Sea weather in St Petersburg in Florida All the beach weather in St Petersburg

All the essential weather information for enjoying the beach in St Petersburg 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 St Petersburg over the next 7 days?

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

Date Outside temp. Our opinion
Sunday 19 July 202683°F to 86°Fdiscouraged
Monday 20 July 202685°F to 85°Fdiscouraged
Tuesday 21 July 202681°F to 86°Fdiscouraged
Wednesday 22 July 202679°F to 86°Frecommended
Thursday 23 July 202679°F to 86°Fdiscouraged
Friday 24 July 202681°F to 86°Fdiscouraged
Saturday 25 July 202681°F to 86°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in St Petersburg

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 06:47 and will set at 20:27 on the beach(es) of St Petersburg. The outside temperature will be a high of 86°F t and a low of 83°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 19.9mph km/h (with gusts up to 26.7mph). 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)28°C (82°F)29°C (84°F)29°C (84°F)30°C (85°F)29°C (85°F)29°C (84°F)
Perceived temperature32°C (90°F)33°C (91°F)31°C (88°F)33°C (91°F)33°C (91°F)34°C (92°F)33°C (92°F)33°C (91°F)
Precipitation0in0.1in0.1in0in0in0in0in0in
Humidity68%73%77%70%69%67%70%74%
Barometric pressure1016 hPa1015 hPa1014 hPa1015 hPa1014 hPa1013 hPa1012 hPa1013 hPa
Cloud cover89%82%72%72%61%71%51%57%
Heat index32°C (90°F)33°C (91°F)31°C (88°F)33°C (91°F)33°C (91°F)34°C (92°F)33°C (92°F)33°C (91°F)
Dew point22°C (72°F)23°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)24°C (75°F)
Wind
Speed22km/h (14mph)25km/h (15mph)28km/h (17mph)31km/h (19mph)30km/h (18mph)32km/h (20mph)31km/h (19mph)28km/h (18mph)
Gusts30km/h (19mph)35km/h (22mph)31km/h (19mph)42km/h (26mph)36km/h (22mph)42km/h (26mph)43km/h (27mph)41km/h (25mph)
Direction 178°
S
168°
SSE
155°
SSE
166°
SSE
169°
S
174°
S
177°
S
167°
SSE
Wind chill29°C (84°F)29°C (84°F)28°C (82°F)29°C (84°F)29°C (84°F)30°C (85°F)29°C (85°F)29°C (84°F)
Waves
Height0.4m (1.4ft)0.5m (1.6ft)0.6m (1.8ft)0.7m (2.3ft)0.7m (2.4ft)0.7m (2.4ft)0.7m (2.3ft)0.6m (2.1ft)
Direction 199°
SSW
192°
SSW
191°
SSW
194°
SSW
196°
SSW
202°
SSW
200°
SSW
208°
SSW
Period4.4 sec.4.4 sec.4.3 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)
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 06:47 and will set at 20:26 on the beach(es) of St Petersburg. The outside temperature will be a high of 85°F t and a low of 85°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 23mph km/h (with gusts up to 30.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (84°F)29°C (84°F)29°C (83°F)29°C (84°F)29°C (84°F)29°C (85°F)29°C (84°F)29°C (84°F)
Perceived temperature33°C (92°F)33°C (91°F)32°C (90°F)33°C (92°F)33°C (92°F)34°C (93°F)34°C (92°F)33°C (92°F)
Precipitation0in0.1in0in0.1in0in0in0in0in
Humidity74%75%74%73%71%71%73%74%
Barometric pressure1013 hPa1012 hPa1012 hPa1014 hPa1015 hPa1014 hPa1014 hPa1014 hPa
Cloud cover80%72%69%69%68%69%70%63%
Heat index33°C (92°F)33°C (91°F)32°C (90°F)33°C (92°F)33°C (92°F)34°C (93°F)34°C (92°F)33°C (92°F)
Dew point24°C (75°F)24°C (75°F)23°C (74°F)24°C (75°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (75°F)
Wind
Speed29km/h (18mph)35km/h (21mph)35km/h (22mph)37km/h (23mph)36km/h (23mph)35km/h (22mph)32km/h (20mph)29km/h (18mph)
Gusts40km/h (25mph)47km/h (29mph)40km/h (25mph)40km/h (25mph)40km/h (25mph)49km/h (30mph)49km/h (31mph)39km/h (25mph)
Direction 173°
S
175°
S
177°
S
185°
S
185°
S
190°
S
189°
S
191°
S
Wind chill29°C (84°F)29°C (84°F)29°C (83°F)29°C (84°F)29°C (84°F)29°C (85°F)29°C (84°F)29°C (84°F)
Waves
Height0.6m (2.1ft)0.7m (2.4ft)0.7m (2.5ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.5ft)0.7m (2.3ft)0.7m (2.2ft)
Direction 210°
SSW
207°
SSW
207°
SSW
210°
SSW
217°
SW
216°
SW
219°
SW
223°
SW
Period4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.
Significant height0.8m (2.6ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)
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 Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 06:48 and will set at 20:26 on the beach(es) of St Petersburg. 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 19.3mph km/h (with gusts up to 27.3mph). 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 (85°F)29°C (84°F)29°C (85°F)29°C (85°F)28°C (82°F)30°C (85°F)29°C (85°F)
Perceived temperature33°C (92°F)33°C (92°F)33°C (91°F)33°C (92°F)33°C (91°F)30°C (86°F)34°C (94°F)33°C (92°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%70%69%68%66%66%70%71%
Barometric pressure1014 hPa1013 hPa1014 hPa1016 hPa1017 hPa1015 hPa1015 hPa1016 hPa
Cloud cover53%85%90%51%81%11%33%8%
Heat index33°C (92°F)33°C (92°F)33°C (91°F)33°C (92°F)33°C (91°F)30°C (86°F)34°C (94°F)33°C (92°F)
Dew point24°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)21°C (70°F)24°C (74°F)23°C (74°F)
Wind
Speed30km/h (18mph)30km/h (19mph)29km/h (18mph)30km/h (19mph)31km/h (19mph)29km/h (18mph)23km/h (15mph)21km/h (13mph)
Gusts40km/h (25mph)42km/h (26mph)40km/h (25mph)40km/h (25mph)44km/h (27mph)32km/h (20mph)31km/h (19mph)29km/h (18mph)
Direction 189°
S
188°
S
178°
S
184°
S
189°
S
199°
SSW
213°
SSW
227°
SW
Wind chill29°C (84°F)29°C (85°F)29°C (84°F)29°C (85°F)29°C (85°F)28°C (82°F)30°C (85°F)29°C (85°F)
Waves
Height0.6m (2.0ft)0.6m (2.0ft)0.6m (2.1ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (1.9ft)0.5m (1.8ft)0.5m (1.5ft)
Direction 226°
SW
229°
SW
219°
SW
205°
SSW
210°
SSW
205°
SSW
231°
SW
241°
WSW
Period4.2 sec.5.1 sec.5.0 sec.4.9 sec.4.9 sec.4.9 sec.4.9 sec.4.9 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)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 Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 06:48 and will set at 20:25 on the beach(es) of St Petersburg. 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 11.8mph km/h (with gusts up to 22.4mph). 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)29°C (85°F)26°C (79°F)28°C (82°F)29°C (84°F)29°C (85°F)
Perceived temperature33°C (92°F)33°C (91°F)33°C (91°F)33°C (92°F)28°C (82°F)30°C (86°F)32°C (89°F)33°C (91°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%72%72%69%66%64%64%66%
Barometric pressure1016 hPa1015 hPa1016 hPa1017 hPa1017 hPa1016 hPa1015 hPa1016 hPa
Cloud cover7%24%53%75%5%5%4%5%
Heat index33°C (92°F)33°C (91°F)33°C (91°F)33°C (92°F)28°C (82°F)30°C (86°F)32°C (89°F)33°C (91°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)19°C (67°F)20°C (69°F)21°C (70°F)22°C (72°F)
Wind
Speed19km/h (12mph)18km/h (11mph)18km/h (11mph)18km/h (11mph)18km/h (11mph)19km/h (12mph)17km/h (10mph)18km/h (11mph)
Gusts25km/h (16mph)24km/h (15mph)24km/h (15mph)23km/h (14mph)19km/h (12mph)36km/h (22mph)26km/h (16mph)24km/h (15mph)
Direction 213°
SSW
199°
SSW
193°
SSW
196°
SSW
213°
SSW
234°
SW
253°
WSW
274°
W
Wind chill29°C (84°F)29°C (84°F)29°C (84°F)29°C (85°F)26°C (79°F)28°C (82°F)29°C (84°F)29°C (85°F)
Waves
Height0.4m (1.4ft)0.4m (1.3ft)0.4m (1.2ft)0.3m (1.1ft)0.3m (1.1ft)0.3m (1.1ft)0.3m (1.1ft)0.3m (1.0ft)
Direction 247°
WSW
250°
WSW
253°
WSW
258°
WSW
258°
WSW
255°
WSW
255°
WSW
254°
WSW
Period4.9 sec.4.9 sec.5.3 sec.5.5 sec.5.5 sec.5.5 sec.5.5 sec.5.5 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.6m (2ft)0.6m (2ft)0.4m (1.3ft)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 on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 06:49 and will set at 20:25 on the beach(es) of St Petersburg. 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 13.7mph km/h (with gusts up to 21.1mph). 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)29°C (85°F)26°C (79°F)28°C (82°F)29°C (85°F)30°C (85°F)
Perceived temperature32°C (90°F)31°C (89°F)31°C (88°F)32°C (89°F)27°C (81°F)30°C (85°F)32°C (89°F)33°C (91°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%61%63%60%60%59%60%63%
Barometric pressure1016 hPa1016 hPa1016 hPa1017 hPa1017 hPa1015 hPa1014 hPa1016 hPa
Cloud cover20%21%9%15%14%6%11%23%
Heat index32°C (90°F)31°C (89°F)31°C (88°F)32°C (89°F)27°C (81°F)30°C (85°F)32°C (89°F)33°C (91°F)
Dew point21°C (70°F)21°C (69°F)21°C (70°F)21°C (69°F)18°C (64°F)19°C (67°F)21°C (69°F)22°C (71°F)
Wind
Speed13km/h (8mph)8km/h (5mph)6km/h (4mph)6km/h (4mph)11km/h (7mph)18km/h (11mph)22km/h (14mph)20km/h (13mph)
Gusts17km/h (11mph)11km/h (7mph)8km/h (5mph)8km/h (5mph)23km/h (14mph)34km/h (21mph)34km/h (21mph)28km/h (17mph)
Direction 289°
WNW
307°
NW
324°
NW
173°
S
242°
WSW
264°
W
279°
W
295°
WNW
Wind chill29°C (85°F)29°C (84°F)29°C (84°F)29°C (85°F)26°C (79°F)28°C (82°F)29°C (85°F)30°C (85°F)
Waves
Height0.3m (1.0ft)0.3m (0.9ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.8ft)0.4m (1.2ft)0.4m (1.3ft)0.3m (1.1ft)
Direction 255°
WSW
264°
W
266°
W
267°
W
268°
W
286°
WNW
288°
WNW
284°
WNW
Period4.8 sec.5.8 sec.5.6 sec.5.6 sec.5.5 sec.5.5 sec.5.5 sec.5.3 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)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 Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 06:49 and will set at 20:24 on the beach(es) of St Petersburg. 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 16.8mph). Wave height will be up to 1ft 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 (85°F)28°C (82°F)29°C (84°F)30°C (85°F)29°C (85°F)
Perceived temperature32°C (90°F)32°C (90°F)32°C (89°F)33°C (91°F)30°C (86°F)32°C (89°F)34°C (93°F)33°C (92°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%65%66%64%64%66%68%70%
Barometric pressure1016 hPa1014 hPa1015 hPa1016 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover25%19%18%13%14%22%31%22%
Heat index32°C (90°F)32°C (90°F)32°C (89°F)33°C (91°F)30°C (86°F)32°C (89°F)34°C (93°F)33°C (92°F)
Dew point22°C (71°F)22°C (71°F)22°C (71°F)22°C (72°F)20°C (69°F)22°C (71°F)23°C (74°F)23°C (74°F)
Wind
Speed11km/h (7mph)9km/h (6mph)12km/h (7mph)15km/h (10mph)18km/h (11mph)21km/h (13mph)20km/h (13mph)17km/h (10mph)
Gusts15km/h (9mph)13km/h (8mph)16km/h (10mph)20km/h (12mph)22km/h (14mph)27km/h (17mph)26km/h (16mph)22km/h (14mph)
Direction 295°
WNW
224°
SW
221°
SW
220°
SW
226°
SW
234°
SW
248°
WSW
262°
W
Wind chill29°C (85°F)29°C (84°F)29°C (84°F)30°C (85°F)28°C (82°F)29°C (84°F)30°C (85°F)29°C (85°F)
Waves
Height0.3m (1.0ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 278°
W
273°
W
270°
W
270°
W
273°
W
277°
W
281°
W
281°
W
Period5.0 sec.4.0 sec.3.8 sec.4.5 sec.4.5 sec.4.5 sec.4.5 sec.4.3 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)
Sea water temperature
Water temperature29°C (84°F)29°C (84°F)29°C (84°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)

Sea weather on Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 06:50 and will set at 20:24 on the beach(es) of St Petersburg. 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 13.7mph km/h (with gusts up to 19.3mph). Wave height will be up to 1ft 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 (85°F)28°C (82°F)28°C (82°F)29°C (84°F)29°C (84°F)
Perceived temperature33°C (91°F)33°C (91°F)33°C (91°F)34°C (92°F)30°C (87°F)30°C (86°F)33°C (91°F)33°C (92°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%72%71%68%65%66%70%72%
Barometric pressure1016 hPa1016 hPa1016 hPa1017 hPa1017 hPa1016 hPa1016 hPa1016 hPa
Cloud cover14%15%35%39%15%11%36%37%
Heat index33°C (91°F)33°C (91°F)33°C (91°F)34°C (92°F)30°C (87°F)30°C (86°F)33°C (91°F)33°C (92°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)21°C (69°F)21°C (69°F)23°C (73°F)24°C (74°F)
Wind
Speed13km/h (8mph)12km/h (8mph)16km/h (10mph)20km/h (13mph)22km/h (13mph)20km/h (13mph)18km/h (11mph)13km/h (8mph)
Gusts18km/h (11mph)17km/h (10mph)22km/h (13mph)26km/h (16mph)25km/h (15mph)31km/h (19mph)26km/h (16mph)18km/h (11mph)
Direction 238°
WSW
206°
SSW
195°
SSW
200°
SSW
212°
SSW
229°
SW
244°
WSW
248°
WSW
Wind chill29°C (84°F)29°C (84°F)29°C (84°F)30°C (85°F)28°C (82°F)28°C (82°F)29°C (84°F)29°C (84°F)
Waves
Height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 279°
W
280°
W
281°
W
281°
W
265°
W
267°
W
273°
W
274°
W
Period3.3 sec.3.2 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.3.6 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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