86%87%86%84%89%87%
Barometric pressure1011 hPa1011 hPa1012 hPa1014 hPa1013 hPa1012 hPa1013 hPa1014 hPa
Cloud cover88%72%73%7%16%12%13%9%
Heat index28°C (82°F)28°C (82°F)28°C (82°F)28°C (83°F)29°C (84°F)29°C (84°F)29°C (83°F)28°C (82°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)23°C (74°F)24°C (74°F)23°C (73°F)
Wind
Speed19km/h (12mph)30km/h (19mph)25km/h (15mph)23km/h (14mph)16km/h (10mph)14km/h (9mph)14km/h (9mph)14km/h (9mph)
Gusts36km/h (22mph)31km/h (19mph)36km/h (22mph)41km/h (25mph)17km/h (11mph)17km/h (11mph)30km/h (19mph)21km/h (13mph)
Direction 150°
SSE
197°
SSW
196°
SSW
216°
SW
230°
SW
213°
SSW
228°
SW
331°
NNW
Wind chill25°C (78°F)25°C (78°F)25°C (77°F)25°C (78°F)26°C (78°F)26°C (79°F)26°C (78°F)25°C (77°F)
Waves
Height0.6m (2.0ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2.0ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)
Direction 160°
SSE
70°
ENE
290°
WNW
260°
W
150°
SSE
150°
SSE
160°
SSE
160°
SSE
Period4.3 sec.4.7 sec.4.7 sec.6.3 sec.4.3 sec.4.0 sec.5.0 sec.4.9 sec.
Significant height0.7m (2.3ft)0.9m (3ft)0.6m (2ft)0.6m (2ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Tuesday 13 April 2021

On Tuesday 13 April 2021, the sun will rise at 07:07 and will set at 19:49 on the beach(es) of Key West. The outside temperature will be a high of 77°F t and a low of 76°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 19.9mph km/h (with gusts up to 25.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)24°C (76°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (76°F)25°C (76°F)24°C (76°F)
Perceived temperature27°C (81°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (80°F)26°C (79°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%86%83%85%81%72%73%71%
Barometric pressure1014 hPa1014 hPa1016 hPa1017 hPa1016 hPa1015 hPa1016 hPa1017 hPa
Cloud cover70%14%16%55%50%11%10%10%
Heat index27°C (81°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (80°F)26°C (79°F)26°C (79°F)
Dew point23°C (73°F)22°C (71°F)22°C (71°F)22°C (71°F)21°C (70°F)19°C (67°F)19°C (67°F)19°C (66°F)
Wind
Speed24km/h (15mph)15km/h (9mph)19km/h (12mph)30km/h (19mph)32km/h (20mph)32km/h (20mph)31km/h (19mph)30km/h (19mph)
Gusts26km/h (16mph)36km/h (22mph)39km/h (24mph)39km/h (24mph)36km/h (22mph)36km/h (22mph)40km/h (25mph)41km/h (26mph)
Direction 16°
NNE
42°
NE
69°
ENE
93°
E
99°
E
100°
E
105°
ESE
91°
E
Wind chill25°C (77°F)24°C (76°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (76°F)25°C (76°F)24°C (76°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.3m (1.0ft)0.6m (2.0ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)
Direction 170°
S
180°
S
180°
S
180°
S
180°
S
180°
S
180°
S
170°
S
Period4.8 sec.5.0 sec.5.2 sec.5.3 sec.4.9 sec.4.7 sec.4.7 sec.4.9 sec.
Significant height0.7m (2.3ft)0.4m (1.3ft)0.5m (1.6ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Wednesday 14 April 2021

On Wednesday 14 April 2021, the sun will rise at 07:06 and will set at 19:49 on the beach(es) of Key West. The outside temperature will be a high of 77°F t and a low of 76°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 21.1mph km/h (with gusts up to 33.6mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (76°F)24°C (76°F)25°C (76°F)25°C (76°F)24°C (76°F)24°C (76°F)25°C (76°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%68%70%72%70%70%72%74%
Barometric pressure1016 hPa1016 hPa1017 hPa1017 hPa1016 hPa1014 hPa1014 hPa1015 hPa
Cloud cover11%7%32%19%19%7%6%7%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)
Dew point19°C (65°F)18°C (65°F)19°C (65°F)19°C (66°F)19°C (66°F)19°C (65°F)19°C (66°F)20°C (67°F)
Wind
Speed33km/h (21mph)34km/h (21mph)32km/h (20mph)29km/h (18mph)26km/h (16mph)29km/h (18mph)28km/h (17mph)27km/h (17mph)
Gusts39km/h (24mph)35km/h (22mph)54km/h (34mph)35km/h (22mph)33km/h (21mph)32km/h (20mph)30km/h (18mph)31km/h (19mph)
Direction 85°
E
112°
ESE
111°
ESE
108°
ESE
111°
ESE
118°
ESE
128°
SE
126°
SE
Wind chill24°C (76°F)24°C (76°F)24°C (76°F)25°C (76°F)25°C (76°F)24°C (76°F)24°C (76°F)25°C (76°F)
Waves
Height0.8m (2.6ft)0.9m (3.0ft)0.9m (3.0ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)
Direction 200°
SSW
170°
S
180°
S
180°
S
170°
S
170°
S
180°
S
170°
S
Period4.6 sec.5.3 sec.5.3 sec.5.3 sec.5.4 sec.5.5 sec.5.7 sec.5.5 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Thursday 15 April 2021

On Thursday 15 April 2021, the sun will rise at 07:05 and will set at 19:50 on the beach(es) of Key West. The outside temperature will be a high of 79°F t and a low of 76°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 15.5mph km/h (with gusts up to 29.2mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (76°F)24°C (76°F)25°C (77°F)25°C (77°F)26°C (78°F)25°C (78°F)25°C (77°F)
Perceived temperature26°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%72%74%73%71%70%75%80%
Barometric pressure1014 hPa1013 hPa1013 hPa1014 hPa1013 hPa1011 hPa1011 hPa1012 hPa
Cloud cover10%11%2%0%0%0%0%0%
Heat index26°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)
Dew point20°C (68°F)19°C (66°F)19°C (67°F)20°C (67°F)20°C (67°F)20°C (67°F)21°C (69°F)21°C (70°F)
Wind
Speed24km/h (15mph)25km/h (16mph)19km/h (12mph)12km/h (7mph)18km/h (11mph)18km/h (11mph)14km/h (9mph)9km/h (6mph)
Gusts46km/h (28mph)47km/h (29mph)22km/h (14mph)22km/h (13mph)40km/h (25mph)32km/h (20mph)15km/h (9mph)23km/h (15mph)
Direction 116°
ESE
132°
SE
141°
SE
101°
E
115°
ESE
163°
SSE
193°
SSW
250°
WSW
Wind chill25°C (76°F)24°C (76°F)24°C (76°F)25°C (77°F)25°C (77°F)26°C (78°F)25°C (78°F)25°C (77°F)
Waves
Height0.7m (2.3ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1.0ft)
Direction 170°
S
170°
S
170°
S
90°
E
180°
S
170°
S
90°
E
90°
E
Period5.4 sec.5.3 sec.5.2 sec.4.8 sec.5.0 sec.5.0 sec.4.5 sec.4.3 sec.
Significant height0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.8m (2.6ft)0.4m (1.3ft)0.4m (1.3ft)0.6m (2ft)0.4m (1.3ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather on Friday 16 April 2021

On Friday 16 April 2021, the sun will rise at 07:04 and will set at 19:50 on the beach(es) of Key West. The outside temperature will be a high of 79°F t and a low of 76°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 9.9mph km/h (with gusts up to 20.5mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (76°F)25°C (76°F)25°C (77°F)26°C (78°F)26°C (79°F)26°C (78°F)25°C (78°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (80°F)27°C (80°F)27°C (81°F)28°C (82°F)28°C (82°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%78%77%77%72%70%75%79%
Barometric pressure1012 hPa1011 hPa1012 hPa1012 hPa1012 hPa1011 hPa1011 hPa1012 hPa
Cloud cover0%0%0%2%0%4%4%3%
Heat index27°C (80°F)26°C (79°F)26°C (80°F)27°C (80°F)27°C (81°F)28°C (82°F)28°C (82°F)27°C (81°F)
Dew point20°C (69°F)20°C (68°F)20°C (69°F)21°C (69°F)20°C (68°F)20°C (68°F)21°C (70°F)21°C (71°F)
Wind
Speed12km/h (7mph)6km/h (4mph)3km/h (2mph)2km/h (1mph)9km/h (6mph)16km/h (10mph)10km/h (6mph)8km/h (5mph)
Gusts33km/h (21mph)28km/h (17mph)11km/h (7mph)19km/h (12mph)12km/h (8mph)27km/h (17mph)19km/h (12mph)20km/h (12mph)
Direction 336°
NNW
343°
NNW
331°
NNW
41°
NE
132°
SE
154°
SSE
155°
SSE
28°
NNE
Wind chill25°C (76°F)24°C (76°F)25°C (76°F)25°C (77°F)26°C (78°F)26°C (79°F)26°C (78°F)25°C (78°F)
Waves
Height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Direction 80°
E
80°
E
80°
E
70°
ENE
70°
ENE
170°
S
180°
S
100°
E
Period4.2 sec.4.1 sec.4.0 sec.3.9 sec.3.7 sec.4.4 sec.4.3 sec.2.4 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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