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
Saturday 13 December 202576°F to 81°Frecommended
Sunday 14 December 202576°F to 81°Frecommended
Monday 15 December 202576°F to 81°Frecommended
Tuesday 16 December 202574°F to 81°Frecommended
Wednesday 17 December 202574°F to 81°Frecommended
Thursday 18 December 202574°F to 79°Frecommended
Friday 19 December 202574°F to 81°Frecommended

Sea Weather: Your daily and hourly sea weather in Jaco

Sea weather on Saturday 13 December 2025

On Saturday 13 December 2025, the sun will rise at 05:46 and will set at 17:20 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 5.6mph km/h (with gusts up to 8.7mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (76°F)24°C (75°F)27°C (80°F)27°C (80°F)27°C (80°F)25°C (78°F)25°C (77°F)
Perceived temperature27°C (81°F)27°C (80°F)26°C (79°F)29°C (85°F)29°C (84°F)29°C (85°F)28°C (82°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0.1in0in
Humidity82%82%82%72%73%75%83%82%
Barometric pressure1010 hPa1009 hPa1010 hPa1012 hPa1009 hPa1007 hPa1009 hPa1011 hPa
Cloud cover81%82%78%79%83%83%79%70%
Heat index27°C (81°F)27°C (80°F)26°C (79°F)29°C (85°F)29°C (84°F)29°C (85°F)28°C (82°F)28°C (82°F)
Dew point22°C (71°F)21°C (70°F)21°C (69°F)22°C (71°F)21°C (70°F)22°C (72°F)22°C (72°F)22°C (72°F)
Wind
Speed4km/h (2mph)6km/h (4mph)6km/h (4mph)1km/h (1mph)8km/h (5mph)9km/h (6mph)5km/h (3mph)1km/h (1mph)
Gusts6km/h (4mph)10km/h (7mph)10km/h (7mph)1km/h (1mph)12km/h (7mph)14km/h (8mph)8km/h (5mph)2km/h (1mph)
Direction 30°
NNE
16°
NNE
36°
NE
319°
NW
234°
SW
215°
SW
209°
SSW
72°
ENE
Wind chill25°C (77°F)25°C (76°F)24°C (75°F)27°C (80°F)27°C (80°F)27°C (80°F)25°C (78°F)25°C (77°F)
Waves
Height1.0m (3.4ft)1.1m (3.6ft)1.1m (3.7ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.5ft)1.0m (3.4ft)1.0m (3.3ft)
Direction 198°
SSW
198°
SSW
198°
SSW
198°
SSW
199°
SSW
200°
SSW
201°
SSW
202°
SSW
Period6.9 sec.7.0 sec.7.1 sec.7.1 sec.7.0 sec.6.9 sec.6.8 sec.6.8 sec.
Significant height0.9m (3ft)1.0m (3.3ft)0.3m (1ft)0.3m (1ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)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 Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 05:47 and will set at 17:21 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 5mph km/h (with gusts up to 6.8mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (75°F)24°C (75°F)26°C (80°F)26°C (79°F)27°C (80°F)25°C (78°F)25°C (77°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (78°F)28°C (83°F)28°C (83°F)29°C (84°F)28°C (82°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0.1in0in
Humidity83%82%80%72%72%76%82%83%
Barometric pressure1011 hPa1009 hPa1011 hPa1013 hPa1011 hPa1009 hPa1011 hPa1012 hPa
Cloud cover75%79%80%29%72%56%66%90%
Heat index27°C (80°F)26°C (79°F)26°C (78°F)28°C (83°F)28°C (83°F)29°C (84°F)28°C (82°F)27°C (81°F)
Dew point22°C (71°F)21°C (69°F)20°C (68°F)21°C (70°F)21°C (69°F)22°C (71°F)22°C (72°F)22°C (71°F)
Wind
Speed5km/h (3mph)6km/h (4mph)6km/h (4mph)3km/h (2mph)8km/h (5mph)8km/h (5mph)3km/h (2mph)2km/h (1mph)
Gusts9km/h (5mph)10km/h (6mph)11km/h (7mph)3km/h (2mph)11km/h (7mph)11km/h (7mph)6km/h (4mph)3km/h (2mph)
Direction 40°
NE
55°
NE
64°
ENE
84°
E
207°
SSW
197°
SSW
162°
SSE
48°
NE
Wind chill25°C (76°F)24°C (75°F)24°C (75°F)26°C (80°F)26°C (79°F)27°C (80°F)25°C (78°F)25°C (77°F)
Waves
Height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.4ft)1.0m (3.4ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.2ft)0.9m (3.1ft)
Direction 203°
SSW
223°
SW
223°
SW
203°
SSW
203°
SSW
204°
SSW
204°
SSW
206°
SSW
Period6.8 sec.6.8 sec.6.8 sec.6.8 sec.6.7 sec.6.7 sec.6.5 sec.6.4 sec.
Significant height0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)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 Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 05:47 and will set at 17:21 on the beach(es) of Jaco. The outside temperature will be a high of 81°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 5mph km/h (with gusts up to 7.5mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)24°C (76°F)24°C (75°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)25°C (77°F)
Perceived temperature27°C (81°F)26°C (79°F)26°C (79°F)28°C (83°F)28°C (83°F)29°C (84°F)28°C (82°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%82%82%74%72%77%81%82%
Barometric pressure1011 hPa1010 hPa1011 hPa1013 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover73%38%25%31%77%78%63%73%
Heat index27°C (81°F)26°C (79°F)26°C (79°F)28°C (83°F)28°C (83°F)29°C (84°F)28°C (82°F)27°C (81°F)
Dew point22°C (71°F)21°C (70°F)21°C (69°F)21°C (70°F)21°C (70°F)22°C (72°F)22°C (72°F)22°C (71°F)
Wind
Speed5km/h (3mph)6km/h (4mph)7km/h (4mph)4km/h (2mph)8km/h (5mph)8km/h (5mph)4km/h (3mph)4km/h (2mph)
Gusts8km/h (5mph)10km/h (6mph)12km/h (7mph)4km/h (3mph)11km/h (7mph)12km/h (7mph)7km/h (5mph)6km/h (4mph)
Direction 20°
NNE
15°
NNE
46°
NE
65°
ENE
210°
SSW
180°
S
151°
SSE
57°
ENE
Wind chill25°C (77°F)24°C (76°F)24°C (75°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)25°C (77°F)
Waves
Height1.0m (3.1ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.4ft)1.0m (3.4ft)1.0m (3.3ft)1.0m (3.1ft)0.9m (3.1ft)
Direction 222°
SW
222°
SW
222°
SW
220°
SW
218°
SW
215°
SW
205°
SSW
206°
SSW
Period6.4 sec.6.4 sec.6.4 sec.6.4 sec.6.3 sec.6.3 sec.6.2 sec.6.3 sec.
Significant height1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)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 Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 05:48 and will set at 17:22 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 5.6mph km/h (with gusts up to 9.3mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (74°F)23°C (74°F)26°C (80°F)26°C (79°F)27°C (80°F)26°C (78°F)25°C (77°F)
Perceived temperature26°C (79°F)25°C (78°F)25°C (77°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (82°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%79%77%65%66%75%80%81%
Barometric pressure1011 hPa1009 hPa1010 hPa1012 hPa1010 hPa1008 hPa1010 hPa1012 hPa
Cloud cover15%24%15%19%20%91%67%52%
Heat index26°C (79°F)25°C (78°F)25°C (77°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (82°F)27°C (81°F)
Dew point21°C (69°F)20°C (67°F)19°C (66°F)19°C (67°F)19°C (67°F)22°C (71°F)22°C (71°F)22°C (71°F)
Wind
Speed7km/h (4mph)9km/h (5mph)9km/h (5mph)3km/h (2mph)8km/h (5mph)7km/h (4mph)6km/h (4mph)5km/h (3mph)
Gusts12km/h (7mph)15km/h (9mph)15km/h (9mph)3km/h (2mph)12km/h (7mph)10km/h (6mph)9km/h (6mph)8km/h (5mph)
Direction 40°
NE
34°
NE
46°
NE
44°
NE
199°
SSW
185°
S
145°
SE
73°
ENE
Wind chill24°C (76°F)24°C (74°F)23°C (74°F)26°C (80°F)26°C (79°F)27°C (80°F)26°C (78°F)25°C (77°F)
Waves
Height1.0m (3.2ft)1.1m (3.5ft)1.1m (3.6ft)1.1m (3.5ft)1.0m (3.3ft)0.9m (3.1ft)0.9m (3.0ft)0.9m (3.0ft)
Direction 215°
SW
216°
SW
214°
SW
214°
SSW
214°
SW
215°
SW
216°
SW
216°
SW
Period6.3 sec.6.3 sec.6.2 sec.6.2 sec.6.1 sec.6.1 sec.6.0 sec.5.9 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (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 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 05:48 and will set at 17:22 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 5.6mph km/h (with gusts up to 10.6mph). 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 (74°F)23°C (74°F)26°C (79°F)23°C (74°F)26°C (79°F)25°C (78°F)25°C (77°F)
Perceived temperature26°C (79°F)25°C (78°F)25°C (77°F)28°C (82°F)25°C (77°F)28°C (83°F)28°C (82°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%76%73%64%67%73%81%81%
Barometric pressure1011 hPa1009 hPa1011 hPa1012 hPa1010 hPa1008 hPa1009 hPa1011 hPa
Cloud cover79%70%11%6%6%17%52%77%
Heat index26°C (79°F)25°C (78°F)25°C (77°F)28°C (82°F)25°C (77°F)28°C (83°F)28°C (82°F)27°C (81°F)
Dew point21°C (69°F)19°C (66°F)18°C (65°F)19°C (66°F)17°C (62°F)21°C (70°F)22°C (71°F)22°C (71°F)
Wind
Speed8km/h (5mph)9km/h (6mph)8km/h (5mph)5km/h (3mph)8km/h (5mph)9km/h (6mph)8km/h (5mph)2km/h (1mph)
Gusts13km/h (8mph)16km/h (10mph)15km/h (9mph)7km/h (4mph)17km/h (11mph)14km/h (8mph)12km/h (7mph)3km/h (2mph)
Direction 49°
NE
30°
NNE
42°
NE
86°
E
194°
SSW
179°
S
184°
S
102°
ESE
Wind chill24°C (76°F)24°C (74°F)23°C (74°F)26°C (79°F)23°C (74°F)26°C (79°F)25°C (78°F)25°C (77°F)
Waves
Height1.0m (3.1ft)1.0m (3.2ft)1.0m (3.3ft)1.0m (3.2ft)1.0m (3.1ft)0.9m (3.1ft)0.9m (3.1ft)1.0m (3.1ft)
Direction 217°
SW
217°
SW
217°
SW
216°
SW
216°
SW
215°
SW
217°
SW
216°
SW
Period5.9 sec.5.9 sec.6.1 sec.6.1 sec.6.1 sec.6.1 sec.6.0 sec.5.9 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)1.1m (3.6ft)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 Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 05:49 and will set at 17:23 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 9.3mph). 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 (74°F)23°C (74°F)26°C (79°F)23°C (74°F)26°C (80°F)25°C (78°F)25°C (77°F)
Perceived temperature26°C (79°F)26°C (78°F)25°C (77°F)28°C (82°F)25°C (77°F)28°C (83°F)27°C (81°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%80%77%66%65%68%77%79%
Barometric pressure1010 hPa1009 hPa1011 hPa1012 hPa1010 hPa1008 hPa1009 hPa1011 hPa
Cloud cover79%11%9%7%7%19%47%37%
Heat index26°C (79°F)26°C (78°F)25°C (77°F)28°C (82°F)25°C (77°F)28°C (83°F)27°C (81°F)27°C (81°F)
Dew point21°C (70°F)20°C (68°F)19°C (66°F)19°C (67°F)16°C (61°F)20°C (68°F)21°C (70°F)21°C (70°F)
Wind
Speed5km/h (3mph)7km/h (4mph)8km/h (5mph)3km/h (2mph)7km/h (4mph)9km/h (6mph)5km/h (3mph)1km/h (1mph)
Gusts8km/h (5mph)11km/h (7mph)14km/h (8mph)4km/h (2mph)15km/h (9mph)13km/h (8mph)8km/h (5mph)2km/h (1mph)
Direction 36°
NE
26°
NNE
42°
NE
81°
E
217°
SW
197°
SSW
218°
SW
59°
ENE
Wind chill24°C (76°F)24°C (74°F)23°C (74°F)26°C (79°F)23°C (74°F)26°C (80°F)25°C (78°F)25°C (77°F)
Waves
Height1.0m (3.3ft)1.0m (3.4ft)1.0m (3.4ft)1.0m (3.4ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.2ft)
Direction 216°
SW
215°
SW
215°
SW
215°
SW
215°
SW
215°
SW
215°
SW
214°
SW
Period5.9 sec.6.0 sec.6.1 sec.6.2 sec.6.2 sec.6.2 sec.6.2 sec.6.3 sec.
Significant height1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)0.9m (3ft)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 Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 05:49 and will set at 17:23 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 6.8mph km/h (with gusts up to 10.6mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (74°F)23°C (74°F)26°C (79°F)23°C (74°F)27°C (80°F)26°C (78°F)25°C (77°F)
Perceived temperature26°C (80°F)25°C (78°F)25°C (77°F)28°C (82°F)25°C (77°F)28°C (83°F)28°C (82°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%77%71%60%62%69%76%79%
Barometric pressure1010 hPa1009 hPa1011 hPa1012 hPa1010 hPa1008 hPa1010 hPa1011 hPa
Cloud cover13%5%6%7%7%26%57%41%
Heat index26°C (80°F)25°C (78°F)25°C (77°F)28°C (82°F)25°C (77°F)28°C (83°F)28°C (82°F)27°C (81°F)
Dew point21°C (69°F)19°C (67°F)18°C (64°F)18°C (64°F)16°C (60°F)20°C (69°F)21°C (70°F)21°C (70°F)
Wind
Speed6km/h (4mph)8km/h (5mph)9km/h (5mph)2km/h (1mph)8km/h (5mph)11km/h (7mph)4km/h (2mph)3km/h (2mph)
Gusts9km/h (6mph)13km/h (8mph)15km/h (9mph)3km/h (2mph)17km/h (10mph)15km/h (10mph)6km/h (4mph)4km/h (2mph)
Direction 22°
NNE
32°
NNE
41°
NE
85°
E
210°
SSW
193°
SSW
180°
S
73°
ENE
Wind chill25°C (76°F)24°C (74°F)23°C (74°F)26°C (79°F)23°C (74°F)27°C (80°F)26°C (78°F)25°C (77°F)
Waves
Height1.0m (3.2ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.1ft)
Direction 214°
SW
215°
SW
215°
SW
215°
SW
215°
SW
215°
SW
214°
SW
213°
SSW
Period6.2 sec.6.1 sec.6.0 sec.6.4 sec.6.3 sec.6.2 sec.6.1 sec.6.1 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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