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

All the essential weather information for enjoying the beach in Key Largo 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 Largo over the next 7 days?

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

Date Outside temp. Our opinion
Friday 12 December 202572°F to 74°Fdiscouraged
Saturday 13 December 202574°F to 76°Fdiscouraged
Sunday 14 December 202570°F to 74°Fdiscouraged
Monday 15 December 202572°F to 74°Fdiscouraged
Tuesday 16 December 202572°F to 74°Fdiscouraged
Wednesday 17 December 202572°F to 74°Fdiscouraged
Thursday 18 December 202574°F to 76°Fdiscouraged

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

Sea weather on Friday 12 December 2025

On Friday 12 December 2025, the sun will rise at 06:58 and will set at 17:34 on the beach(es) of Key Largo. The outside temperature will be a high of 74°F t and a low of 72°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 14.3mph km/h (with gusts up to 20.5mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity56%61%65%66%70%67%68%71%
Barometric pressure1018 hPa1017 hPa1018 hPa1020 hPa1019 hPa1017 hPa1018 hPa1019 hPa
Cloud cover0%16%55%73%61%27%24%28%
Heat index25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)
Dew point14°C (56°F)15°C (58°F)15°C (60°F)16°C (61°F)17°C (62°F)16°C (60°F)16°C (61°F)17°C (63°F)
Wind
Speed12km/h (7mph)15km/h (10mph)16km/h (10mph)23km/h (14mph)17km/h (11mph)21km/h (13mph)19km/h (12mph)23km/h (14mph)
Gusts16km/h (10mph)20km/h (13mph)21km/h (13mph)30km/h (18mph)24km/h (15mph)33km/h (20mph)31km/h (19mph)33km/h (20mph)
Direction 42°
NE
40°
NE
54°
NE
81°
E
73°
ENE
81°
E
72°
ENE
78°
ENE
Wind chill23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)
Waves
Height0.3m (1.1ft)0.4m (1.2ft)0.4m (1.3ft)0.5m (1.7ft)0.7m (2.2ft)0.6m (2.1ft)0.7m (2.2ft)0.7m (2.3ft)
Direction 20°
NNE
19°
NNE
44°
NE
55°
NE
57°
ENE
56°
NE
60°
ENE
63°
ENE
Period9.4 sec.6.3 sec.6.5 sec.7.3 sec.7.4 sec.7.2 sec.7.2 sec.7.1 sec.
Significant height0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)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 13 December 2025

On Saturday 13 December 2025, the sun will rise at 06:58 and will set at 17:34 on the beach(es) of Key Largo. The outside temperature will be a high of 76°F t and a low of 74°F. Precipitation is in the forecast (0.1in 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 17.4mph km/h (with gusts up to 28.6mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)24°C (74°F)24°C (74°F)24°C (74°F)23°C (74°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity74%73%76%80%80%82%84%86%
Barometric pressure1019 hPa1019 hPa1019 hPa1020 hPa1019 hPa1017 hPa1017 hPa1018 hPa
Cloud cover75%80%79%77%98%89%64%64%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)
Dew point18°C (65°F)18°C (65°F)19°C (66°F)20°C (67°F)20°C (68°F)20°C (69°F)21°C (69°F)21°C (70°F)
Wind
Speed23km/h (14mph)22km/h (14mph)22km/h (14mph)24km/h (15mph)24km/h (15mph)27km/h (17mph)28km/h (18mph)25km/h (15mph)
Gusts32km/h (20mph)31km/h (20mph)32km/h (20mph)34km/h (21mph)37km/h (23mph)42km/h (26mph)46km/h (28mph)25km/h (16mph)
Direction 80°
E
92°
E
89°
E
82°
E
62°
ENE
74°
ENE
78°
ENE
85°
E
Wind chill23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)24°C (74°F)24°C (74°F)24°C (74°F)23°C (74°F)
Waves
Height0.7m (2.5ft)0.7m (2.4ft)0.7m (2.5ft)0.8m (2.6ft)0.8m (2.7ft)0.8m (2.8ft)1.0m (3.3ft)1.0m (3.4ft)
Direction 65°
ENE
61°
ENE
67°
ENE
73°
ENE
74°
ENE
68°
ENE
71°
ENE
77°
ENE
Period7.0 sec.6.8 sec.6.7 sec.6.6 sec.6.6 sec.6.6 sec.6.6 sec.6.6 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (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 Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:59 and will set at 17:35 on the beach(es) of Key Largo. The outside temperature will be a high of 74°F t and a low of 70°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 13.1mph km/h (with gusts up to 19.9mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (72°F)22°C (71°F)22°C (71°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (74°F)
Perceived temperature25°C (76°F)22°C (71°F)22°C (71°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (78°F)
Precipitation0.3in0.1in0in0in0in0in0in0in
Humidity92%89%89%83%82%78%79%78%
Barometric pressure1018 hPa1018 hPa1018 hPa1018 hPa1018 hPa1016 hPa1017 hPa1018 hPa
Cloud cover65%76%100%59%31%87%89%45%
Heat index25°C (76°F)24°C (76°F)24°C (76°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (78°F)
Dew point21°C (70°F)20°C (68°F)20°C (67°F)20°C (67°F)19°C (66°F)18°C (65°F)19°C (66°F)19°C (67°F)
Wind
Speed12km/h (7mph)6km/h (4mph)12km/h (7mph)14km/h (9mph)12km/h (7mph)2km/h (1mph)12km/h (7mph)21km/h (13mph)
Gusts25km/h (15mph)9km/h (5mph)21km/h (13mph)19km/h (12mph)17km/h (11mph)3km/h (2mph)19km/h (12mph)32km/h (20mph)
Direction 93°
E
349°
NNW
40°
NE
70°
ENE
14°
NNE
336°
NNW
261°
W

N
Wind chill22°C (72°F)22°C (71°F)22°C (71°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (74°F)
Waves
Height1.0m (3.1ft)0.8m (2.6ft)0.6m (2.1ft)0.5m (1.7ft)0.5m (1.5ft)0.4m (1.4ft)0.4m (1.3ft)0.7m (2.3ft)
Direction 77°
ENE
80°
E
82°
E
83°
E
78°
ENE
65°
ENE
57°
ENE
37°
NE
Period5.0 sec.4.8 sec.4.6 sec.4.3 sec.4.3 sec.4.5 sec.4.4 sec.4.3 sec.
Significant height1.4m (4.6ft)1.2m (3.9ft)1.0m (3.3ft)0.8m (2.6ft)0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.9m (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 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:59 and will set at 17:35 on the beach(es) of Key Largo. The outside temperature will be a high of 74°F t and a low of 72°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 32.3mph). Wave height will be up to 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (74°F)22°C (72°F)22°C (72°F)23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)
Perceived temperature25°C (78°F)25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (76°F)25°C (76°F)25°C (76°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%77%77%75%76%76%76%76%
Barometric pressure1018 hPa1018 hPa1019 hPa1020 hPa1020 hPa1019 hPa1020 hPa1020 hPa
Cloud cover82%80%75%78%88%53%97%70%
Heat index25°C (78°F)25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (76°F)25°C (76°F)25°C (76°F)
Dew point20°C (67°F)19°C (66°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)18°C (64°F)
Wind
Speed27km/h (17mph)28km/h (17mph)35km/h (21mph)33km/h (21mph)33km/h (20mph)34km/h (21mph)35km/h (22mph)35km/h (22mph)
Gusts38km/h (24mph)40km/h (25mph)47km/h (29mph)46km/h (29mph)48km/h (30mph)50km/h (31mph)52km/h (32mph)48km/h (30mph)
Direction 33°
NNE
24°
NNE
15°
NNE
24°
NNE
54°
NE
63°
ENE
57°
ENE
61°
ENE
Wind chill23°C (74°F)23°C (74°F)22°C (72°F)22°C (72°F)23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)
Waves
Height0.9m (3.1ft)1.1m (3.6ft)1.3m (4.2ft)1.5m (4.9ft)1.8m (5.9ft)1.8m (6.0ft)1.9m (6.1ft)1.9m (6.4ft)
Direction 30°
NNE
26°
NNE
26°
NNE
28°
NNE
35°
NE
41°
NE
45°
NE
45°
NE
Period4.3 sec.4.3 sec.4.3 sec.4.3 sec.4.3 sec.4.3 sec.4.3 sec.4.3 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)1.3m (4.3ft)1.5m (4.9ft)1.3m (4.3ft)1.3m (4.3ft)1.4m (4.6ft)
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 Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 07:00 and will set at 17:35 on the beach(es) of Key Largo. The outside temperature will be a high of 74°F t and a low of 72°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 31.7mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (72°F)22°C (72°F)22°C (72°F)23°C (73°F)22°C (72°F)22°C (71°F)22°C (72°F)22°C (72°F)
Perceived temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (76°F)22°C (71°F)25°C (76°F)25°C (76°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%74%74%72%74%73%69%66%
Barometric pressure1020 hPa1019 hPa1019 hPa1021 hPa1021 hPa1019 hPa1020 hPa1022 hPa
Cloud cover87%63%78%84%66%84%75%67%
Heat index25°C (76°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)
Dew point18°C (64°F)18°C (64°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (62°F)16°C (61°F)16°C (60°F)
Wind
Speed32km/h (20mph)30km/h (18mph)30km/h (19mph)31km/h (19mph)32km/h (20mph)36km/h (22mph)35km/h (22mph)33km/h (21mph)
Gusts46km/h (28mph)40km/h (25mph)42km/h (26mph)43km/h (27mph)46km/h (28mph)51km/h (32mph)51km/h (32mph)46km/h (29mph)
Direction 69°
ENE
67°
ENE
67°
ENE
68°
ENE
64°
ENE
63°
ENE
59°
ENE
67°
ENE
Wind chill22°C (72°F)22°C (72°F)22°C (72°F)23°C (73°F)22°C (72°F)22°C (71°F)22°C (72°F)22°C (72°F)
Waves
Height1.7m (5.5ft)1.4m (4.7ft)1.2m (3.9ft)1.0m (3.3ft)0.9m (3.0ft)1.0m (3.2ft)1.0m (3.4ft)1.0m (3.2ft)
Direction 45°
NE
54°
NE
57°
ENE
58°
ENE
58°
ENE
50°
NE
44°
NE
85°
E
Period4.3 sec.4.3 sec.9.1 sec.9.0 sec.8.9 sec.8.9 sec.8.9 sec.5.4 sec.
Significant height1.2m (3.9ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)
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 Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 07:01 and will set at 17:36 on the beach(es) of Key Largo. The outside temperature will be a high of 74°F t and a low of 72°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 28.6mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)22°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)
Perceived temperature25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity62%64%69%66%67%70%73%74%
Barometric pressure1021 hPa1020 hPa1021 hPa1022 hPa1021 hPa1019 hPa1020 hPa1021 hPa
Cloud cover23%40%65%22%22%19%21%39%
Heat index25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)
Dew point15°C (59°F)15°C (59°F)16°C (62°F)16°C (61°F)16°C (61°F)17°C (62°F)17°C (63°F)18°C (65°F)
Wind
Speed30km/h (18mph)27km/h (17mph)23km/h (14mph)24km/h (15mph)24km/h (15mph)25km/h (15mph)27km/h (17mph)31km/h (19mph)
Gusts40km/h (25mph)36km/h (23mph)32km/h (20mph)33km/h (21mph)35km/h (22mph)40km/h (25mph)45km/h (28mph)46km/h (29mph)
Direction 68°
ENE
72°
ENE
76°
ENE
73°
ENE
76°
ENE
81°
E
80°
E
76°
ENE
Wind chill23°C (73°F)22°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)
Waves
Height0.9m (3.1ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.0ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3.0ft)0.9m (3.0ft)
Direction 87°
E
89°
E
93°
E
96°
E
111°
ESE
118°
ESE
118°
ESE
105°
ESE
Period5.6 sec.5.6 sec.5.7 sec.5.7 sec.5.7 sec.5.7 sec.5.7 sec.5.7 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°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 18 December 2025

On Thursday 18 December 2025, the sun will rise at 07:01 and will set at 17:36 on the beach(es) of Key Largo. The outside temperature will be a high of 76°F t and a low of 74°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 20.5mph km/h (with gusts up to 28.6mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)24°C (74°F)24°C (75°F)24°C (75°F)23°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)
Perceived temperature25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)
Precipitation0in0in0in0in0.1in0.1in0.1in0in
Humidity76%80%82%83%85%85%85%85%
Barometric pressure1020 hPa1019 hPa1019 hPa1021 hPa1020 hPa1019 hPa1019 hPa1020 hPa
Cloud cover32%38%25%27%30%27%39%54%
Heat index25°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)
Dew point19°C (66°F)20°C (68°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)
Wind
Speed29km/h (18mph)24km/h (15mph)25km/h (15mph)28km/h (17mph)30km/h (18mph)31km/h (19mph)33km/h (20mph)33km/h (21mph)
Gusts41km/h (26mph)36km/h (22mph)38km/h (23mph)43km/h (27mph)35km/h (22mph)32km/h (20mph)35km/h (22mph)46km/h (28mph)
Direction 79°
ENE
66°
ENE
63°
ENE
74°
ENE
83°
E
81°
E
82°
E
87°
E
Wind chill23°C (74°F)24°C (74°F)24°C (75°F)24°C (75°F)23°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)
Waves
Height1.0m (3.3ft)1.0m (3.3ft)0.9m (3.0ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.6ft)
Direction 97°
E
101°
ESE
107°
ESE
113°
ESE
110°
ESE
111°
ESE
108°
ESE
106°
ESE
Period5.7 sec.5.4 sec.5.2 sec.5.2 sec.5.2 sec.4.9 sec.4.8 sec.4.6 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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