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
Wednesday 8 January 202559°F to 63°Fdiscouraged
Thursday 9 January 202554°F to 65°Fdiscouraged
Friday 10 January 202563°F to 72°Fdiscouraged
Saturday 11 January 202567°F to 74°Fdiscouraged
Sunday 12 January 202567°F to 70°Fdiscouraged
Monday 13 January 202568°F to 70°Fdiscouraged
Tuesday 14 January 202563°F to 68°Fdiscouraged

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

Sea weather on Wednesday 8 January 2025

On Wednesday 8 January 2025, the sun will rise at 07:13 and will set at 17:55 on the beach(es) of Key West. The outside temperature will be a high of 63°F t and a low of 59°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 16.8mph km/h (with gusts up to 20.5mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (61°F)16°C (60°F)15°C (60°F)15°C (60°F)15°C (59°F)15°C (60°F)16°C (60°F)16°C (62°F)
Perceived temperature16°C (61°F)16°C (60°F)15°C (60°F)15°C (60°F)15°C (59°F)15°C (60°F)16°C (60°F)16°C (62°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%63%75%80%80%81%78%75%
Barometric pressure1022 hPa1021 hPa1021 hPa1023 hPa1023 hPa1020 hPa1021 hPa1021 hPa
Cloud cover11%5%38%92%100%100%94%51%
Heat index16°C (61°F)16°C (60°F)15°C (60°F)15°C (60°F)15°C (59°F)15°C (60°F)16°C (60°F)16°C (62°F)
Dew point9°C (49°F)9°C (48°F)11°C (51°F)12°C (53°F)12°C (53°F)12°C (54°F)12°C (53°F)12°C (54°F)
Wind
Speed24km/h (15mph)23km/h (15mph)27km/h (17mph)27km/h (17mph)21km/h (13mph)23km/h (14mph)22km/h (14mph)24km/h (15mph)
Gusts29km/h (18mph)29km/h (18mph)33km/h (20mph)33km/h (21mph)27km/h (17mph)30km/h (18mph)30km/h (19mph)32km/h (20mph)
Direction 359°
N
10°
N
10°
N

N

N
355°
N
346°
NNW
335°
NNW
Wind chill16°C (61°F)16°C (60°F)15°C (60°F)15°C (60°F)15°C (59°F)15°C (60°F)16°C (60°F)16°C (62°F)
Waves
Height1.0m (3.3ft)0.9m (3.0ft)0.9m (3.0ft)0.8m (2.8ft)0.8m (2.6ft)0.7m (2.5ft)0.7m (2.4ft)0.8m (2.5ft)
Direction 279°
W
278°
W
278°
W
280°
W
278°
W
281°
W
278°
W
333°
NNW
Period7.9 sec.7.9 sec.7.8 sec.7.5 sec.7.3 sec.7.0 sec.6.8 sec.6.7 sec.
Significant height1.3m (4.3ft)1.5m (4.9ft)1.3m (4.3ft)1.1m (3.6ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Thursday 9 January 2025

On Thursday 9 January 2025, the sun will rise at 07:13 and will set at 17:56 on the beach(es) of Key West. The outside temperature will be a high of 65°F t and a low of 54°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 21.8mph km/h (with gusts up to 26.1mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (62°F)17°C (62°F)16°C (61°F)15°C (59°F)13°C (55°F)12°C (54°F)13°C (56°F)18°C (65°F)
Perceived temperature17°C (62°F)17°C (62°F)16°C (61°F)15°C (59°F)10°C (50°F)10°C (50°F)11°C (52°F)18°C (65°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%72%71%62%55%50%42%43%
Barometric pressure1021 hPa1020 hPa1020 hPa1022 hPa1022 hPa1019 hPa1019 hPa1020 hPa
Cloud cover84%97%93%0%0%0%0%0%
Heat index17°C (62°F)17°C (62°F)16°C (61°F)15°C (59°F)13°C (55°F)12°C (54°F)13°C (56°F)18°C (65°F)
Dew point12°C (53°F)12°C (53°F)11°C (52°F)8°C (46°F)4°C (39°F)2°C (36°F)1°C (34°F)5°C (42°F)
Wind
Speed24km/h (15mph)26km/h (16mph)32km/h (20mph)35km/h (22mph)31km/h (19mph)27km/h (17mph)26km/h (16mph)26km/h (16mph)
Gusts30km/h (18mph)32km/h (20mph)40km/h (25mph)42km/h (26mph)34km/h (21mph)27km/h (17mph)29km/h (18mph)35km/h (22mph)
Direction 345°
NNW
345°
NNW
358°
N
11°
N
14°
NNE
20°
NNE
44°
NE
57°
ENE
Wind chill17°C (62°F)17°C (62°F)16°C (61°F)15°C (59°F)10°C (50°F)10°C (50°F)11°C (52°F)18°C (65°F)
Waves
Height0.8m (2.6ft)0.8m (2.6ft)0.9m (3.0ft)1.0m (3.4ft)1.0m (3.4ft)0.9m (3.1ft)0.8m (2.6ft)0.8m (2.5ft)
Direction 328°
NNW
324°
NW
330°
NNW
336°
NNW
332°
NNW
326°
NNW
311°
NW
309°
NW
Period6.8 sec.6.8 sec.6.8 sec.6.8 sec.6.8 sec.6.0 sec.6.2 sec.5.6 sec.
Significant height1.3m (4.3ft)1.3m (4.3ft)1.5m (4.9ft)1.6m (5.2ft)1.6m (5.2ft)0.9m (3ft)0.8m (2.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Friday 10 January 2025

On Friday 10 January 2025, the sun will rise at 07:13 and will set at 17:57 on the beach(es) of Key West. The outside temperature will be a high of 72°F t and a low of 63°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 24.9mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (63°F)17°C (63°F)18°C (65°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (70°F)22°C (72°F)
Perceived temperature17°C (63°F)17°C (63°F)18°C (65°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (70°F)25°C (76°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity52%71%74%67%69%72%73%77%
Barometric pressure1019 hPa1017 hPa1017 hPa1018 hPa1017 hPa1015 hPa1015 hPa1016 hPa
Cloud cover0%26%51%81%82%63%39%50%
Heat index17°C (63°F)17°C (63°F)18°C (65°F)21°C (69°F)24°C (76°F)24°C (76°F)24°C (76°F)25°C (76°F)
Dew point7°C (45°F)12°C (54°F)13°C (56°F)14°C (58°F)15°C (59°F)16°C (61°F)16°C (61°F)18°C (64°F)
Wind
Speed25km/h (16mph)25km/h (16mph)23km/h (15mph)25km/h (15mph)26km/h (16mph)26km/h (16mph)25km/h (15mph)22km/h (13mph)
Gusts33km/h (20mph)32km/h (20mph)31km/h (19mph)33km/h (21mph)37km/h (23mph)38km/h (24mph)40km/h (25mph)32km/h (20mph)
Direction 63°
ENE
76°
ENE
82°
E
108°
ESE
130°
SE
134°
SE
132°
SE
142°
SE
Wind chill17°C (63°F)17°C (63°F)18°C (65°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (70°F)22°C (72°F)
Waves
Height0.7m (2.3ft)0.7m (2.2ft)0.6m (1.9ft)0.5m (1.8ft)0.6m (1.9ft)0.6m (1.8ft)0.5m (1.6ft)0.5m (1.6ft)
Direction 309°
NW
308°
NW
307°
NW
306°
NW
119°
ESE
139°
SE
150°
SSE
162°
SSE
Period5.6 sec.5.6 sec.5.7 sec.5.7 sec.5.6 sec.5.6 sec.5.5 sec.5.4 sec.
Significant height0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Saturday 11 January 2025

On Saturday 11 January 2025, the sun will rise at 07:13 and will set at 17:58 on the beach(es) of Key West. The outside temperature will be a high of 74°F t and a low of 67°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 16.8mph km/h (with gusts up to 23.6mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (72°F)23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)20°C (69°F)
Perceived temperature25°C (76°F)25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)20°C (69°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%80%81%83%82%82%84%92%
Barometric pressure1015 hPa1014 hPa1014 hPa1015 hPa1014 hPa1012 hPa1013 hPa1015 hPa
Cloud cover52%81%87%82%94%24%72%54%
Heat index25°C (76°F)25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)20°C (69°F)
Dew point19°C (66°F)19°C (66°F)19°C (66°F)19°C (67°F)19°C (67°F)19°C (67°F)20°C (68°F)19°C (66°F)
Wind
Speed25km/h (15mph)18km/h (11mph)24km/h (15mph)22km/h (14mph)23km/h (14mph)27km/h (17mph)21km/h (13mph)23km/h (14mph)
Gusts37km/h (23mph)28km/h (17mph)35km/h (22mph)34km/h (21mph)38km/h (24mph)31km/h (19mph)38km/h (24mph)34km/h (21mph)
Direction 160°
SSE
204°
SSW
182°
S
187°
S
207°
SSW
193°
SSW
221°
SW
350°
N
Wind chill22°C (72°F)23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)20°C (69°F)
Waves
Height0.5m (1.6ft)0.4m (1.3ft)0.4m (1.4ft)0.5m (1.5ft)0.5m (1.6ft)0.6m (1.9ft)0.5m (1.7ft)0.9m (2.9ft)
Direction 178°
S
191°
SSW
200°
SSW
200°
SSW
205°
SSW
207°
SSW
218°
SW
347°
NNW
Period5.3 sec.5.2 sec.5.1 sec.5.0 sec.4.9 sec.4.9 sec.4.9 sec.4.4 sec.
Significant height0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (68°F)

Sea weather on Sunday 12 January 2025

On Sunday 12 January 2025, the sun will rise at 07:13 and will set at 17:58 on the beach(es) of Key West. The outside temperature will be a high of 70°F t and a low of 67°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 13.7mph km/h (with gusts up to 18.6mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)20°C (67°F)19°C (66°F)19°C (66°F)21°C (69°F)
Perceived temperature19°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)20°C (67°F)19°C (66°F)19°C (66°F)21°C (69°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%86%83%82%84%85%84%90%
Barometric pressure1015 hPa1014 hPa1015 hPa1017 hPa1018 hPa1016 hPa1017 hPa1018 hPa
Cloud cover42%34%40%59%90%41%14%44%
Heat index19°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)20°C (67°F)19°C (66°F)19°C (66°F)21°C (69°F)
Dew point18°C (64°F)17°C (62°F)16°C (61°F)16°C (61°F)17°C (62°F)16°C (62°F)16°C (61°F)19°C (67°F)
Wind
Speed22km/h (13mph)15km/h (9mph)22km/h (14mph)16km/h (10mph)11km/h (7mph)13km/h (8mph)12km/h (7mph)17km/h (10mph)
Gusts29km/h (18mph)21km/h (13mph)30km/h (19mph)22km/h (14mph)16km/h (10mph)19km/h (12mph)20km/h (12mph)24km/h (15mph)
Direction
N
12°
NNE
21°
NNE
63°
ENE
42°
NE
32°
NNE
44°
NE
60°
ENE
Wind chill19°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)20°C (67°F)19°C (66°F)19°C (66°F)21°C (69°F)
Waves
Height1.0m (3.3ft)1.0m (3.1ft)0.9m (3.1ft)0.8m (2.7ft)0.7m (2.4ft)0.7m (2.2ft)0.6m (2.1ft)0.9m (3.0ft)
Direction 341°
NNW
311°
NW
283°
WNW
278°
W
276°
W
275°
W
277°
W
276°
W
Period5.1 sec.5.2 sec.7.0 sec.7.2 sec.7.2 sec.7.2 sec.7.0 sec.7.0 sec.
Significant height1.1m (3.6ft)0.9m (3ft)1.2m (3.9ft)1.3m (4.3ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.3m (4.3ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Monday 13 January 2025

On Monday 13 January 2025, the sun will rise at 07:13 and will set at 17:59 on the beach(es) of Key West. The outside temperature will be a high of 70°F t and a low of 68°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 19.3mph km/h (with gusts up to 28mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)21°C (69°F)21°C (69°F)20°C (68°F)20°C (67°F)20°C (67°F)20°C (68°F)20°C (69°F)
Perceived temperature21°C (70°F)21°C (69°F)21°C (69°F)20°C (68°F)20°C (67°F)20°C (67°F)20°C (68°F)20°C (69°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%91%91%87%82%77%70%64%
Barometric pressure1018 hPa1019 hPa1020 hPa1022 hPa1022 hPa1021 hPa1022 hPa1023 hPa
Cloud cover81%83%97%91%96%100%90%59%
Heat index21°C (70°F)21°C (69°F)21°C (69°F)20°C (68°F)20°C (67°F)20°C (67°F)20°C (68°F)20°C (69°F)
Dew point19°C (67°F)19°C (67°F)19°C (66°F)18°C (64°F)16°C (62°F)15°C (60°F)14°C (58°F)13°C (56°F)
Wind
Speed16km/h (10mph)18km/h (11mph)22km/h (14mph)26km/h (16mph)27km/h (17mph)28km/h (17mph)30km/h (19mph)31km/h (19mph)
Gusts23km/h (14mph)26km/h (16mph)31km/h (19mph)36km/h (22mph)37km/h (23mph)40km/h (25mph)45km/h (28mph)45km/h (28mph)
Direction 63°
ENE
50°
NE
40°
NE
39°
NE
35°
NE
28°
NNE
21°
NNE
28°
NNE
Wind chill21°C (70°F)21°C (69°F)21°C (69°F)20°C (68°F)20°C (67°F)20°C (67°F)20°C (68°F)20°C (69°F)
Waves
Height0.9m (3.1ft)0.9m (3.0ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)1.0m (3.3ft)1.2m (3.9ft)
Direction 275°
W
272°
W
270°
W
261°
W
257°
WSW
149°
SSE
51°
NE
29°
NNE
Period6.9 sec.6.8 sec.6.8 sec.7.1 sec.7.2 sec.5.0 sec.5.8 sec.6.7 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)1.0m (3.3ft)1.2m (3.9ft)1.3m (4.3ft)
Sea water temperature
Water temperature20°C (68°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Tuesday 14 January 2025

On Tuesday 14 January 2025, the sun will rise at 07:13 and will set at 18:00 on the beach(es) of Key West. The outside temperature will be a high of 68°F t and a low of 63°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 22.4mph km/h (with gusts up to 28mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (68°F)19°C (66°F)19°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (65°F)19°C (65°F)
Perceived temperature20°C (68°F)19°C (66°F)19°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (65°F)19°C (65°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity61%59%58%61%63%54%44%44%
Barometric pressure1023 hPa1023 hPa1023 hPa1025 hPa1025 hPa1024 hPa1024 hPa1025 hPa
Cloud cover35%33%33%26%25%24%14%7%
Heat index20°C (68°F)19°C (66°F)19°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (65°F)19°C (65°F)
Dew point12°C (54°F)11°C (51°F)10°C (50°F)10°C (51°F)10°C (50°F)8°C (46°F)6°C (42°F)6°C (43°F)
Wind
Speed31km/h (19mph)34km/h (21mph)35km/h (22mph)36km/h (22mph)33km/h (21mph)30km/h (19mph)33km/h (21mph)36km/h (22mph)
Gusts42km/h (26mph)44km/h (27mph)45km/h (28mph)45km/h (28mph)45km/h (28mph)44km/h (27mph)40km/h (25mph)45km/h (28mph)
Direction 30°
NNE
26°
NNE
29°
NNE
30°
NNE
26°
NNE
19°
NNE
14°
NNE
23°
NNE
Wind chill20°C (68°F)19°C (66°F)19°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (65°F)19°C (65°F)
Waves
Height1.2m (3.9ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)
Direction 38°
NE
39°
NE
29°
NNE
20°
NNE
16°
NNE
20°
NNE
15°
NNE
15°
NNE
Period6.6 sec.6.4 sec.6.3 sec.6.2 sec.6.3 sec.6.3 sec.4.9 sec.4.2 sec.
Significant height1.2m (3.9ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)1.2m (3.9ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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