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 28 January 202674°F to 83°Frecommended
Thursday 29 January 202672°F to 81°Frecommended
Friday 30 January 202674°F to 83°Frecommended
Saturday 31 January 202676°F to 83°Frecommended
Sunday 1 February 202676°F to 85°Frecommended
Monday 2 February 202674°F to 83°Fdiscouraged
Tuesday 3 February 202676°F to 81°Frecommended

Sea Weather: Your daily and hourly sea weather in Jaco

Sea weather on Wednesday 28 January 2026

On Wednesday 28 January 2026, the sun will rise at 06:01 and will set at 17:43 on the beach(es) of Jaco. The outside temperature will be a high of 83°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 16.2mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (75°F)23°C (74°F)27°C (80°F)24°C (76°F)26°C (79°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 (78°F)27°C (81°F)27°C (80°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%74%72%56%53%54%66%68%
Barometric pressure1013 hPa1012 hPa1013 hPa1015 hPa1012 hPa1009 hPa1011 hPa1014 hPa
Cloud cover77%2%0%0%0%5%9%0%
Heat index26°C (79°F)26°C (78°F)25°C (77°F)28°C (82°F)25°C (78°F)27°C (81°F)27°C (80°F)27°C (80°F)
Dew point20°C (68°F)19°C (66°F)18°C (64°F)17°C (63°F)14°C (57°F)16°C (61°F)19°C (65°F)19°C (66°F)
Wind
Speed10km/h (6mph)10km/h (6mph)12km/h (8mph)7km/h (4mph)10km/h (6mph)14km/h (9mph)6km/h (4mph)6km/h (4mph)
Gusts16km/h (10mph)17km/h (11mph)21km/h (13mph)8km/h (5mph)21km/h (13mph)26km/h (16mph)12km/h (7mph)10km/h (6mph)
Direction 14°
NNE

N
17°
NNE

N
238°
WSW
214°
SSW
213°
SSW
37°
NE
Wind chill25°C (76°F)24°C (75°F)23°C (74°F)27°C (80°F)24°C (76°F)26°C (79°F)25°C (78°F)25°C (77°F)
Waves
Height0.5m (1.8ft)0.5m (1.8ft)0.5m (1.8ft)0.6m (1.9ft)0.6m (1.9ft)0.6m (1.9ft)0.6m (1.9ft)0.6m (1.9ft)
Direction 206°
SSW
207°
SSW
204°
SSW
209°
SSW
212°
SSW
212°
SSW
213°
SSW
213°
SSW
Period12.3 sec.12.3 sec.11.9 sec.11.7 sec.11.6 sec.11.5 sec.11.5 sec.11.4 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)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 Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 06:01 and will set at 17:43 on the beach(es) of Jaco. The outside temperature will be a high of 81°F t and a low of 72°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 9.9mph km/h (with gusts up to 20.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)22°C (72°F)23°C (73°F)27°C (80°F)24°C (75°F)26°C (78°F)26°C (78°F)25°C (76°F)
Perceived temperature25°C (77°F)25°C (76°F)25°C (76°F)27°C (81°F)25°C (77°F)27°C (80°F)27°C (81°F)26°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity69%61%55%47%54%60%72%75%
Barometric pressure1013 hPa1011 hPa1012 hPa1013 hPa1011 hPa1008 hPa1010 hPa1013 hPa
Cloud cover0%0%3%3%8%11%20%15%
Heat index25°C (77°F)25°C (76°F)25°C (76°F)27°C (81°F)25°C (77°F)27°C (80°F)27°C (81°F)26°C (80°F)
Dew point17°C (63°F)15°C (58°F)13°C (56°F)15°C (59°F)14°C (57°F)17°C (63°F)20°C (68°F)20°C (68°F)
Wind
Speed11km/h (7mph)9km/h (5mph)9km/h (6mph)3km/h (2mph)16km/h (10mph)13km/h (8mph)8km/h (5mph)8km/h (5mph)
Gusts20km/h (12mph)16km/h (10mph)16km/h (10mph)4km/h (2mph)33km/h (21mph)25km/h (16mph)14km/h (8mph)14km/h (9mph)
Direction 28°
NNE
34°
NE
40°
NE

N
199°
SSW
170°
S
169°
SSE
31°
NNE
Wind chill23°C (74°F)22°C (72°F)23°C (73°F)27°C (80°F)24°C (75°F)26°C (78°F)26°C (78°F)25°C (76°F)
Waves
Height0.6m (1.9ft)0.6m (1.9ft)0.6m (1.9ft)0.6m (1.9ft)0.6m (1.9ft)0.6m (1.9ft)0.6m (2.0ft)0.6m (2.0ft)
Direction 213°
SSW
213°
SSW
212°
SSW
212°
SSW
212°
SSW
212°
SSW
212°
SSW
211°
SSW
Period11.3 sec.11.2 sec.11.0 sec.15.6 sec.10.8 sec.10.9 sec.15.4 sec.15.0 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.4m (1.3ft)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 Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 06:01 and will set at 17:44 on the beach(es) of Jaco. The outside temperature will be a high of 83°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 15.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)23°C (74°F)23°C (73°F)27°C (80°F)24°C (76°F)26°C (78°F)26°C (78°F)25°C (77°F)
Perceived temperature26°C (78°F)25°C (77°F)25°C (77°F)27°C (81°F)25°C (78°F)27°C (80°F)27°C (81°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%69%65%50%50%54%64%68%
Barometric pressure1012 hPa1011 hPa1012 hPa1014 hPa1011 hPa1009 hPa1011 hPa1013 hPa
Cloud cover6%4%2%0%2%6%16%24%
Heat index26°C (78°F)25°C (77°F)25°C (77°F)27°C (81°F)25°C (78°F)27°C (80°F)27°C (81°F)27°C (80°F)
Dew point18°C (65°F)17°C (63°F)16°C (60°F)15°C (60°F)13°C (56°F)16°C (60°F)18°C (65°F)19°C (65°F)
Wind
Speed11km/h (7mph)9km/h (6mph)14km/h (9mph)10km/h (6mph)10km/h (6mph)13km/h (8mph)5km/h (3mph)4km/h (2mph)
Gusts18km/h (11mph)15km/h (9mph)24km/h (15mph)13km/h (8mph)21km/h (13mph)25km/h (15mph)9km/h (6mph)6km/h (4mph)
Direction 15°
NNE
19°
NNE
22°
NNE
358°
N
248°
WSW
204°
SSW
197°
SSW
36°
NE
Wind chill24°C (76°F)23°C (74°F)23°C (73°F)27°C (80°F)24°C (76°F)26°C (78°F)26°C (78°F)25°C (77°F)
Waves
Height0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)
Direction 211°
SSW
208°
SSW
207°
SSW
210°
SSW
209°
SSW
208°
SSW
208°
SSW
208°
SSW
Period15.0 sec.15.1 sec.15.1 sec.14.7 sec.14.5 sec.14.4 sec.14.3 sec.14.1 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)
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 Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 06:01 and will set at 17:44 on the beach(es) of Jaco. The outside temperature will be a high of 83°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 6.8mph km/h (with gusts up to 9.9mph). Wave height will be up to 2ft 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)27°C (80°F)27°C (81°F)28°C (82°F)26°C (79°F)25°C (77°F)
Perceived temperature26°C (79°F)26°C (78°F)26°C (78°F)29°C (83°F)29°C (84°F)30°C (85°F)28°C (82°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%76%75%66%62%62%73%74%
Barometric pressure1013 hPa1012 hPa1013 hPa1014 hPa1012 hPa1010 hPa1012 hPa1014 hPa
Cloud cover22%29%20%19%22%46%77%49%
Heat index26°C (79°F)26°C (78°F)26°C (78°F)29°C (83°F)29°C (84°F)30°C (85°F)28°C (82°F)27°C (80°F)
Dew point19°C (66°F)19°C (67°F)19°C (66°F)20°C (68°F)19°C (67°F)20°C (68°F)21°C (69°F)20°C (68°F)
Wind
Speed5km/h (3mph)10km/h (6mph)8km/h (5mph)9km/h (6mph)11km/h (7mph)7km/h (4mph)6km/h (4mph)5km/h (3mph)
Gusts7km/h (5mph)16km/h (10mph)13km/h (8mph)10km/h (7mph)16km/h (10mph)9km/h (6mph)9km/h (6mph)9km/h (5mph)
Direction 355°
N
10°
N
360°
N
323°
NW
283°
WNW
209°
SSW
173°
S
78°
ENE
Wind chill24°C (76°F)24°C (75°F)24°C (75°F)27°C (80°F)27°C (81°F)28°C (82°F)26°C (79°F)25°C (77°F)
Waves
Height0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)
Direction 208°
SSW
208°
SSW
208°
SSW
209°
SSW
209°
SSW
209°
SSW
209°
SSW
208°
SSW
Period13.8 sec.13.7 sec.13.6 sec.13.5 sec.13.4 sec.13.3 sec.13.1 sec.12.9 sec.
Significant height0.6m (2ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
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 Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 06:01 and will set at 17:44 on the beach(es) of Jaco. The outside temperature will be a high of 85°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 10.6mph km/h (with gusts up to 17.4mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (76°F)25°C (76°F)27°C (81°F)28°C (83°F)28°C (83°F)26°C (79°F)25°C (78°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (79°F)28°C (82°F)29°C (84°F)30°C (85°F)28°C (82°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%68%64%53%52%58%65%66%
Barometric pressure1013 hPa1012 hPa1013 hPa1015 hPa1013 hPa1011 hPa1013 hPa1015 hPa
Cloud cover44%43%31%24%21%35%24%17%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)28°C (82°F)29°C (84°F)30°C (85°F)28°C (82°F)27°C (80°F)
Dew point19°C (67°F)18°C (65°F)17°C (63°F)17°C (62°F)17°C (63°F)19°C (66°F)19°C (66°F)18°C (65°F)
Wind
Speed14km/h (9mph)17km/h (11mph)16km/h (10mph)12km/h (7mph)2km/h (1mph)4km/h (2mph)6km/h (4mph)15km/h (9mph)
Gusts23km/h (14mph)28km/h (17mph)26km/h (16mph)15km/h (9mph)3km/h (2mph)5km/h (3mph)10km/h (6mph)24km/h (15mph)
Direction 10°
N
20°
NNE
31°
NNE
24°
NNE
42°
NE
99°
E
74°
ENE
32°
NNE
Wind chill25°C (76°F)24°C (76°F)25°C (76°F)27°C (81°F)28°C (83°F)28°C (83°F)26°C (79°F)25°C (78°F)
Waves
Height0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.7m (2.2ft)0.7m (2.2ft)0.7m (2.2ft)0.7m (2.2ft)0.7m (2.3ft)
Direction 208°
SSW
208°
SSW
208°
SSW
208°
SSW
208°
SSW
208°
SSW
207°
SSW
206°
SSW
Period12.8 sec.12.7 sec.12.7 sec.12.7 sec.12.7 sec.12.6 sec.12.6 sec.12.6 sec.
Significant height0.9m (3ft)0.9m (3ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
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 Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 06:01 and will set at 17:45 on the beach(es) of Jaco. The outside temperature will be a high of 83°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 13.1mph km/h (with gusts up to 21.1mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (76°F)23°C (74°F)27°C (81°F)28°C (83°F)26°C (79°F)25°C (78°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (78°F)25°C (77°F)28°C (82°F)29°C (84°F)27°C (81°F)27°C (80°F)26°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity65%65%65%51%52%53%61%62%
Barometric pressure1014 hPa1012 hPa1014 hPa1015 hPa1012 hPa1009 hPa1011 hPa1013 hPa
Cloud cover16%10%12%9%16%13%12%8%
Heat index26°C (79°F)26°C (78°F)25°C (77°F)28°C (82°F)29°C (84°F)27°C (81°F)27°C (80°F)26°C (78°F)
Dew point18°C (64°F)17°C (63°F)17°C (62°F)16°C (61°F)17°C (63°F)16°C (61°F)17°C (63°F)17°C (62°F)
Wind
Speed21km/h (13mph)20km/h (13mph)21km/h (13mph)18km/h (11mph)12km/h (7mph)10km/h (6mph)16km/h (10mph)17km/h (11mph)
Gusts34km/h (21mph)31km/h (20mph)32km/h (20mph)23km/h (14mph)17km/h (11mph)19km/h (12mph)29km/h (18mph)28km/h (18mph)
Direction 15°
NNE
30°
NNE
20°
NNE
21°
NNE
17°
NNE
54°
NE
31°
NNE
23°
NNE
Wind chill25°C (76°F)24°C (76°F)23°C (74°F)27°C (81°F)28°C (83°F)26°C (79°F)25°C (78°F)24°C (76°F)
Waves
Height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.2ft)0.7m (2.4ft)0.8m (2.5ft)0.7m (2.3ft)0.7m (2.2ft)
Direction 206°
SSW
205°
SSW
203°
SSW
203°
SSW
203°
SSW
204°
SSW
203°
SSW
203°
SSW
Period12.6 sec.12.3 sec.12.1 sec.12.0 sec.11.7 sec.11.7 sec.12.0 sec.12.3 sec.
Significant height0.8m (2.6ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)0.5m (1.6ft)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 Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 06:00 and will set at 17:45 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 10.6mph km/h (with gusts up to 19.3mph). Wave height will be up to 2.3ft 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 (81°F)25°C (77°F)27°C (80°F)25°C (78°F)25°C (76°F)
Perceived temperature26°C (78°F)25°C (78°F)25°C (77°F)28°C (82°F)26°C (79°F)28°C (82°F)27°C (80°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%65%65%52%52%55%65%67%
Barometric pressure1012 hPa1011 hPa1012 hPa1013 hPa1010 hPa1007 hPa1009 hPa1011 hPa
Cloud cover6%6%6%7%7%10%6%5%
Heat index26°C (78°F)25°C (78°F)25°C (77°F)28°C (82°F)26°C (79°F)28°C (82°F)27°C (80°F)26°C (79°F)
Dew point17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)15°C (58°F)17°C (62°F)18°C (65°F)18°C (64°F)
Wind
Speed17km/h (11mph)17km/h (11mph)14km/h (9mph)13km/h (8mph)10km/h (6mph)10km/h (6mph)17km/h (11mph)17km/h (11mph)
Gusts28km/h (17mph)28km/h (17mph)24km/h (15mph)16km/h (10mph)22km/h (14mph)18km/h (11mph)31km/h (20mph)28km/h (17mph)
Direction 29°
NNE
22°
NNE
24°
NNE
15°
NNE
347°
NNW
13°
NNE
32°
NNE
25°
NNE
Wind chill24°C (76°F)24°C (75°F)24°C (74°F)27°C (81°F)25°C (77°F)27°C (80°F)25°C (78°F)25°C (76°F)
Waves
Height0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.0ft)0.6m (1.9ft)0.7m (2.4ft)0.7m (2.4ft)0.6m (2.0ft)
Direction 203°
SSW
203°
SSW
203°
SSW
202°
SSW
203°
SSW
203°
SSW
204°
SSW
204°
SSW
Period13.3 sec.13.2 sec.12.7 sec.12.6 sec.12.5 sec.12.4 sec.12.3 sec.12.1 sec.
Significant height0.6m (2ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)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 chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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