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 28 January 202659°F to 65°Fdiscouraged
Thursday 29 January 202658°F to 67°Fdiscouraged
Friday 30 January 202663°F to 67°Fdiscouraged
Saturday 31 January 202661°F to 70°Fnot recommended
Sunday 1 February 202654°F to 59°Fnot recommended
Monday 2 February 202649°F to 58°Fnot recommended
Tuesday 3 February 202658°F to 68°Fdiscouraged

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

Sea weather on Wednesday 28 January 2026

On Wednesday 28 January 2026, the sun will rise at 07:11 and will set at 18:10 on the beach(es) of Key West. The outside temperature will be a high of 65°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 21.8mph km/h (with gusts up to 29.2mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature18°C (64°F)17°C (63°F)16°C (61°F)16°C (60°F)15°C (59°F)15°C (58°F)15°C (58°F)15°C (60°F)
Perceived temperature18°C (64°F)17°C (63°F)16°C (61°F)16°C (60°F)13°C (56°F)12°C (54°F)12°C (54°F)15°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity59%68%74%80%79%75%63%61%
Barometric pressure1024 hPa1022 hPa1023 hPa1024 hPa1024 hPa1023 hPa1023 hPa1025 hPa
Cloud cover13%85%78%100%100%100%39%23%
Heat index18°C (64°F)17°C (63°F)16°C (61°F)16°C (60°F)15°C (59°F)15°C (58°F)15°C (58°F)15°C (60°F)
Dew point9°C (49°F)11°C (53°F)11°C (53°F)12°C (54°F)11°C (52°F)10°C (50°F)8°C (46°F)8°C (46°F)
Wind
Speed27km/h (17mph)28km/h (17mph)27km/h (17mph)28km/h (17mph)25km/h (15mph)35km/h (22mph)35km/h (22mph)34km/h (21mph)
Gusts33km/h (21mph)34km/h (21mph)33km/h (21mph)34km/h (21mph)32km/h (20mph)44km/h (27mph)47km/h (29mph)42km/h (26mph)
Direction 37°
NE
33°
NNE
16°
NNE
12°
NNE
359°
N
338°
NNW
339°
NNW
346°
NNW
Wind chill18°C (64°F)17°C (63°F)16°C (61°F)16°C (60°F)13°C (56°F)12°C (54°F)12°C (54°F)15°C (60°F)
Waves
Height0.9m (3.1ft)0.9m (3.1ft)0.9m (2.9ft)0.9m (2.9ft)0.7m (2.3ft)0.8m (2.5ft)0.9m (3.1ft)0.9m (3.0ft)
Direction 281°
WNW
280°
W
360°
N
359°
N

N
349°
N
334°
NNW
329°
NNW
Period7.8 sec.7.6 sec.7.3 sec.6.9 sec.6.7 sec.6.4 sec.4.4 sec.4.4 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 07:10 and will set at 18:10 on the beach(es) of Key West. The outside temperature will be a high of 67°F t and a low of 58°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 26.7mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)14°C (58°F)17°C (62°F)18°C (64°F)19°C (66°F)
Perceived temperature16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)12°C (54°F)17°C (62°F)18°C (64°F)19°C (66°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity56%53%53%54%55%57%58%64%
Barometric pressure1022 hPa1022 hPa1022 hPa1023 hPa1022 hPa1020 hPa1019 hPa1020 hPa
Cloud cover5%0%10%3%2%88%78%100%
Heat index16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)14°C (58°F)17°C (62°F)18°C (64°F)19°C (66°F)
Dew point7°C (45°F)6°C (43°F)6°C (43°F)6°C (43°F)5°C (42°F)8°C (46°F)9°C (49°F)12°C (54°F)
Wind
Speed22km/h (14mph)36km/h (22mph)33km/h (21mph)33km/h (21mph)26km/h (16mph)24km/h (15mph)22km/h (14mph)23km/h (14mph)
Gusts28km/h (17mph)43km/h (27mph)40km/h (25mph)40km/h (25mph)43km/h (27mph)33km/h (21mph)31km/h (20mph)31km/h (19mph)
Direction 10°
N

N
23°
NNE
28°
NNE
35°
NE
18°
NNE
21°
NNE
41°
NE
Wind chill16°C (60°F)16°C (60°F)16°C (60°F)16°C (60°F)12°C (54°F)17°C (62°F)18°C (64°F)19°C (66°F)
Waves
Height0.7m (2.3ft)0.7m (2.4ft)0.9m (2.8ft)0.8m (2.6ft)0.7m (2.5ft)0.6m (2.0ft)0.5m (1.7ft)0.7m (2.3ft)
Direction 289°
WNW
324°
NW

N
353°
N
29°
NNE
356°
N

N
63°
ENE
Period4.9 sec.5.9 sec.5.8 sec.5.3 sec.5.4 sec.5.5 sec.5.3 sec.4.9 sec.
Significant height0.7m (2.3ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 07:10 and will set at 18:11 on the beach(es) of Key West. The outside temperature will be a high of 67°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 20.5mph km/h (with gusts up to 28mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (66°F)19°C (66°F)19°C (66°F)18°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (65°F)
Perceived temperature19°C (66°F)19°C (66°F)19°C (66°F)18°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (65°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%76%80%83%85%86%81%75%
Barometric pressure1019 hPa1018 hPa1017 hPa1019 hPa1018 hPa1016 hPa1016 hPa1017 hPa
Cloud cover100%100%100%100%100%90%54%3%
Heat index19°C (66°F)19°C (66°F)19°C (66°F)18°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (65°F)
Dew point14°C (57°F)15°C (58°F)15°C (59°F)15°C (60°F)15°C (60°F)15°C (59°F)14°C (58°F)14°C (57°F)
Wind
Speed26km/h (16mph)25km/h (16mph)28km/h (18mph)29km/h (18mph)29km/h (18mph)33km/h (21mph)26km/h (16mph)20km/h (13mph)
Gusts34km/h (21mph)33km/h (20mph)37km/h (23mph)37km/h (23mph)39km/h (24mph)45km/h (28mph)37km/h (23mph)27km/h (17mph)
Direction 54°
NE
44°
NE
29°
NNE

N
359°
N
346°
NNW
352°
N
347°
NNW
Wind chill19°C (66°F)19°C (66°F)19°C (66°F)18°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (65°F)
Waves
Height0.8m (2.6ft)0.8m (2.7ft)0.9m (3.0ft)0.7m (2.3ft)0.7m (2.4ft)0.7m (2.4ft)0.6m (1.9ft)0.4m (1.3ft)
Direction 73°
ENE
77°
ENE
78°
ENE
87°
E
62°
ENE
13°
NNE
50°
NE
47°
NE
Period4.7 sec.4.6 sec.4.5 sec.4.6 sec.5.0 sec.4.8 sec.4.9 sec.4.9 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)1.1m (3.6ft)1.0m (3.3ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 07:10 and will set at 18:12 on the beach(es) of Key West. The outside temperature will be a high of 70°F t and a low of 61°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 32.9mph km/h (with gusts up to 41mph). Wave height will be up to 7.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (66°F)19°C (66°F)19°C (66°F)20°C (68°F)20°C (67°F)19°C (65°F)18°C (64°F)17°C (63°F)
Perceived temperature19°C (66°F)19°C (66°F)19°C (66°F)20°C (68°F)20°C (67°F)19°C (65°F)18°C (64°F)17°C (63°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%60%62%68%74%77%67%68%
Barometric pressure1016 hPa1015 hPa1015 hPa1016 hPa1016 hPa1015 hPa1017 hPa1019 hPa
Cloud cover5%14%23%47%41%100%90%100%
Heat index19°C (66°F)19°C (66°F)19°C (66°F)20°C (68°F)20°C (67°F)19°C (65°F)18°C (64°F)17°C (63°F)
Dew point12°C (54°F)11°C (52°F)12°C (53°F)14°C (57°F)15°C (59°F)14°C (58°F)11°C (53°F)11°C (52°F)
Wind
Speed22km/h (14mph)16km/h (10mph)13km/h (8mph)27km/h (17mph)40km/h (25mph)44km/h (27mph)53km/h (33mph)53km/h (33mph)
Gusts29km/h (18mph)21km/h (13mph)17km/h (11mph)36km/h (22mph)57km/h (36mph)59km/h (37mph)59km/h (37mph)66km/h (41mph)
Direction 336°
NNW
327°
NNW
284°
WNW
255°
WSW
311°
NW
319°
NW
313°
NW
314°
NW
Wind chill19°C (66°F)19°C (66°F)19°C (66°F)20°C (68°F)20°C (67°F)19°C (65°F)18°C (64°F)17°C (63°F)
Waves
Height0.4m (1.3ft)0.4m (1.2ft)0.4m (1.5ft)0.7m (2.4ft)1.0m (3.2ft)1.4m (4.7ft)2.0m (6.6ft)2.2m (7.2ft)
Direction 94°
E
93°
E
299°
WNW
287°
WNW
280°
W
290°
WNW
283°
WNW
272°
W
Period4.9 sec.4.8 sec.4.7 sec.4.5 sec.4.4 sec.4.3 sec.4.3 sec.4.3 sec.
Significant height0.6m (2ft)0.6m (2ft)0.8m (2.6ft)1.2m (3.9ft)1.2m (3.9ft)1.6m (5.2ft)2.1m (6.9ft)2.2m (7.2ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 07:09 and will set at 18:13 on the beach(es) of Key West. The outside temperature will be a high of 59°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! Be careful, the sea will be generally rough with a wind speed of up to 36mph km/h (with gusts up to 43.5mph). Wave height will be up to 7.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (60°F)14°C (56°F)12°C (54°F)12°C (53°F)13°C (55°F)13°C (55°F)13°C (56°F)14°C (57°F)
Perceived temperature15°C (60°F)10°C (50°F)9°C (48°F)8°C (47°F)10°C (49°F)9°C (49°F)10°C (50°F)11°C (52°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%70%71%71%60%59%57%55%
Barometric pressure1020 hPa1021 hPa1022 hPa1025 hPa1026 hPa1024 hPa1026 hPa1027 hPa
Cloud cover100%100%100%100%100%100%93%77%
Heat index15°C (60°F)14°C (56°F)12°C (54°F)12°C (53°F)13°C (55°F)13°C (55°F)13°C (56°F)14°C (57°F)
Dew point9°C (48°F)8°C (47°F)7°C (45°F)7°C (44°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)
Wind
Speed58km/h (36mph)55km/h (34mph)50km/h (31mph)46km/h (29mph)45km/h (28mph)45km/h (28mph)47km/h (29mph)44km/h (28mph)
Gusts70km/h (44mph)64km/h (40mph)60km/h (37mph)55km/h (34mph)55km/h (34mph)53km/h (33mph)57km/h (35mph)52km/h (32mph)
Direction 315°
NW
322°
NW
330°
NNW
331°
NNW
329°
NNW
328°
NNW
333°
NNW
337°
NNW
Wind chill15°C (60°F)10°C (50°F)9°C (48°F)8°C (47°F)10°C (49°F)9°C (49°F)10°C (50°F)11°C (52°F)
Waves
Height2.4m (7.8ft)2.3m (7.7ft)2.2m (7.2ft)2.1m (6.8ft)1.9m (6.1ft)1.8m (5.8ft)1.6m (5.3ft)1.6m (5.1ft)
Direction 276°
W
255°
WSW
253°
WSW
253°
WSW
252°
WSW
252°
WSW
252°
WSW
253°
WSW
Period4.3 sec.4.3 sec.10.2 sec.10.4 sec.10.4 sec.10.2 sec.10.1 sec.9.7 sec.
Significant height2.3m (7.5ft)2.1m (6.9ft)1.8m (5.9ft)1.7m (5.6ft)1.5m (4.9ft)1.5m (4.9ft)2.0m (6.6ft)1.3m (4.3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 07:09 and will set at 18:13 on the beach(es) of Key West. The outside temperature will be a high of 58°F t and a low of 49°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! Be careful, the sea will be generally rough with a wind speed of up to 25.5mph km/h (with gusts up to 29.2mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)14°C (56°F)13°C (56°F)13°C (55°F)11°C (52°F)9°C (49°F)9°C (48°F)12°C (54°F)
Perceived temperature11°C (53°F)11°C (52°F)11°C (52°F)10°C (50°F)9°C (48°F)6°C (43°F)5°C (42°F)10°C (49°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity53%55%57%66%67%67%63%58%
Barometric pressure1027 hPa1027 hPa1027 hPa1030 hPa1030 hPa1028 hPa1028 hPa1028 hPa
Cloud cover100%44%65%80%51%11%0%1%
Heat index14°C (57°F)14°C (56°F)13°C (56°F)13°C (55°F)11°C (52°F)9°C (49°F)9°C (48°F)12°C (54°F)
Dew point5°C (41°F)5°C (41°F)5°C (41°F)6°C (43°F)6°C (42°F)4°C (38°F)2°C (36°F)4°C (39°F)
Wind
Speed41km/h (25mph)35km/h (22mph)33km/h (21mph)30km/h (19mph)24km/h (15mph)23km/h (14mph)25km/h (16mph)24km/h (15mph)
Gusts47km/h (29mph)41km/h (25mph)39km/h (24mph)35km/h (22mph)30km/h (19mph)28km/h (18mph)29km/h (18mph)29km/h (18mph)
Direction 340°
NNW
346°
NNW
352°
N
128°
SE
16°
NNE
11°
NNE

N
22°
NNE
Wind chill11°C (53°F)11°C (52°F)11°C (52°F)10°C (50°F)9°C (48°F)6°C (43°F)5°C (42°F)10°C (49°F)
Waves
Height1.5m (4.8ft)1.4m (4.6ft)1.4m (4.5ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)
Direction 253°
WSW
254°
WSW
255°
WSW
254°
WSW
254°
WSW
254°
WSW
302°
WNW
329°
NNW
Period9.4 sec.9.0 sec.8.7 sec.8.4 sec.8.2 sec.7.9 sec.7.8 sec.7.5 sec.
Significant height1.5m (4.9ft)1.8m (5.9ft)1.7m (5.6ft)1.6m (5.2ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather on Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 07:08 and will set at 18:14 on the beach(es) of Key West. The outside temperature will be a high of 68°F t and a low of 58°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 21.8mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)14°C (58°F)14°C (57°F)15°C (58°F)15°C (59°F)16°C (61°F)18°C (64°F)19°C (67°F)
Perceived temperature13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)15°C (59°F)16°C (61°F)18°C (64°F)19°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity50%43%44%54%63%64%63%64%
Barometric pressure1028 hPa1027 hPa1027 hPa1028 hPa1027 hPa1025 hPa1024 hPa1024 hPa
Cloud cover1%0%1%3%56%92%97%92%
Heat index14°C (58°F)14°C (58°F)14°C (57°F)15°C (58°F)15°C (59°F)16°C (61°F)18°C (64°F)19°C (67°F)
Dew point4°C (39°F)2°C (35°F)2°C (35°F)5°C (41°F)8°C (47°F)10°C (49°F)11°C (52°F)12°C (54°F)
Wind
Speed23km/h (15mph)22km/h (14mph)19km/h (12mph)19km/h (12mph)21km/h (13mph)19km/h (12mph)21km/h (13mph)25km/h (15mph)
Gusts29km/h (18mph)27km/h (17mph)24km/h (15mph)24km/h (15mph)27km/h (17mph)26km/h (16mph)29km/h (18mph)35km/h (22mph)
Direction 47°
NE
59°
ENE
60°
ENE
56°
NE
53°
NE
51°
NE
60°
ENE
79°
E
Wind chill13°C (55°F)13°C (55°F)13°C (55°F)13°C (56°F)15°C (59°F)16°C (61°F)18°C (64°F)19°C (67°F)
Waves
Height1.0m (3.3ft)0.9m (3.0ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2.0ft)0.5m (1.6ft)0.7m (2.3ft)
Direction 311°
NW
275°
W
297°
WNW
319°
NW
287°
WNW
270°
W
273°
W
141°
SE
Period7.3 sec.7.2 sec.7.0 sec.6.8 sec.6.6 sec.6.4 sec.6.2 sec.6.1 sec.
Significant height1.3m (4.3ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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