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
Saturday 18 July 202683°F to 86°Fdiscouraged
Sunday 19 July 202679°F to 86°Frecommended
Monday 20 July 202681°F to 88°Frecommended
Tuesday 21 July 202681°F to 86°Fdiscouraged
Wednesday 22 July 202679°F to 86°Fdiscouraged
Thursday 23 July 202681°F to 86°Frecommended
Friday 24 July 202681°F to 86°Frecommended

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

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 06:41 and will set at 20:13 on the beach(es) of Biscayne National Park. 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 13.7mph km/h (with gusts up to 21.8mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (84°F)28°C (83°F)29°C (84°F)30°C (85°F)30°C (86°F)28°C (83°F)30°C (85°F)29°C (84°F)
Perceived temperature33°C (91°F)32°C (90°F)33°C (91°F)34°C (92°F)34°C (92°F)30°C (87°F)34°C (92°F)33°C (91°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%75%73%68%65%63%66%69%
Barometric pressure1018 hPa1018 hPa1018 hPa1019 hPa1019 hPa1017 hPa1016 hPa1017 hPa
Cloud cover35%59%85%69%40%4%25%40%
Heat index33°C (91°F)32°C (90°F)33°C (91°F)34°C (92°F)34°C (92°F)30°C (87°F)34°C (92°F)33°C (91°F)
Dew point23°C (74°F)24°C (74°F)23°C (74°F)23°C (73°F)22°C (72°F)20°C (69°F)23°C (73°F)23°C (73°F)
Wind
Speed14km/h (9mph)15km/h (9mph)18km/h (11mph)21km/h (13mph)22km/h (13mph)18km/h (11mph)16km/h (10mph)17km/h (10mph)
Gusts20km/h (13mph)21km/h (13mph)26km/h (16mph)27km/h (17mph)35km/h (22mph)33km/h (21mph)21km/h (13mph)24km/h (15mph)
Direction 169°
S
172°
S
156°
SSE
148°
SSE
164°
SSE
147°
SSE
142°
SE
136°
SE
Wind chill29°C (84°F)28°C (83°F)29°C (84°F)30°C (85°F)30°C (86°F)28°C (83°F)30°C (85°F)29°C (84°F)
Waves
Height0.2m (0.6ft)0.3m (0.9ft)0.3m (1.0ft)0.4m (1.2ft)0.5m (1.6ft)0.5m (1.5ft)0.4m (1.2ft)0.3m (1.1ft)
Direction 127°
SE
131°
SE
129°
SE
123°
ESE
129°
SE
126°
SE
125°
SE
126°
SE
Period3.6 sec.3.6 sec.0.1 sec.0.1 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.
Significant height0.4m (1.3ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)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 on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 06:41 and will set at 20:13 on the beach(es) of Biscayne National Park. 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 12.4mph km/h (with gusts up to 21.1mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (84°F)29°C (84°F)29°C (83°F)30°C (86°F)27°C (80°F)28°C (83°F)29°C (84°F)29°C (84°F)
Perceived temperature33°C (91°F)33°C (91°F)32°C (90°F)33°C (91°F)28°C (82°F)30°C (86°F)32°C (89°F)32°C (90°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%71%70%57%58%59%64%68%
Barometric pressure1016 hPa1016 hPa1016 hPa1017 hPa1017 hPa1015 hPa1015 hPa1016 hPa
Cloud cover28%77%16%9%4%0%8%0%
Heat index33°C (91°F)33°C (91°F)32°C (90°F)33°C (91°F)28°C (82°F)30°C (86°F)32°C (89°F)32°C (90°F)
Dew point23°C (73°F)23°C (74°F)23°C (73°F)21°C (69°F)18°C (64°F)19°C (67°F)21°C (70°F)22°C (72°F)
Wind
Speed19km/h (12mph)19km/h (12mph)20km/h (12mph)20km/h (13mph)20km/h (13mph)19km/h (12mph)16km/h (10mph)15km/h (10mph)
Gusts26km/h (16mph)27km/h (17mph)29km/h (18mph)26km/h (16mph)21km/h (13mph)34km/h (21mph)24km/h (15mph)22km/h (14mph)
Direction 131°
SE
149°
SSE
153°
SSE
155°
SSE
147°
SSE
148°
SSE
149°
SSE
134°
SE
Wind chill29°C (84°F)29°C (84°F)29°C (83°F)30°C (86°F)27°C (80°F)28°C (83°F)29°C (84°F)29°C (84°F)
Waves
Height0.4m (1.4ft)0.5m (1.8ft)0.6m (1.9ft)0.6m (1.8ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 114°
ESE
125°
SE
128°
SE
127°
SE
124°
SE
123°
ESE
126°
SE
128°
SE
Period3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)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 06:42 and will set at 20:12 on the beach(es) of Biscayne National Park. The outside temperature will be a high of 88°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 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 temperature29°C (84°F)29°C (84°F)29°C (84°F)30°C (86°F)27°C (81°F)31°C (87°F)29°C (84°F)29°C (84°F)
Perceived temperature33°C (91°F)32°C (90°F)32°C (90°F)34°C (93°F)29°C (84°F)34°C (94°F)32°C (89°F)32°C (90°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%71%71%62%59%60%64%66%
Barometric pressure1015 hPa1014 hPa1015 hPa1017 hPa1017 hPa1015 hPa1015 hPa1016 hPa
Cloud cover39%54%47%43%13%32%6%7%
Heat index33°C (91°F)32°C (90°F)32°C (90°F)34°C (93°F)29°C (84°F)34°C (94°F)32°C (89°F)32°C (90°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)22°C (72°F)19°C (65°F)22°C (72°F)21°C (71°F)22°C (72°F)
Wind
Speed19km/h (12mph)19km/h (12mph)17km/h (11mph)20km/h (12mph)20km/h (12mph)19km/h (12mph)18km/h (11mph)15km/h (10mph)
Gusts27km/h (17mph)28km/h (17mph)24km/h (15mph)24km/h (15mph)23km/h (15mph)24km/h (15mph)28km/h (17mph)22km/h (14mph)
Direction 147°
SSE
158°
SSE
162°
SSE
155°
SSE
151°
SSE
146°
SE
148°
SSE
134°
SE
Wind chill29°C (84°F)29°C (84°F)29°C (84°F)30°C (86°F)27°C (81°F)31°C (87°F)29°C (84°F)29°C (84°F)
Waves
Height0.4m (1.2ft)0.5m (1.5ft)0.4m (1.4ft)0.4m (1.5ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.2ft)
Direction 117°
ESE
125°
SE
125°
SE
123°
ESE
123°
ESE
123°
ESE
124°
SE
125°
SE
Period3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.
Significant height0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)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 06:42 and will set at 20:12 on the beach(es) of Biscayne National Park. 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 13.1mph 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 (84°F)29°C (84°F)28°C (83°F)30°C (86°F)29°C (85°F)28°C (82°F)29°C (84°F)29°C (84°F)
Perceived temperature33°C (91°F)33°C (91°F)32°C (90°F)33°C (92°F)33°C (91°F)30°C (86°F)30°C (87°F)33°C (91°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%71%73%64%65%62%54%69%
Barometric pressure1016 hPa1015 hPa1016 hPa1017 hPa1017 hPa1017 hPa1016 hPa1017 hPa
Cloud cover34%53%53%18%18%0%2%4%
Heat index33°C (91°F)33°C (91°F)32°C (90°F)33°C (92°F)33°C (91°F)30°C (86°F)30°C (87°F)33°C (91°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)20°C (68°F)19°C (66°F)23°C (73°F)
Wind
Speed18km/h (11mph)15km/h (9mph)18km/h (11mph)17km/h (10mph)18km/h (11mph)17km/h (10mph)18km/h (11mph)21km/h (13mph)
Gusts24km/h (15mph)21km/h (13mph)25km/h (16mph)20km/h (13mph)25km/h (16mph)29km/h (18mph)27km/h (17mph)29km/h (18mph)
Direction 119°
ESE
129°
SE
151°
SSE
132°
SE
133°
SE
117°
ESE
107°
ESE
113°
ESE
Wind chill29°C (84°F)29°C (84°F)28°C (83°F)30°C (86°F)29°C (85°F)28°C (82°F)29°C (84°F)29°C (84°F)
Waves
Height0.4m (1.2ft)0.4m (1.2ft)0.4m (1.4ft)0.5m (1.6ft)0.4m (1.4ft)0.4m (1.3ft)0.3m (1.1ft)0.3m (1.0ft)
Direction 126°
SE
128°
SE
124°
ESE
127°
SE
128°
SE
126°
SE
126°
SE
126°
SE
Period3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)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 Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 06:43 and will set at 20:11 on the beach(es) of Biscayne National Park. 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 13.1mph km/h (with gusts up to 18mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (85°F)29°C (84°F)29°C (84°F)30°C (86°F)27°C (80°F)28°C (83°F)29°C (84°F)29°C (85°F)
Perceived temperature34°C (93°F)32°C (90°F)32°C (89°F)33°C (92°F)28°C (82°F)31°C (87°F)32°C (89°F)34°C (92°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%66%68%62%61%63%61%70%
Barometric pressure1017 hPa1016 hPa1017 hPa1017 hPa1018 hPa1017 hPa1016 hPa1017 hPa
Cloud cover54%21%25%17%2%10%0%7%
Heat index34°C (93°F)32°C (90°F)32°C (89°F)33°C (92°F)28°C (82°F)31°C (87°F)32°C (89°F)34°C (92°F)
Dew point24°C (74°F)22°C (72°F)22°C (72°F)22°C (71°F)19°C (65°F)21°C (69°F)21°C (70°F)23°C (74°F)
Wind
Speed21km/h (13mph)19km/h (12mph)17km/h (10mph)14km/h (9mph)14km/h (9mph)15km/h (10mph)16km/h (10mph)19km/h (12mph)
Gusts28km/h (18mph)26km/h (16mph)24km/h (15mph)17km/h (10mph)29km/h (18mph)27km/h (17mph)25km/h (15mph)26km/h (16mph)
Direction 106°
ESE
112°
ESE
122°
ESE
129°
SE
106°
ESE
100°
E
97°
E
91°
E
Wind chill29°C (85°F)29°C (84°F)29°C (84°F)30°C (86°F)27°C (80°F)28°C (83°F)29°C (84°F)29°C (85°F)
Waves
Height0.3m (1.1ft)0.3m (1.1ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (1.1ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.1ft)
Direction 127°
SE
99°
E
95°
E
103°
ESE
125°
SE
126°
SE
126°
SE
111°
ESE
Period3.6 sec.3.6 sec.3.1 sec.3.2 sec.3.2 sec.3.2 sec.3.2 sec.3.2 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)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 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 06:43 and will set at 20:11 on the beach(es) of Biscayne National Park. 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 11.2mph km/h (with gusts up to 16.8mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (84°F)29°C (84°F)29°C (84°F)30°C (86°F)28°C (83°F)28°C (82°F)29°C (84°F)29°C (85°F)
Perceived temperature33°C (92°F)32°C (89°F)32°C (90°F)34°C (92°F)31°C (87°F)30°C (86°F)32°C (90°F)32°C (89°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%65%65%64%65%66%66%61%
Barometric pressure1016 hPa1016 hPa1016 hPa1017 hPa1016 hPa1015 hPa1015 hPa1015 hPa
Cloud cover43%11%28%17%8%4%9%12%
Heat index33°C (92°F)32°C (89°F)32°C (90°F)34°C (92°F)31°C (87°F)30°C (86°F)32°C (90°F)32°C (89°F)
Dew point23°C (74°F)22°C (71°F)22°C (71°F)22°C (72°F)21°C (69°F)21°C (69°F)22°C (71°F)21°C (70°F)
Wind
Speed17km/h (11mph)14km/h (9mph)9km/h (6mph)12km/h (7mph)17km/h (10mph)17km/h (11mph)18km/h (11mph)17km/h (11mph)
Gusts24km/h (15mph)20km/h (12mph)12km/h (7mph)14km/h (9mph)21km/h (13mph)27km/h (17mph)27km/h (17mph)25km/h (16mph)
Direction 99°
E
99°
E
72°
ENE
67°
ENE
75°
ENE
90°
E
87°
E
88°
E
Wind chill29°C (84°F)29°C (84°F)29°C (84°F)30°C (86°F)28°C (83°F)28°C (82°F)29°C (84°F)29°C (85°F)
Waves
Height0.4m (1.2ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.4m (1.3ft)
Direction 99°
E
103°
ESE
100°
E
101°
E
104°
ESE
111°
ESE
102°
ESE
97°
E
Period3.2 sec.3.2 sec.3.8 sec.3.7 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)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 06:44 and will set at 20:11 on the beach(es) of Biscayne National Park. 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 11.8mph km/h (with gusts up to 20.5mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (84°F)29°C (84°F)29°C (84°F)30°C (86°F)28°C (83°F)28°C (83°F)29°C (85°F)29°C (85°F)
Perceived temperature32°C (90°F)32°C (90°F)33°C (91°F)34°C (93°F)31°C (87°F)30°C (87°F)33°C (91°F)33°C (92°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%69%69%65%64%64%66%68%
Barometric pressure1015 hPa1015 hPa1015 hPa1016 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover6%34%52%28%13%12%17%38%
Heat index32°C (90°F)32°C (90°F)33°C (91°F)34°C (93°F)31°C (87°F)30°C (87°F)33°C (91°F)33°C (92°F)
Dew point21°C (71°F)23°C (73°F)23°C (73°F)23°C (73°F)21°C (69°F)21°C (69°F)22°C (72°F)23°C (73°F)
Wind
Speed16km/h (10mph)12km/h (8mph)9km/h (5mph)10km/h (6mph)15km/h (9mph)19km/h (12mph)15km/h (9mph)13km/h (8mph)
Gusts23km/h (14mph)17km/h (11mph)12km/h (8mph)13km/h (8mph)27km/h (17mph)33km/h (21mph)23km/h (14mph)18km/h (11mph)
Direction 110°
ESE
126°
SE
134°
SE
126°
SE
123°
ESE
127°
SE
136°
SE
149°
SSE
Wind chill29°C (84°F)29°C (84°F)29°C (84°F)30°C (86°F)28°C (83°F)28°C (83°F)29°C (85°F)29°C (85°F)
Waves
Height0.4m (1.3ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Direction 91°
E
85°
E
84°
E
86°
E
85°
E
87°
E
92°
E
106°
ESE
Period3.6 sec.3.6 sec.3.5 sec.3.3 sec.3.3 sec.3.3 sec.3.3 sec.3.3 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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