Sea weather in Santo António in Sao Tome and Principe All the beach weather in Santo António

All the essential weather information for enjoying the beach in Santo António in Sao Tome and Principe, 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 Santo António over the next 7 days?

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

Date Outside temp. Our opinion
Friday 5 December 202579°F to 81°Frecommended
Saturday 6 December 202579°F to 81°Frecommended
Sunday 7 December 202579°F to 81°Frecommended
Monday 8 December 202579°F to 81°Frecommended
Tuesday 9 December 202579°F to 81°Frecommended
Wednesday 10 December 202579°F to 81°Frecommended
Thursday 11 December 202579°F to 81°Frecommended

Sea Weather: Your daily and hourly sea weather in Santo António

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 05:20 and will set at 17:22 on the beach(es) of Santo António. The outside temperature will be a high of 81°F t and a low of 79°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 11.2mph km/h (with gusts up to 14.9mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)
Perceived temperature30°C (86°F)30°C (85°F)30°C (86°F)30°C (86°F)29°C (84°F)30°C (85°F)30°C (86°F)30°C (86°F)
Precipitation0in0in0in0in0.1in0in0in0in
Humidity85%84%84%83%84%79%83%83%
Barometric pressure1010 hPa1009 hPa1011 hPa1012 hPa1010 hPa1008 hPa1010 hPa1012 hPa
Cloud cover26%55%71%34%88%25%37%79%
Heat index30°C (86°F)30°C (85°F)30°C (86°F)30°C (86°F)29°C (84°F)30°C (85°F)30°C (86°F)30°C (86°F)
Dew point24°C (75°F)24°C (74°F)24°C (74°F)24°C (74°F)23°C (73°F)23°C (73°F)24°C (75°F)23°C (74°F)
Wind
Speed18km/h (11mph)15km/h (10mph)14km/h (9mph)10km/h (6mph)12km/h (7mph)15km/h (10mph)13km/h (8mph)13km/h (8mph)
Gusts24km/h (15mph)21km/h (13mph)20km/h (12mph)14km/h (9mph)19km/h (12mph)23km/h (14mph)19km/h (12mph)19km/h (12mph)
Direction 191°
S
195°
SSW
193°
SSW
190°
S
171°
S
185°
S
174°
S
194°
SSW
Wind chill27°C (80°F)26°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)
Waves
Height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.2ft)0.9m (3.1ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.1ft)0.9m (3.0ft)
Direction 203°
SSW
204°
SSW
204°
SSW
204°
SSW
205°
SSW
205°
SSW
205°
SSW
206°
SSW
Period13.0 sec.8.2 sec.8.3 sec.8.2 sec.8.1 sec.12.0 sec.8.5 sec.9.0 sec.
Significant height0.8m (2.6ft)1.1m (3.6ft)1.1m (3.6ft)0.7m (2.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 05:21 and will set at 17:23 on the beach(es) of Santo António. The outside temperature will be a high of 81°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 9.3mph km/h (with gusts up to 14.3mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)
Perceived temperature30°C (86°F)30°C (85°F)30°C (86°F)30°C (86°F)29°C (85°F)30°C (85°F)30°C (86°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%81%82%82%82%82%83%84%
Barometric pressure1011 hPa1009 hPa1010 hPa1012 hPa1010 hPa1008 hPa1009 hPa1011 hPa
Cloud cover31%25%29%39%79%81%81%74%
Heat index30°C (86°F)30°C (85°F)30°C (86°F)30°C (86°F)29°C (85°F)30°C (85°F)30°C (86°F)30°C (86°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (75°F)
Wind
Speed11km/h (7mph)14km/h (9mph)11km/h (7mph)11km/h (7mph)14km/h (9mph)15km/h (10mph)15km/h (10mph)15km/h (9mph)
Gusts16km/h (10mph)19km/h (12mph)15km/h (9mph)15km/h (10mph)20km/h (13mph)23km/h (14mph)22km/h (14mph)21km/h (13mph)
Direction 240°
WSW
250°
WSW
222°
SW
213°
SSW
214°
SW
234°
SW
225°
SW
223°
SW
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)
Waves
Height0.9m (2.9ft)0.9m (2.8ft)0.8m (2.8ft)0.8m (2.8ft)0.8m (2.7ft)0.8m (2.7ft)0.8m (2.7ft)0.8m (2.6ft)
Direction 207°
SSW
207°
SSW
208°
SSW
208°
SSW
208°
SSW
204°
SSW
204°
SSW
203°
SSW
Period8.7 sec.8.8 sec.8.8 sec.8.8 sec.8.7 sec.11.2 sec.8.4 sec.8.5 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 05:21 and will set at 17:23 on the beach(es) of Santo António. The outside temperature will be a high of 81°F t and a low of 79°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 9.3mph km/h (with gusts up to 13.7mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)
Perceived temperature30°C (86°F)30°C (86°F)30°C (85°F)30°C (86°F)29°C (84°F)30°C (85°F)30°C (86°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%81%82%80%80%79%80%82%
Barometric pressure1010 hPa1009 hPa1010 hPa1011 hPa1010 hPa1008 hPa1009 hPa1012 hPa
Cloud cover55%14%75%19%84%62%58%27%
Heat index30°C (86°F)30°C (86°F)30°C (85°F)30°C (86°F)29°C (84°F)30°C (85°F)30°C (86°F)30°C (85°F)
Dew point24°C (75°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)
Wind
Speed15km/h (9mph)14km/h (9mph)11km/h (7mph)13km/h (8mph)10km/h (6mph)12km/h (7mph)12km/h (7mph)9km/h (6mph)
Gusts22km/h (14mph)20km/h (13mph)16km/h (10mph)17km/h (11mph)15km/h (9mph)17km/h (11mph)17km/h (10mph)14km/h (8mph)
Direction 240°
WSW
233°
SW
219°
SW
211°
SSW
208°
SSW
224°
SW
219°
SW
212°
SSW
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)
Waves
Height0.8m (2.6ft)0.8m (2.7ft)0.8m (2.7ft)0.8m (2.8ft)0.9m (2.8ft)0.9m (2.9ft)0.9m (2.9ft)0.8m (2.7ft)
Direction 201°
SSW
199°
SSW
198°
SSW
187°
S
186°
S
187°
S
188°
S
190°
S
Period10.6 sec.10.5 sec.10.9 sec.10.9 sec.10.8 sec.10.4 sec.9.6 sec.9.2 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 05:21 and will set at 17:23 on the beach(es) of Santo António. The outside temperature will be a high of 81°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 10.6mph km/h (with gusts up to 14.3mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)
Perceived temperature29°C (85°F)30°C (85°F)30°C (86°F)30°C (86°F)29°C (84°F)29°C (84°F)30°C (85°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%80%80%79%79%79%79%80%
Barometric pressure1011 hPa1010 hPa1011 hPa1013 hPa1011 hPa1010 hPa1011 hPa1013 hPa
Cloud cover82%25%57%56%82%18%71%41%
Heat index29°C (85°F)30°C (85°F)30°C (86°F)30°C (86°F)29°C (84°F)29°C (84°F)30°C (85°F)30°C (85°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)
Wind
Speed12km/h (7mph)17km/h (11mph)15km/h (9mph)14km/h (9mph)12km/h (7mph)13km/h (8mph)16km/h (10mph)15km/h (9mph)
Gusts17km/h (11mph)23km/h (15mph)20km/h (13mph)20km/h (12mph)17km/h (11mph)20km/h (12mph)23km/h (14mph)21km/h (13mph)
Direction 223°
SW
226°
SW
202°
SSW
188°
S
200°
SSW
203°
SSW
196°
SSW
208°
SSW
Wind chill26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)
Waves
Height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.5ft)0.8m (2.5ft)0.8m (2.6ft)0.8m (2.7ft)0.8m (2.8ft)0.8m (2.8ft)
Direction 183°
S
183°
S
183°
S
182°
S
183°
S
210°
SSW
210°
SSW
209°
SSW
Period9.1 sec.9.1 sec.9.0 sec.9.0 sec.9.0 sec.14.6 sec.8.7 sec.5.1 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 05:22 and will set at 17:24 on the beach(es) of Santo António. The outside temperature will be a high of 81°F t and a low of 79°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 11.8mph km/h (with gusts up to 17.4mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (80°F)26°C (79°F)26°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)
Perceived temperature30°C (86°F)29°C (85°F)29°C (84°F)29°C (85°F)29°C (84°F)29°C (84°F)29°C (85°F)30°C (85°F)
Precipitation0in0in0in0in0in0.1in0in0in
Humidity82%82%82%81%80%81%77%76%
Barometric pressure1012 hPa1010 hPa1012 hPa1013 hPa1012 hPa1010 hPa1012 hPa1013 hPa
Cloud cover59%83%61%72%74%55%51%53%
Heat index30°C (86°F)29°C (85°F)29°C (84°F)29°C (85°F)29°C (84°F)29°C (84°F)29°C (85°F)30°C (85°F)
Dew point23°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)22°C (72°F)22°C (72°F)
Wind
Speed16km/h (10mph)19km/h (12mph)13km/h (8mph)15km/h (9mph)17km/h (11mph)12km/h (7mph)10km/h (6mph)9km/h (6mph)
Gusts22km/h (14mph)25km/h (16mph)19km/h (12mph)25km/h (15mph)28km/h (18mph)21km/h (13mph)15km/h (9mph)13km/h (8mph)
Direction 187°
S
201°
SSW
210°
SSW
194°
SSW
198°
SSW
212°
SSW
233°
SW
260°
W
Wind chill27°C (80°F)26°C (80°F)26°C (79°F)26°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)
Waves
Height0.8m (2.8ft)0.9m (2.8ft)0.9m (2.9ft)0.9m (2.9ft)0.9m (3.1ft)1.0m (3.4ft)1.1m (3.5ft)1.1m (3.5ft)
Direction 208°
SSW
206°
SSW
204°
SSW
203°
SSW
207°
SSW
205°
SSW
205°
SSW
206°
SSW
Period5.1 sec.5.1 sec.5.1 sec.14.1 sec.5.3 sec.5.3 sec.5.3 sec.5.2 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 05:22 and will set at 17:24 on the beach(es) of Santo António. The outside temperature will be a high of 81°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 11.2mph km/h (with gusts up to 14.9mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)
Perceived temperature29°C (85°F)29°C (85°F)30°C (85°F)30°C (85°F)28°C (83°F)29°C (85°F)30°C (86°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%79%79%78%78%77%78%79%
Barometric pressure1011 hPa1010 hPa1011 hPa1012 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover26%28%29%12%22%46%55%78%
Heat index29°C (85°F)29°C (85°F)30°C (85°F)30°C (85°F)28°C (83°F)29°C (85°F)30°C (86°F)30°C (85°F)
Dew point22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (71°F)22°C (72°F)23°C (73°F)23°C (73°F)
Wind
Speed15km/h (9mph)18km/h (11mph)16km/h (10mph)12km/h (8mph)10km/h (6mph)13km/h (8mph)13km/h (8mph)10km/h (6mph)
Gusts20km/h (13mph)24km/h (15mph)22km/h (14mph)17km/h (11mph)16km/h (10mph)18km/h (11mph)18km/h (11mph)14km/h (9mph)
Direction 235°
SW
216°
SW
216°
SW
211°
SSW
203°
SSW
212°
SSW
224°
SW
237°
WSW
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)
Waves
Height1.1m (3.6ft)1.1m (3.7ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.5ft)1.1m (3.5ft)1.1m (3.5ft)1.0m (3.4ft)
Direction 206°
SSW
205°
SSW
204°
SSW
205°
SSW
205°
SSW
205°
SSW
205°
SSW
204°
SSW
Period5.1 sec.12.9 sec.12.3 sec.5.1 sec.12.1 sec.12.1 sec.9.7 sec.9.8 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 05:23 and will set at 17:25 on the beach(es) of Santo António. The outside temperature will be a high of 81°F t and a low of 79°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 9.3mph km/h (with gusts up to 13.1mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (80°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (80°F)27°C (80°F)27°C (80°F)
Perceived temperature29°C (85°F)29°C (85°F)29°C (84°F)29°C (84°F)28°C (83°F)29°C (84°F)29°C (85°F)29°C (85°F)
Precipitation0in0in0.1in0in0.1in0in0in0in
Humidity81%82%83%78%75%75%75%76%
Barometric pressure1011 hPa1009 hPa1011 hPa1012 hPa1010 hPa1009 hPa1010 hPa1011 hPa
Cloud cover87%25%68%69%73%33%35%16%
Heat index29°C (85°F)29°C (85°F)29°C (84°F)29°C (84°F)28°C (83°F)29°C (84°F)29°C (85°F)29°C (85°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (71°F)22°C (71°F)22°C (71°F)22°C (72°F)
Wind
Speed13km/h (8mph)15km/h (9mph)11km/h (7mph)9km/h (6mph)10km/h (6mph)12km/h (8mph)12km/h (7mph)11km/h (7mph)
Gusts17km/h (11mph)21km/h (13mph)16km/h (10mph)14km/h (9mph)15km/h (10mph)19km/h (12mph)16km/h (10mph)16km/h (10mph)
Direction 205°
SSW
218°
SW
212°
SSW
239°
WSW
249°
WSW
234°
SW
227°
SW
235°
SW
Wind chill27°C (80°F)26°C (80°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (80°F)27°C (80°F)27°C (80°F)
Waves
Height1.0m (3.2ft)1.0m (3.1ft)0.9m (3.1ft)0.9m (3.1ft)0.9m (3.1ft)0.9m (3.1ft)0.9m (3.1ft)0.9m (3.0ft)
Direction 200°
SSW
201°
SSW
201°
SSW
202°
SSW
202°
SSW
202°
SSW
202°
SSW
203°
SSW
Period11.9 sec.11.8 sec.11.8 sec.11.7 sec.11.7 sec.11.7 sec.11.7 sec.11.7 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)1.0m (3.3ft)1.0m (3.3ft)0.6m (2ft)0.9m (3ft)
Sea water temperature
Water temperature25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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