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
Thursday 4 December 202576°F to 81°Frecommended
Friday 5 December 202574°F to 81°Frecommended
Saturday 6 December 202574°F to 81°Frecommended
Sunday 7 December 202574°F to 79°Frecommended
Monday 8 December 202576°F to 79°Frecommended
Tuesday 9 December 202576°F to 79°Frecommended
Wednesday 10 December 202574°F to 79°Frecommended

Sea Weather: Your daily and hourly sea weather in Jaco

Sea weather on Thursday 4 December 2025

On Thursday 4 December 2025, the sun will rise at 05:42 and will set at 17:17 on the beach(es) of Jaco. The outside temperature will be a high of 81°F t and a low of 76°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 6.2mph km/h (with gusts up to 9.9mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (75°F)24°C (74°F)27°C (80°F)27°C (80°F)26°C (79°F)26°C (78°F)25°C (78°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (78°F)29°C (84°F)29°C (84°F)29°C (84°F)28°C (83°F)28°C (82°F)
Precipitation0in0in0in0in0in0.1in0in0in
Humidity85%82%79%69%72%80%80%81%
Barometric pressure1012 hPa1011 hPa1013 hPa1013 hPa1011 hPa1010 hPa1011 hPa1013 hPa
Cloud cover81%81%9%15%19%59%73%52%
Heat index27°C (80°F)26°C (79°F)26°C (78°F)29°C (84°F)29°C (84°F)29°C (84°F)28°C (83°F)28°C (82°F)
Dew point22°C (71°F)21°C (69°F)20°C (67°F)21°C (69°F)21°C (70°F)23°C (73°F)22°C (72°F)22°C (71°F)
Wind
Speed7km/h (4mph)7km/h (4mph)8km/h (5mph)6km/h (4mph)9km/h (6mph)10km/h (6mph)5km/h (3mph)8km/h (5mph)
Gusts11km/h (7mph)11km/h (7mph)13km/h (8mph)8km/h (5mph)14km/h (9mph)16km/h (10mph)10km/h (6mph)14km/h (9mph)
Direction 48°
NE
23°
NNE
42°
NE
95°
E
160°
SSE
157°
SSE
130°
SE
79°
E
Wind chill24°C (76°F)24°C (75°F)24°C (74°F)27°C (80°F)27°C (80°F)26°C (79°F)26°C (78°F)25°C (78°F)
Waves
Height0.9m (2.9ft)0.9m (2.9ft)0.8m (2.8ft)0.8m (2.8ft)0.8m (2.8ft)0.8m (2.8ft)0.8m (2.7ft)0.8m (2.7ft)
Direction 200°
SSW
200°
SSW
199°
SSW
199°
SSW
199°
SSW
199°
SSW
199°
SSW
201°
SSW
Period5.9 sec.5.8 sec.5.8 sec.5.7 sec.5.7 sec.5.7 sec.5.7 sec.5.7 sec.
Significant height1.0m (3.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 05:42 and will set at 17:17 on the beach(es) of Jaco. The outside temperature will be a high of 81°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 6.2mph km/h (with gusts up to 11.2mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)24°C (75°F)23°C (74°F)27°C (80°F)23°C (74°F)26°C (79°F)25°C (78°F)25°C (77°F)
Perceived temperature27°C (80°F)26°C (78°F)25°C (78°F)28°C (83°F)25°C (77°F)29°C (83°F)28°C (82°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%80%77%66%69%75%81%82%
Barometric pressure1012 hPa1011 hPa1012 hPa1014 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover53%70%8%9%10%87%81%61%
Heat index27°C (80°F)26°C (78°F)25°C (78°F)28°C (83°F)25°C (77°F)29°C (83°F)28°C (82°F)27°C (80°F)
Dew point21°C (70°F)20°C (68°F)19°C (66°F)20°C (67°F)17°C (63°F)22°C (71°F)22°C (71°F)22°C (71°F)
Wind
Speed8km/h (5mph)9km/h (6mph)10km/h (6mph)5km/h (3mph)9km/h (5mph)10km/h (6mph)9km/h (6mph)8km/h (5mph)
Gusts13km/h (8mph)16km/h (10mph)18km/h (11mph)6km/h (4mph)18km/h (11mph)14km/h (9mph)16km/h (10mph)13km/h (8mph)
Direction 66°
ENE
53°
NE
63°
ENE
93°
E
181°
S
167°
SSE
142°
SE
107°
ESE
Wind chill25°C (77°F)24°C (75°F)23°C (74°F)27°C (80°F)23°C (74°F)26°C (79°F)25°C (78°F)25°C (77°F)
Waves
Height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.5ft)0.8m (2.5ft)0.8m (2.5ft)0.8m (2.5ft)0.8m (2.6ft)0.8m (2.6ft)
Direction 201°
SSW
201°
SSW
200°
SSW
200°
SSW
211°
SSW
211°
SSW
211°
SSW
211°
SSW
Period5.6 sec.5.5 sec.10.1 sec.10.0 sec.9.9 sec.5.5 sec.5.5 sec.5.6 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 05:43 and will set at 17:18 on the beach(es) of Jaco. The outside temperature will be a high of 81°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 8.7mph km/h (with gusts up to 13.1mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)23°C (74°F)23°C (74°F)26°C (79°F)27°C (80°F)26°C (79°F)25°C (77°F)25°C (76°F)
Perceived temperature26°C (79°F)25°C (78°F)25°C (77°F)28°C (82°F)29°C (84°F)28°C (82°F)27°C (81°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%81%78%70%72%76%82%82%
Barometric pressure1011 hPa1010 hPa1011 hPa1013 hPa1011 hPa1009 hPa1011 hPa1013 hPa
Cloud cover81%75%21%13%85%85%86%88%
Heat index26°C (79°F)25°C (78°F)25°C (77°F)28°C (82°F)29°C (84°F)28°C (82°F)27°C (81°F)27°C (80°F)
Dew point21°C (70°F)20°C (68°F)19°C (66°F)20°C (69°F)21°C (70°F)21°C (70°F)22°C (71°F)21°C (71°F)
Wind
Speed7km/h (4mph)9km/h (6mph)9km/h (5mph)6km/h (4mph)13km/h (8mph)14km/h (9mph)10km/h (6mph)12km/h (8mph)
Gusts12km/h (7mph)16km/h (10mph)15km/h (9mph)7km/h (4mph)18km/h (11mph)21km/h (13mph)16km/h (10mph)19km/h (12mph)
Direction 85°
E
62°
ENE
66°
ENE
105°
ESE
176°
S
164°
SSE
135°
SE
115°
ESE
Wind chill24°C (76°F)23°C (74°F)23°C (74°F)26°C (79°F)27°C (80°F)26°C (79°F)25°C (77°F)25°C (76°F)
Waves
Height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.8ft)0.9m (2.9ft)0.9m (2.9ft)0.9m (2.8ft)
Direction 211°
SSW
213°
SSW
212°
SSW
212°
SSW
212°
SSW
212°
SSW
211°
SSW
211°
SSW
Period5.6 sec.5.5 sec.9.6 sec.5.9 sec.6.0 sec.6.1 sec.6.1 sec.6.0 sec.
Significant height0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 05:43 and will set at 17:18 on the beach(es) of Jaco. The outside temperature will be a high of 79°F t and a low of 74°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 9.3mph km/h (with gusts up to 17.4mph). Wave height will be up to 3.3ft 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)26°C (78°F)25°C (77°F)24°C (75°F)24°C (74°F)24°C (75°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (79°F)28°C (82°F)27°C (81°F)26°C (79°F)26°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0.1in0.1in0in0in
Humidity83%83%81%78%84%87%88%85%
Barometric pressure1012 hPa1010 hPa1012 hPa1014 hPa1012 hPa1011 hPa1012 hPa1014 hPa
Cloud cover28%18%72%65%71%80%86%76%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)28°C (82°F)27°C (81°F)26°C (79°F)26°C (78°F)26°C (79°F)
Dew point21°C (70°F)21°C (69°F)21°C (69°F)22°C (71°F)22°C (72°F)22°C (71°F)21°C (71°F)21°C (71°F)
Wind
Speed12km/h (7mph)9km/h (6mph)10km/h (6mph)13km/h (8mph)15km/h (10mph)12km/h (8mph)10km/h (6mph)6km/h (4mph)
Gusts18km/h (11mph)15km/h (9mph)16km/h (10mph)17km/h (11mph)28km/h (17mph)22km/h (14mph)21km/h (13mph)9km/h (5mph)
Direction 98°
E
96°
E
101°
E
158°
SSE
191°
S
147°
SSE
137°
SE
89°
E
Wind chill24°C (76°F)24°C (75°F)24°C (75°F)26°C (78°F)25°C (77°F)24°C (75°F)24°C (74°F)24°C (75°F)
Waves
Height0.8m (2.7ft)0.8m (2.6ft)0.8m (2.7ft)1.0m (3.2ft)1.0m (3.4ft)1.0m (3.4ft)1.0m (3.2ft)0.9m (3.1ft)
Direction 212°
SSW
212°
SSW
212°
SSW
192°
SSW
195°
SSW
198°
SSW
211°
SSW
211°
SSW
Period5.9 sec.5.8 sec.6.0 sec.6.3 sec.6.3 sec.6.2 sec.6.1 sec.5.9 sec.
Significant height0.9m (3ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 05:44 and will set at 17:18 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 (0.2in 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 9.3mph km/h (with gusts up to 17.4mph). Wave height will be up to 3.9ft 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)26°C (78°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)28°C (82°F)27°C (81°F)27°C (81°F)26°C (79°F)26°C (79°F)
Precipitation0in0in0in0in0.1in0.1in0in0in
Humidity85%85%83%79%80%84%85%85%
Barometric pressure1013 hPa1011 hPa1012 hPa1014 hPa1012 hPa1011 hPa1012 hPa1014 hPa
Cloud cover71%39%77%71%56%80%61%72%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)28°C (82°F)27°C (81°F)27°C (81°F)26°C (79°F)26°C (79°F)
Dew point21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)22°C (71°F)22°C (72°F)21°C (70°F)21°C (70°F)
Wind
Speed7km/h (4mph)9km/h (6mph)6km/h (4mph)11km/h (7mph)14km/h (9mph)15km/h (10mph)4km/h (2mph)2km/h (1mph)
Gusts11km/h (7mph)14km/h (9mph)10km/h (6mph)17km/h (11mph)27km/h (17mph)28km/h (17mph)7km/h (5mph)3km/h (2mph)
Direction 83°
E
86°
E
124°
ESE
167°
SSE
180°
S
205°
SSW
186°
S
71°
ENE
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)26°C (78°F)25°C (77°F)25°C (77°F)24°C (75°F)24°C (75°F)
Waves
Height0.9m (3.0ft)0.9m (3.0ft)0.9m (3.0ft)1.0m (3.1ft)1.0m (3.4ft)1.2m (3.9ft)1.2m (4.1ft)1.2m (3.8ft)
Direction 206°
SSW
205°
SSW
205°
SSW
204°
SSW
206°
SSW
205°
SSW
205°
SSW
205°
SSW
Period5.7 sec.5.7 sec.5.9 sec.6.2 sec.6.2 sec.6.1 sec.6.0 sec.6.0 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)0.8m (2.6ft)1.0m (3.3ft)1.1m (3.6ft)0.2m (0.7ft)0.9m (3ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 05:44 and will set at 17:19 on the beach(es) of Jaco. The outside temperature will be a high of 79°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 5.6mph km/h (with gusts up to 7.5mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (75°F)24°C (74°F)26°C (78°F)26°C (78°F)26°C (78°F)25°C (77°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (78°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (81°F)26°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%85%84%76%77%77%80%85%
Barometric pressure1012 hPa1011 hPa1012 hPa1013 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover32%85%21%19%52%88%53%70%
Heat index26°C (79°F)26°C (79°F)26°C (78°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (81°F)26°C (80°F)
Dew point21°C (70°F)21°C (70°F)21°C (69°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (71°F)22°C (71°F)
Wind
Speed1km/h (1mph)3km/h (2mph)3km/h (2mph)1km/h (1mph)9km/h (5mph)8km/h (5mph)4km/h (2mph)1km/h (1mph)
Gusts2km/h (1mph)5km/h (3mph)4km/h (2mph)1km/h (1mph)12km/h (8mph)11km/h (7mph)6km/h (4mph)2km/h (1mph)
Direction 57°
ENE
28°
NNE
55°
NE
123°
ESE
230°
SW
235°
SW
230°
SW

N
Wind chill24°C (75°F)24°C (75°F)24°C (74°F)26°C (78°F)26°C (78°F)26°C (78°F)25°C (77°F)24°C (76°F)
Waves
Height1.1m (3.6ft)1.0m (3.4ft)1.0m (3.3ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.2ft)
Direction 204°
SSW
204°
SSW
205°
SSW
205°
SSW
205°
SSW
205°
SSW
205°
SSW
204°
SSW
Period6.1 sec.6.0 sec.13.7 sec.13.5 sec.13.4 sec.13.3 sec.13.3 sec.13.2 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 05:45 and will set at 17:19 on the beach(es) of Jaco. 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 5.6mph km/h (with gusts up to 8.1mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (75°F)23°C (74°F)26°C (78°F)26°C (78°F)26°C (78°F)25°C (77°F)25°C (77°F)
Perceived temperature26°C (79°F)26°C (78°F)25°C (77°F)27°C (81°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%84%84%72%70%76%82%83%
Barometric pressure1011 hPa1010 hPa1011 hPa1012 hPa1010 hPa1008 hPa1009 hPa1010 hPa
Cloud cover58%89%76%14%19%86%72%63%
Heat index26°C (79°F)26°C (78°F)25°C (77°F)27°C (81°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (81°F)
Dew point21°C (70°F)21°C (70°F)20°C (68°F)20°C (69°F)20°C (68°F)21°C (70°F)22°C (71°F)22°C (71°F)
Wind
Speed3km/h (2mph)4km/h (2mph)7km/h (4mph)3km/h (2mph)5km/h (3mph)9km/h (6mph)5km/h (3mph)4km/h (2mph)
Gusts4km/h (3mph)6km/h (4mph)12km/h (7mph)3km/h (2mph)8km/h (5mph)13km/h (8mph)8km/h (5mph)6km/h (4mph)
Direction 21°
NNE
23°
NNE
44°
NE
17°
NNE
218°
SW
194°
SSW
179°
S
148°
SSE
Wind chill24°C (76°F)24°C (75°F)23°C (74°F)26°C (78°F)26°C (78°F)26°C (78°F)25°C (77°F)25°C (77°F)
Waves
Height0.9m (3.1ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (2.9ft)0.9m (2.9ft)0.9m (2.9ft)0.9m (2.9ft)0.9m (2.9ft)
Direction 204°
SSW
203°
SSW
202°
SSW
201°
SSW
199°
SSW
202°
SSW
205°
SSW
208°
SSW
Period13.1 sec.13.1 sec.13.2 sec.13.5 sec.14.1 sec.14.2 sec.14.2 sec.14.1 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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