Sea weather in Jaco in Costa Rica All the beach weather in Jaco

All the essential weather information for enjoying the beach in Jaco in Costa Rica, 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 Jaco over the next 7 days?

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

Date Outside temp. Our opinion
Wednesday 3 June 202677°F to 85°Frecommended
Thursday 4 June 202677°F to 85°Frecommended
Friday 5 June 202677°F to 83°Frecommended
Saturday 6 June 202676°F to 79°Frecommended
Sunday 7 June 202674°F to 77°Fnot recommended
Monday 8 June 202674°F to 77°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Jaco

Sea weather on Wednesday 3 June 2026

On Wednesday 3 June 2026, the sun will rise at 05:17 and will set at 17:57 on the beach(es) of Jaco. The outside temperature will be a high of 85°F t and a low of 77°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 7.5mph km/h (with gusts up to 15.5mph). Wave height will be up to 3.9ft 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)29°C (84°F)26°C (78°F)29°C (84°F)27°C (81°F)26°C (79°F)
Perceived temperature30°C (86°F)30°C (86°F)30°C (85°F)32°C (90°F)27°C (81°F)33°C (91°F)31°C (88°F)29°C (85°F)
Precipitation0in0in0in0in0in0.1in0.1in0.1in
Humidity81%80%79%71%69%73%82%87%
Barometric pressure1010 hPa1009 hPa1010 hPa1011 hPa1010 hPa1008 hPa1009 hPa1011 hPa
Cloud cover45%20%22%18%14%38%58%86%
Heat index30°C (86°F)30°C (86°F)30°C (85°F)32°C (90°F)27°C (81°F)33°C (91°F)31°C (88°F)29°C (85°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)20°C (67°F)23°C (74°F)24°C (75°F)24°C (75°F)
Wind
Speed1km/h (1mph)4km/h (2mph)5km/h (3mph)6km/h (4mph)12km/h (7mph)11km/h (7mph)9km/h (5mph)12km/h (7mph)
Gusts2km/h (1mph)6km/h (4mph)8km/h (5mph)8km/h (5mph)25km/h (16mph)18km/h (11mph)18km/h (11mph)23km/h (14mph)
Direction 114°
ESE
40°
NE
19°
NNE
317°
NW
243°
WSW
235°
SW
231°
SW
151°
SSE
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)29°C (84°F)26°C (78°F)29°C (84°F)27°C (81°F)26°C (79°F)
Waves
Height1.2m (3.8ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.7ft)1.1m (3.8ft)
Direction 222°
SW
223°
SW
223°
SW
222°
SW
222°
SW
223°
SW
223°
SW
218°
SW
Period15.3 sec.15.3 sec.15.2 sec.14.8 sec.14.6 sec.14.6 sec.14.6 sec.14.6 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)1.0m (3.3ft)1.2m (3.9ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Thursday 4 June 2026

On Thursday 4 June 2026, the sun will rise at 05:17 and will set at 17:57 on the beach(es) of Jaco. The outside temperature will be a high of 85°F t and a low of 77°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 8.7mph km/h (with gusts up to 14.9mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)26°C (78°F)26°C (79°F)28°C (83°F)27°C (81°F)27°C (81°F)26°C (79°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (83°F)29°C (84°F)31°C (88°F)30°C (87°F)30°C (86°F)29°C (84°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity91%86%82%72%76%79%82%82%
Barometric pressure1011 hPa1010 hPa1011 hPa1012 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover77%55%25%48%38%50%36%49%
Heat index28°C (83°F)28°C (83°F)29°C (84°F)31°C (88°F)30°C (87°F)30°C (86°F)29°C (84°F)29°C (84°F)
Dew point24°C (75°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)
Wind
Speed11km/h (7mph)10km/h (6mph)10km/h (6mph)8km/h (5mph)14km/h (9mph)9km/h (6mph)6km/h (4mph)5km/h (3mph)
Gusts24km/h (15mph)15km/h (9mph)16km/h (10mph)9km/h (6mph)20km/h (12mph)14km/h (9mph)11km/h (7mph)8km/h (5mph)
Direction 122°
ESE
100°
E
101°
E
144°
SE
179°
S
185°
S
177°
S
139°
SE
Wind chill25°C (77°F)26°C (78°F)26°C (79°F)28°C (83°F)27°C (81°F)27°C (81°F)26°C (79°F)26°C (79°F)
Waves
Height1.2m (3.9ft)1.2m (4.0ft)1.3m (4.2ft)1.3m (4.4ft)1.4m (4.5ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)
Direction 218°
SW
217°
SW
217°
SW
217°
SW
218°
SW
218°
SW
218°
SW
218°
SW
Period14.2 sec.17.6 sec.15.1 sec.15.1 sec.16.6 sec.14.7 sec.14.6 sec.14.4 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Friday 5 June 2026

On Friday 5 June 2026, the sun will rise at 05:18 and will set at 17:57 on the beach(es) of Jaco. The outside temperature will be a high of 83°F t and a low of 77°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 5.6mph km/h (with gusts up to 8.1mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (78°F)26°C (78°F)27°C (81°F)27°C (80°F)26°C (80°F)26°C (79°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (82°F)30°C (86°F)29°C (85°F)29°C (85°F)29°C (84°F)29°C (84°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity84%83%81%75%77%80%81%80%
Barometric pressure1012 hPa1010 hPa1011 hPa1012 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover64%58%48%48%37%37%74%56%
Heat index28°C (83°F)28°C (82°F)28°C (82°F)30°C (86°F)29°C (85°F)29°C (85°F)29°C (84°F)29°C (84°F)
Dew point23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)22°C (72°F)
Wind
Speed5km/h (3mph)6km/h (4mph)3km/h (2mph)4km/h (2mph)9km/h (5mph)8km/h (5mph)3km/h (2mph)2km/h (1mph)
Gusts10km/h (6mph)11km/h (7mph)6km/h (4mph)5km/h (3mph)13km/h (8mph)13km/h (8mph)6km/h (4mph)4km/h (2mph)
Direction 145°
SE
109°
ESE
87°
E
234°
SW
233°
SW
237°
WSW
201°
SSW
210°
SSW
Wind chill26°C (78°F)25°C (78°F)26°C (78°F)27°C (81°F)27°C (80°F)26°C (80°F)26°C (79°F)26°C (79°F)
Waves
Height1.4m (4.6ft)1.4m (4.6ft)1.4m (4.7ft)1.4m (4.7ft)1.4m (4.7ft)1.5m (4.8ft)1.5m (5.0ft)1.5m (4.9ft)
Direction 218°
SW
218°
SW
220°
SW
220°
SW
220°
SW
221°
SW
221°
SW
221°
SW
Period14.1 sec.15.6 sec.15.7 sec.17.5 sec.17.3 sec.17.1 sec.17.0 sec.16.8 sec.
Significant height1.1m (3.6ft)1.3m (4.3ft)1.3m (4.3ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.4m (1.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Saturday 6 June 2026

On Saturday 6 June 2026, the sun will rise at 05:18 and will set at 17:58 on the beach(es) of Jaco. The outside temperature will be a high of 79°F t and a low of 76°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 8.1mph km/h (with gusts up to 14.3mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (78°F)25°C (76°F)25°C (77°F)26°C (78°F)25°C (78°F)25°C (77°F)24°C (76°F)
Perceived temperature28°C (82°F)28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity84%83%87%87%82%85%87%92%
Barometric pressure1011 hPa1010 hPa1011 hPa1012 hPa1011 hPa1009 hPa1011 hPa1012 hPa
Cloud cover48%100%74%59%75%81%100%100%
Heat index28°C (82°F)28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (80°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)
Wind
Speed6km/h (4mph)5km/h (3mph)3km/h (2mph)1km/h (1mph)9km/h (6mph)11km/h (7mph)12km/h (7mph)13km/h (8mph)
Gusts11km/h (7mph)8km/h (5mph)5km/h (3mph)2km/h (1mph)14km/h (9mph)18km/h (11mph)23km/h (14mph)22km/h (13mph)
Direction 44°
NE
88°
E
97°
E
190°
S
192°
SSW
184°
S
181°
S
197°
SSW
Wind chill25°C (78°F)25°C (78°F)25°C (76°F)25°C (77°F)26°C (78°F)25°C (78°F)25°C (77°F)24°C (76°F)
Waves
Height1.5m (4.8ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.8ft)1.4m (4.7ft)1.4m (4.7ft)1.4m (4.7ft)1.5m (4.9ft)
Direction 220°
SW
220°
SW
220°
SW
220°
SW
220°
SW
220°
SW
220°
SW
220°
SW
Period16.4 sec.16.2 sec.16.2 sec.16.3 sec.16.2 sec.15.9 sec.15.5 sec.15.4 sec.
Significant height0.4m (1.3ft)0.1m (0.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.7m (2.3ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Sunday 7 June 2026

On Sunday 7 June 2026, the sun will rise at 05:18 and will set at 17:58 on the beach(es) of Jaco. The outside temperature will be a high of 77°F t and a low of 74°F. A total of 0.8in of precipitation could spoil your day at the beach. The sea will be generally calm, with a wind speed of up to 9.3mph km/h (with gusts up to 18mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (74°F)23°C (74°F)24°C (75°F)25°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)
Perceived temperature26°C (80°F)26°C (79°F)25°C (78°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)
Precipitation0.2in0.2in0.3in0in0in0in0in0in
Humidity94%94%94%90%84%87%85%89%
Barometric pressure1012 hPa1011 hPa1012 hPa1012 hPa1012 hPa1010 hPa1010 hPa1013 hPa
Cloud cover100%100%100%84%61%96%59%82%
Heat index26°C (80°F)26°C (79°F)25°C (78°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)
Dew point23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (71°F)22°C (71°F)21°C (70°F)22°C (71°F)
Wind
Speed15km/h (10mph)10km/h (6mph)6km/h (4mph)9km/h (5mph)7km/h (4mph)8km/h (5mph)10km/h (6mph)12km/h (7mph)
Gusts29km/h (18mph)14km/h (9mph)10km/h (6mph)12km/h (8mph)11km/h (7mph)12km/h (7mph)17km/h (10mph)17km/h (11mph)
Direction 180°
S
117°
ESE
146°
SE
106°
ESE
144°
SE
172°
S
129°
SE
115°
ESE
Wind chill24°C (75°F)24°C (74°F)23°C (74°F)24°C (75°F)25°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)
Waves
Height1.5m (5.1ft)1.6m (5.3ft)1.6m (5.2ft)1.6m (5.2ft)1.7m (5.5ft)1.7m (5.6ft)1.7m (5.5ft)1.7m (5.4ft)
Direction 220°
SW
219°
SW
219°
SW
219°
SW
219°
SW
218°
SW
218°
SW
218°
SW
Period15.4 sec.9.0 sec.8.7 sec.8.5 sec.9.8 sec.9.2 sec.9.0 sec.8.8 sec.
Significant height0.6m (2ft)0.4m (1.3ft)0.6m (2ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Monday 8 June 2026

On Monday 8 June 2026, the sun will rise at 05:18 and will set at 17:58 on the beach(es) of Jaco. The outside temperature will be a high of 77°F t and a low of 74°F. Precipitation is in the forecast (0.5in 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 16.2mph). Wave height will be up to 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (74°F)23°C (74°F)24°C (74°F)24°C (74°F)24°C (75°F)25°C (76°F)24°C (75°F)25°C (77°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (79°F)26°C (78°F)26°C (79°F)27°C (80°F)26°C (79°F)27°C (81°F)
Precipitation0.1in0.2in0.1in0.1in0in0in0in0in
Humidity93%93%91%92%87%81%85%82%
Barometric pressure1013 hPa1012 hPa1013 hPa1014 hPa1013 hPa1011 hPa1012 hPa1013 hPa
Cloud cover100%100%100%100%70%50%63%48%
Heat index26°C (79°F)26°C (78°F)26°C (79°F)26°C (78°F)26°C (79°F)27°C (80°F)26°C (79°F)27°C (81°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (71°F)21°C (70°F)21°C (71°F)22°C (71°F)
Wind
Speed11km/h (7mph)11km/h (7mph)14km/h (9mph)15km/h (9mph)7km/h (4mph)3km/h (2mph)9km/h (5mph)11km/h (7mph)
Gusts18km/h (11mph)18km/h (11mph)26km/h (16mph)23km/h (14mph)13km/h (8mph)4km/h (3mph)14km/h (9mph)18km/h (11mph)
Direction 138°
SE
155°
SSE
113°
ESE
113°
ESE
72°
ENE
258°
WSW
333°
NNW

N
Wind chill24°C (74°F)23°C (74°F)24°C (74°F)24°C (74°F)24°C (75°F)25°C (76°F)24°C (75°F)25°C (77°F)
Waves
Height1.6m (5.4ft)1.7m (5.4ft)1.7m (5.6ft)1.7m (5.7ft)1.8m (5.8ft)1.8m (6.0ft)1.9m (6.2ft)1.9m (6.3ft)
Direction 218°
SW
218°
SW
210°
SSW
211°
SSW
211°
SSW
211°
SSW
211°
SSW
212°
SSW
Period8.6 sec.8.6 sec.8.7 sec.8.8 sec.8.8 sec.8.9 sec.9.1 sec.18.6 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)1.0m (3.3ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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