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
Saturday 18 July 202681°F to 86°Fdiscouraged
Sunday 19 July 202683°F to 85°Fdiscouraged
Monday 20 July 202685°F to 86°Fdiscouraged
Tuesday 21 July 202681°F to 85°Fdiscouraged
Wednesday 22 July 202683°F to 86°Fdiscouraged
Thursday 23 July 202679°F to 86°Fdiscouraged
Friday 24 July 202685°F to 85°Frecommended

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

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 06:43 and will set at 20:13 on the beach(es) of Key Largo. The outside temperature will be a high of 86°F t and a low of 81°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 20.5mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (84°F)29°C (84°F)30°C (85°F)30°C (85°F)29°C (84°F)27°C (81°F)29°C (85°F)29°C (84°F)
Perceived temperature34°C (93°F)33°C (92°F)34°C (93°F)33°C (92°F)33°C (91°F)29°C (85°F)33°C (92°F)33°C (92°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%73%71%67%67%66%71%72%
Barometric pressure1018 hPa1018 hPa1018 hPa1019 hPa1019 hPa1017 hPa1016 hPa1017 hPa
Cloud cover34%68%51%77%83%12%37%44%
Heat index34°C (93°F)33°C (92°F)34°C (93°F)33°C (92°F)33°C (91°F)29°C (85°F)33°C (92°F)33°C (92°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)23°C (73°F)22°C (72°F)20°C (69°F)23°C (74°F)23°C (74°F)
Wind
Speed17km/h (11mph)19km/h (12mph)24km/h (15mph)25km/h (16mph)19km/h (12mph)14km/h (9mph)16km/h (10mph)21km/h (13mph)
Gusts23km/h (14mph)25km/h (16mph)31km/h (19mph)33km/h (20mph)29km/h (18mph)29km/h (18mph)22km/h (14mph)28km/h (17mph)
Direction 151°
SSE
155°
SSE
149°
SSE
149°
SSE
164°
SSE
165°
SSE
134°
SE
115°
ESE
Wind chill29°C (84°F)29°C (84°F)30°C (85°F)30°C (85°F)29°C (84°F)27°C (81°F)29°C (85°F)29°C (84°F)
Waves
Height0.2m (0.7ft)0.4m (1.2ft)0.5m (1.6ft)0.7m (2.2ft)0.6m (2.0ft)0.5m (1.7ft)0.4m (1.5ft)0.5m (1.5ft)
Direction 128°
SE
134°
SE
131°
SE
134°
SE
135°
SE
133°
SE
132°
SE
131°
SE
Period3.5 sec.3.5 sec.3.6 sec.3.6 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 06:43 and will set at 20:13 on the beach(es) of Key Largo. 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 18mph km/h (with gusts up to 23.6mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (85°F)29°C (85°F)29°C (85°F)29°C (84°F)28°C (83°F)29°C (84°F)28°C (83°F)29°C (85°F)
Perceived temperature34°C (93°F)33°C (92°F)32°C (90°F)32°C (90°F)31°C (88°F)32°C (89°F)31°C (88°F)33°C (91°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%68%64%66%67%67%66%67%
Barometric pressure1016 hPa1015 hPa1016 hPa1017 hPa1017 hPa1015 hPa1015 hPa1016 hPa
Cloud cover55%88%47%47%28%18%4%0%
Heat index34°C (93°F)33°C (92°F)32°C (90°F)32°C (90°F)31°C (88°F)32°C (89°F)31°C (88°F)33°C (91°F)
Dew point24°C (75°F)23°C (73°F)22°C (71°F)22°C (72°F)22°C (71°F)22°C (72°F)21°C (70°F)22°C (72°F)
Wind
Speed28km/h (17mph)29km/h (18mph)23km/h (14mph)21km/h (13mph)18km/h (11mph)15km/h (9mph)13km/h (8mph)18km/h (11mph)
Gusts37km/h (23mph)38km/h (24mph)31km/h (19mph)27km/h (17mph)27km/h (17mph)22km/h (14mph)21km/h (13mph)25km/h (15mph)
Direction 127°
SE
145°
SE
148°
SSE
150°
SSE
150°
SSE
152°
SSE
132°
SE
105°
ESE
Wind chill29°C (85°F)29°C (85°F)29°C (85°F)29°C (84°F)28°C (83°F)29°C (84°F)28°C (83°F)29°C (85°F)
Waves
Height0.7m (2.3ft)0.8m (2.6ft)0.7m (2.4ft)0.6m (2.1ft)0.5m (1.8ft)0.5m (1.5ft)0.4m (1.2ft)0.3m (1.1ft)
Direction 126°
SE
137°
SE
140°
SE
138°
SE
135°
SE
131°
SE
132°
SE
131°
SE
Period3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.
Significant height0.9m (3ft)1.0m (3.3ft)0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 06:43 and will set at 20:12 on the beach(es) of Key Largo. The outside temperature will be a high of 86°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 13.7mph km/h (with gusts up to 18mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (85°F)29°C (84°F)30°C (85°F)30°C (85°F)29°C (84°F)30°C (85°F)29°C (84°F)30°C (85°F)
Perceived temperature33°C (92°F)33°C (92°F)34°C (93°F)34°C (92°F)33°C (91°F)33°C (91°F)32°C (89°F)33°C (92°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%72%69%68%67%65%65%65%
Barometric pressure1015 hPa1014 hPa1015 hPa1017 hPa1017 hPa1016 hPa1015 hPa1016 hPa
Cloud cover34%36%68%77%53%63%13%3%
Heat index33°C (92°F)33°C (92°F)34°C (93°F)34°C (92°F)33°C (91°F)33°C (91°F)32°C (89°F)33°C (92°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)22°C (72°F)22°C (72°F)21°C (71°F)22°C (72°F)
Wind
Speed22km/h (14mph)22km/h (14mph)22km/h (13mph)22km/h (13mph)18km/h (11mph)15km/h (9mph)15km/h (9mph)17km/h (11mph)
Gusts29km/h (18mph)29km/h (18mph)28km/h (17mph)29km/h (18mph)27km/h (17mph)21km/h (13mph)23km/h (14mph)24km/h (15mph)
Direction 142°
SE
142°
SE
142°
SE
144°
SE
151°
SSE
150°
SSE
129°
SE
119°
ESE
Wind chill29°C (85°F)29°C (84°F)30°C (85°F)30°C (85°F)29°C (84°F)30°C (85°F)29°C (84°F)30°C (85°F)
Waves
Height0.5m (1.5ft)0.5m (1.8ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.5ft)0.4m (1.3ft)0.4m (1.2ft)0.4m (1.2ft)
Direction 127°
SE
128°
SE
132°
SE
131°
SE
129°
SE
128°
SE
129°
SE
129°
SE
Period3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 06:44 and will set at 20:12 on the beach(es) of Key Largo. The outside temperature will be a high of 85°F t and a low of 81°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 14.9mph km/h (with gusts up to 19.9mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (85°F)29°C (84°F)29°C (85°F)29°C (84°F)29°C (83°F)27°C (81°F)29°C (83°F)29°C (85°F)
Perceived temperature33°C (92°F)33°C (92°F)33°C (92°F)33°C (92°F)32°C (89°F)29°C (83°F)31°C (88°F)32°C (90°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%73%70%74%69%63%63%65%
Barometric pressure1016 hPa1015 hPa1016 hPa1017 hPa1017 hPa1016 hPa1016 hPa1017 hPa
Cloud cover46%60%88%76%49%2%0%0%
Heat index33°C (92°F)33°C (92°F)33°C (92°F)33°C (92°F)32°C (89°F)29°C (83°F)31°C (88°F)32°C (90°F)
Dew point23°C (74°F)24°C (75°F)23°C (74°F)24°C (75°F)22°C (72°F)19°C (67°F)21°C (69°F)22°C (72°F)
Wind
Speed22km/h (14mph)24km/h (15mph)22km/h (13mph)21km/h (13mph)17km/h (11mph)15km/h (10mph)18km/h (11mph)23km/h (14mph)
Gusts29km/h (18mph)31km/h (19mph)28km/h (18mph)28km/h (17mph)25km/h (15mph)30km/h (19mph)28km/h (18mph)32km/h (20mph)
Direction 114°
ESE
129°
SE
129°
SE
131°
SE
124°
ESE
105°
ESE
93°
E
100°
E
Wind chill29°C (85°F)29°C (84°F)29°C (85°F)29°C (84°F)29°C (83°F)27°C (81°F)29°C (83°F)29°C (85°F)
Waves
Height0.5m (1.6ft)0.6m (1.9ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (1.8ft)0.5m (1.6ft)0.4m (1.4ft)0.4m (1.4ft)
Direction 124°
SE
129°
SE
135°
SE
137°
SE
135°
SE
133°
SE
132°
SE
129°
SE
Period3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 06:44 and will set at 20:12 on the beach(es) of Key Largo. The outside temperature will be a high of 86°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 14.9mph km/h (with gusts up to 24.2mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature30°C (85°F)29°C (85°F)29°C (84°F)29°C (84°F)29°C (83°F)29°C (84°F)29°C (84°F)29°C (85°F)
Perceived temperature34°C (94°F)33°C (92°F)33°C (91°F)33°C (91°F)32°C (90°F)33°C (92°F)32°C (89°F)34°C (93°F)
Precipitation0in0.1in0in0in0in0in0in0in
Humidity72%71%70%69%72%71%66%71%
Barometric pressure1016 hPa1016 hPa1016 hPa1017 hPa1018 hPa1017 hPa1016 hPa1016 hPa
Cloud cover49%75%59%35%66%42%0%5%
Heat index34°C (94°F)33°C (92°F)33°C (91°F)33°C (91°F)32°C (90°F)33°C (92°F)32°C (89°F)34°C (93°F)
Dew point24°C (75°F)24°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)22°C (71°F)24°C (75°F)
Wind
Speed19km/h (12mph)21km/h (13mph)23km/h (14mph)18km/h (11mph)15km/h (9mph)17km/h (11mph)21km/h (13mph)24km/h (15mph)
Gusts25km/h (16mph)33km/h (20mph)39km/h (24mph)23km/h (14mph)22km/h (13mph)24km/h (15mph)33km/h (21mph)32km/h (20mph)
Direction 92°
E
134°
SE
111°
ESE
115°
ESE
87°
E
98°
E
81°
E
86°
E
Wind chill30°C (85°F)29°C (85°F)29°C (84°F)29°C (84°F)29°C (83°F)29°C (84°F)29°C (84°F)29°C (85°F)
Waves
Height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.5ft)0.5m (1.6ft)0.4m (1.5ft)0.5m (1.5ft)0.4m (1.4ft)0.4m (1.3ft)
Direction 126°
SE
126°
SE
136°
SE
136°
SE
133°
SE
130°
SE
129°
SE
126°
SE
Period3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.
Significant height0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.6m (2ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 06:45 and will set at 20:11 on the beach(es) of Key Largo. The outside temperature will be a high of 86°F t and a low of 79°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 14.9mph km/h (with gusts up to 22.4mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature30°C (86°F)29°C (85°F)29°C (84°F)29°C (84°F)27°C (80°F)27°C (80°F)29°C (83°F)30°C (85°F)
Perceived temperature33°C (92°F)34°C (93°F)33°C (91°F)33°C (91°F)29°C (85°F)29°C (85°F)32°C (89°F)32°C (90°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%72%69%71%73%72%69%62%
Barometric pressure1016 hPa1016 hPa1016 hPa1016 hPa1016 hPa1015 hPa1014 hPa1015 hPa
Cloud cover2%59%36%30%18%10%3%5%
Heat index33°C (92°F)34°C (93°F)33°C (91°F)33°C (91°F)29°C (85°F)29°C (85°F)32°C (89°F)32°C (90°F)
Dew point22°C (72°F)24°C (75°F)23°C (73°F)23°C (74°F)22°C (71°F)21°C (71°F)22°C (72°F)21°C (70°F)
Wind
Speed24km/h (15mph)19km/h (12mph)14km/h (9mph)13km/h (8mph)15km/h (9mph)19km/h (12mph)20km/h (13mph)20km/h (13mph)
Gusts32km/h (20mph)25km/h (16mph)18km/h (11mph)18km/h (11mph)28km/h (18mph)36km/h (22mph)32km/h (20mph)28km/h (18mph)
Direction 86°
E
86°
E
83°
E
86°
E
87°
E
84°
E
84°
E
76°
ENE
Wind chill30°C (86°F)29°C (85°F)29°C (84°F)29°C (84°F)27°C (80°F)27°C (80°F)29°C (83°F)30°C (85°F)
Waves
Height0.4m (1.3ft)0.4m (1.4ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1.0ft)0.3m (1.0ft)0.4m (1.3ft)0.4m (1.3ft)
Direction 119°
ESE
108°
ESE
102°
ESE
100°
E
104°
ESE
112°
ESE
107°
ESE
98°
E
Period3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.5 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.4m (1.3ft)
Sea water temperature
Water temperature31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 06:45 and will set at 20:11 on the beach(es) of Key Largo. 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 11.2mph km/h (with gusts up to 15.5mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature30°C (85°F)29°C (85°F)29°C (85°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (85°F)29°C (85°F)
Perceived temperature33°C (91°F)34°C (92°F)33°C (92°F)33°C (92°F)33°C (91°F)33°C (92°F)34°C (93°F)34°C (93°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%70%71%71%72%72%71%71%
Barometric pressure1015 hPa1015 hPa1015 hPa1016 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover22%50%58%53%35%33%26%37%
Heat index33°C (91°F)34°C (92°F)33°C (92°F)33°C (92°F)33°C (91°F)33°C (92°F)34°C (93°F)34°C (93°F)
Dew point22°C (72°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)24°C (74°F)24°C (74°F)
Wind
Speed18km/h (11mph)15km/h (10mph)13km/h (8mph)10km/h (6mph)11km/h (7mph)15km/h (9mph)15km/h (9mph)15km/h (9mph)
Gusts25km/h (15mph)21km/h (13mph)17km/h (11mph)13km/h (8mph)16km/h (10mph)21km/h (13mph)21km/h (13mph)21km/h (13mph)
Direction 93°
E
104°
ESE
112°
ESE
117°
ESE
125°
SE
127°
SE
129°
SE
132°
SE
Wind chill30°C (85°F)29°C (85°F)29°C (85°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (85°F)29°C (85°F)
Waves
Height0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)
Direction 94°
E
93°
E
93°
E
89°
E
87°
E
94°
E
104°
ESE
113°
ESE
Period3.5 sec.3.5 sec.3.5 sec.3.5 sec.3.4 sec.3.3 sec.3.2 sec.3.2 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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