Sea weather in Biscayne National Park in Florida All the beach weather in Biscayne National Park

All the essential weather information for enjoying the beach in Biscayne National Park 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 Biscayne National Park over the next 7 days?

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

Date Outside temp. Our opinion
Sunday 14 December 202568°F to 81°Frecommended
Monday 15 December 202570°F to 76°Fnot recommended
Tuesday 16 December 202570°F to 72°Fdiscouraged
Wednesday 17 December 202574°F to 76°Fdiscouraged
Thursday 18 December 202574°F to 77°Frecommended
Friday 19 December 202574°F to 79°Frecommended
Saturday 20 December 202576°F to 77°Frecommended

Sea Weather: Your daily and hourly sea weather in Biscayne National Park

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:59 and will set at 17:33 on the beach(es) of Biscayne National Park. The outside temperature will be a high of 81°F t and a low of 68°F. Precipitation is in the forecast (0.3in 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 11.2mph km/h (with gusts up to 14.9mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature22°C (71°F)22°C (71°F)20°C (68°F)22°C (71°F)25°C (77°F)27°C (80°F)24°C (75°F)23°C (74°F)
Perceived temperature22°C (71°F)22°C (71°F)20°C (68°F)22°C (71°F)26°C (79°F)28°C (82°F)26°C (78°F)25°C (78°F)
Precipitation0.1in0.1in0in0in0in0in0in0in
Humidity91%89%88%78%63%55%70%76%
Barometric pressure1019 hPa1018 hPa1018 hPa1019 hPa1017 hPa1015 hPa1016 hPa1018 hPa
Cloud cover63%60%86%49%18%82%54%85%
Heat index24°C (76°F)24°C (76°F)20°C (68°F)24°C (76°F)26°C (79°F)28°C (82°F)26°C (78°F)25°C (78°F)
Dew point20°C (68°F)20°C (68°F)18°C (65°F)18°C (64°F)17°C (63°F)17°C (63°F)18°C (65°F)19°C (66°F)
Wind
Speed18km/h (11mph)18km/h (11mph)9km/h (6mph)2km/h (1mph)6km/h (4mph)5km/h (3mph)10km/h (6mph)15km/h (9mph)
Gusts18km/h (11mph)24km/h (15mph)14km/h (8mph)3km/h (2mph)10km/h (6mph)7km/h (4mph)18km/h (11mph)24km/h (15mph)
Direction 166°
SSE
186°
S
252°
WSW
131°
SE
311°
NW
260°
W
312°
NW

N
Wind chill22°C (71°F)22°C (71°F)20°C (68°F)22°C (71°F)25°C (77°F)27°C (80°F)24°C (75°F)23°C (74°F)
Waves
Height0.7m (2.3ft)0.6m (2.1ft)0.4m (1.4ft)0.3m (0.9ft)0.2m (0.6ft)0.1m (0.4ft)0.2m (0.7ft)0.2m (0.8ft)
Direction 91°
E
92°
E
92°
E
92°
E
92°
E
93°
E
315°
NW
331°
NNW
Period4.6 sec.4.3 sec.3.9 sec.3.7 sec.3.4 sec.4.2 sec.4.2 sec.4.1 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)0.6m (2ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.5m (1.6ft)0.4m (1.3ft)
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 15 December 2025

On Monday 15 December 2025, the sun will rise at 07:00 and will set at 17:34 on the beach(es) of Biscayne National Park. The outside temperature will be a high of 76°F t and a low of 70°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 28mph km/h (with gusts up to 36.7mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (74°F)23°C (74°F)23°C (73°F)22°C (71°F)22°C (71°F)21°C (71°F)21°C (69°F)21°C (70°F)
Perceived temperature25°C (78°F)25°C (77°F)25°C (77°F)22°C (71°F)22°C (71°F)21°C (71°F)21°C (69°F)21°C (70°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%74%74%77%75%74%76%73%
Barometric pressure1018 hPa1018 hPa1019 hPa1021 hPa1021 hPa1020 hPa1021 hPa1021 hPa
Cloud cover76%85%85%100%100%100%100%92%
Heat index25°C (78°F)25°C (77°F)25°C (77°F)24°C (76°F)24°C (76°F)24°C (76°F)21°C (69°F)21°C (70°F)
Dew point19°C (66°F)18°C (65°F)18°C (64°F)18°C (64°F)17°C (63°F)17°C (62°F)16°C (61°F)16°C (61°F)
Wind
Speed22km/h (13mph)26km/h (16mph)30km/h (19mph)45km/h (28mph)39km/h (24mph)35km/h (21mph)37km/h (23mph)36km/h (23mph)
Gusts34km/h (21mph)37km/h (23mph)43km/h (27mph)59km/h (37mph)53km/h (33mph)47km/h (29mph)52km/h (32mph)50km/h (31mph)
Direction 22°
NNE
27°
NNE
29°
NNE
50°
NE
55°
NE
50°
NE
46°
NE
54°
NE
Wind chill24°C (74°F)23°C (74°F)23°C (73°F)22°C (71°F)22°C (71°F)21°C (71°F)21°C (69°F)21°C (70°F)
Waves
Height0.4m (1.2ft)0.6m (2.1ft)0.8m (2.8ft)1.3m (4.3ft)1.4m (4.8ft)1.4m (4.6ft)1.3m (4.3ft)1.2m (4.1ft)
Direction 21°
NNE
27°
NNE
55°
NE
61°
ENE
63°
ENE
60°
ENE
69°
ENE
69°
ENE
Period4.1 sec.4.1 sec.4.7 sec.4.7 sec.4.7 sec.4.7 sec.4.7 sec.4.7 sec.
Significant height1.3m (4.3ft)1.4m (4.6ft)1.2m (3.9ft)1.9m (6.2ft)1.7m (5.6ft)1.7m (5.6ft)1.6m (5.2ft)1.5m (4.9ft)
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 07:01 and will set at 17:34 on the beach(es) of Biscayne National Park. The outside temperature will be a high of 72°F t and a low of 70°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 24.9mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)22°C (71°F)22°C (72°F)22°C (71°F)22°C (72°F)
Perceived temperature21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)22°C (71°F)25°C (76°F)22°C (71°F)25°C (76°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%71%69%70%67%65%68%68%
Barometric pressure1021 hPa1020 hPa1020 hPa1022 hPa1021 hPa1019 hPa1020 hPa1021 hPa
Cloud cover94%93%54%70%89%69%81%78%
Heat index24°C (76°F)21°C (70°F)24°C (76°F)24°C (76°F)25°C (76°F)25°C (76°F)24°C (76°F)25°C (76°F)
Dew point15°C (60°F)16°C (60°F)15°C (60°F)16°C (60°F)15°C (60°F)15°C (59°F)16°C (60°F)16°C (61°F)
Wind
Speed31km/h (19mph)26km/h (16mph)24km/h (15mph)27km/h (17mph)27km/h (17mph)26km/h (16mph)26km/h (16mph)25km/h (15mph)
Gusts40km/h (25mph)34km/h (21mph)33km/h (21mph)35km/h (22mph)36km/h (22mph)34km/h (21mph)39km/h (24mph)35km/h (21mph)
Direction 53°
NE
51°
NE
50°
NE
60°
ENE
64°
ENE
62°
ENE
58°
ENE
72°
ENE
Wind chill21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)22°C (71°F)22°C (72°F)22°C (71°F)22°C (72°F)
Waves
Height1.1m (3.7ft)1.0m (3.2ft)0.8m (2.7ft)0.8m (2.7ft)0.9m (2.9ft)0.7m (2.4ft)0.8m (2.6ft)0.8m (2.7ft)
Direction 70°
ENE
73°
ENE
75°
ENE
72°
ENE
71°
ENE
77°
ENE
73°
ENE
76°
ENE
Period4.7 sec.4.7 sec.4.7 sec.4.7 sec.4.7 sec.4.7 sec.4.7 sec.4.7 sec.
Significant height1.5m (4.9ft)1.3m (4.3ft)1.3m (4.3ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)1.4m (4.6ft)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 Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 07:01 and will set at 17:34 on the beach(es) of Biscayne National Park. The outside temperature will be a high of 76°F t and a low of 74°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 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)23°C (73°F)24°C (74°F)24°C (75°F)24°C (75°F)23°C (73°F)23°C (74°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)26°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%72%70%63%62%63%69%71%
Barometric pressure1020 hPa1019 hPa1019 hPa1020 hPa1019 hPa1017 hPa1018 hPa1019 hPa
Cloud cover70%54%53%55%37%80%28%14%
Heat index25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)26°C (78°F)25°C (78°F)25°C (77°F)25°C (77°F)
Dew point17°C (63°F)17°C (63°F)17°C (62°F)16°C (61°F)16°C (61°F)16°C (61°F)17°C (62°F)18°C (64°F)
Wind
Speed26km/h (16mph)27km/h (17mph)25km/h (15mph)21km/h (13mph)21km/h (13mph)18km/h (11mph)15km/h (10mph)18km/h (11mph)
Gusts37km/h (23mph)38km/h (24mph)37km/h (23mph)29km/h (18mph)27km/h (17mph)25km/h (16mph)25km/h (16mph)27km/h (17mph)
Direction 84°
E
97°
E
94°
E
95°
E
102°
ESE
102°
ESE
88°
E
81°
E
Wind chill23°C (73°F)23°C (73°F)23°C (73°F)24°C (74°F)24°C (75°F)24°C (75°F)23°C (73°F)23°C (74°F)
Waves
Height0.8m (2.8ft)0.7m (2.3ft)0.7m (2.2ft)0.7m (2.2ft)0.7m (2.3ft)0.6m (2.0ft)0.5m (1.7ft)0.5m (1.6ft)
Direction 79°
E
78°
ENE
84°
E
87°
E
87°
E
89°
E
89°
E
88°
E
Period4.7 sec.9.0 sec.9.1 sec.9.4 sec.9.3 sec.9.1 sec.8.9 sec.8.8 sec.
Significant height1.3m (4.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)
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 18 December 2025

On Thursday 18 December 2025, the sun will rise at 07:02 and will set at 17:35 on the beach(es) of Biscayne National Park. The outside temperature will be a high of 77°F t and a low of 74°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 12.4mph km/h (with gusts up to 17.4mph). Wave height will be up to 1.6ft 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)24°C (76°F)25°C (76°F)25°C (76°F)23°C (74°F)24°C (75°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (78°F)26°C (79°F)26°C (79°F)26°C (80°F)25°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%76%81%80%77%78%83%84%
Barometric pressure1018 hPa1017 hPa1017 hPa1019 hPa1018 hPa1016 hPa1017 hPa1018 hPa
Cloud cover15%41%58%59%76%54%26%84%
Heat index25°C (77°F)25°C (77°F)25°C (78°F)26°C (79°F)26°C (79°F)26°C (80°F)25°C (78°F)26°C (79°F)
Dew point18°C (64°F)19°C (66°F)20°C (68°F)21°C (69°F)20°C (68°F)20°C (69°F)20°C (69°F)21°C (70°F)
Wind
Speed17km/h (11mph)15km/h (10mph)18km/h (11mph)20km/h (13mph)20km/h (12mph)18km/h (11mph)14km/h (9mph)15km/h (9mph)
Gusts25km/h (16mph)23km/h (14mph)26km/h (16mph)28km/h (17mph)28km/h (17mph)25km/h (15mph)24km/h (15mph)23km/h (14mph)
Direction 96°
E
92°
E
88°
E
101°
ESE
97°
E
99°
E
101°
E
102°
ESE
Wind chill23°C (74°F)23°C (74°F)23°C (74°F)24°C (76°F)25°C (76°F)25°C (76°F)23°C (74°F)24°C (75°F)
Waves
Height0.5m (1.5ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.8ft)0.5m (1.7ft)0.4m (1.5ft)0.2m (0.5ft)
Direction 88°
E
86°
E
87°
E
85°
E
84°
E
85°
E
85°
E
65°
ENE
Period8.6 sec.8.5 sec.8.3 sec.8.3 sec.8.3 sec.8.3 sec.8.3 sec.5.9 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)0.3m (1ft)
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 19 December 2025

On Friday 19 December 2025, the sun will rise at 07:02 and will set at 17:35 on the beach(es) of Biscayne National Park. The outside temperature will be a high of 79°F t and a low of 74°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 8.1mph km/h (with gusts up to 13.1mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)25°C (77°F)25°C (76°F)24°C (74°F)24°C (75°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (80°F)27°C (81°F)26°C (79°F)26°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%86%87%83%74%69%76%80%
Barometric pressure1017 hPa1016 hPa1017 hPa1019 hPa1018 hPa1017 hPa1017 hPa1019 hPa
Cloud cover72%32%36%28%33%14%8%7%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)26°C (80°F)27°C (81°F)26°C (79°F)26°C (78°F)26°C (79°F)
Dew point21°C (70°F)21°C (70°F)21°C (71°F)21°C (70°F)20°C (68°F)19°C (65°F)19°C (66°F)20°C (69°F)
Wind
Speed13km/h (8mph)10km/h (6mph)7km/h (4mph)4km/h (2mph)4km/h (2mph)8km/h (5mph)8km/h (5mph)7km/h (4mph)
Gusts21km/h (13mph)15km/h (10mph)10km/h (7mph)6km/h (4mph)5km/h (3mph)15km/h (10mph)15km/h (9mph)12km/h (7mph)
Direction 127°
SE
159°
SSE
196°
SSW
248°
WSW
115°
ESE
91°
E
112°
ESE
98°
E
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)25°C (77°F)25°C (76°F)24°C (74°F)24°C (75°F)
Waves
Height0.1m (0.5ft)0.1m (0.4ft)0.1m (0.4ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 62°
ENE
61°
ENE
62°
ENE
261°
W
162°
SSE
71°
ENE
73°
ENE
73°
ENE
Period3.3 sec.3.0 sec.2.9 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 07:03 and will set at 17:36 on the beach(es) of Biscayne National Park. 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 12.4mph km/h (with gusts up to 18.6mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (75°F)24°C (75°F)25°C (77°F)25°C (77°F)25°C (77°F)24°C (75°F)24°C (75°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%83%82%78%76%77%80%83%
Barometric pressure1018 hPa1018 hPa1018 hPa1020 hPa1020 hPa1018 hPa1019 hPa1020 hPa
Cloud cover4%16%24%23%32%41%31%15%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)26°C (79°F)
Dew point21°C (70°F)21°C (70°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)20°C (69°F)21°C (70°F)
Wind
Speed8km/h (5mph)10km/h (6mph)14km/h (9mph)18km/h (11mph)19km/h (12mph)18km/h (11mph)18km/h (11mph)20km/h (12mph)
Gusts12km/h (7mph)15km/h (10mph)21km/h (13mph)26km/h (16mph)27km/h (17mph)24km/h (15mph)28km/h (18mph)30km/h (19mph)
Direction 95°
E
81°
E
74°
ENE
77°
ENE
87°
E
92°
E
89°
E
87°
E
Wind chill24°C (76°F)24°C (75°F)24°C (75°F)25°C (77°F)25°C (77°F)25°C (77°F)24°C (75°F)24°C (75°F)
Waves
Height0.3m (1.0ft)0.3m (1.0ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
Direction 75°
ENE
80°
E
87°
E
90°
E
93°
E
94°
E
93°
E
93°
E
Period2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)25°C (76°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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