Sea weather in Playa Arenillas in Costa Rica All the beach weather in Playa Arenillas

All the essential weather information for enjoying the beach in Playa Arenillas 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 Playa Arenillas over the next 7 days?

Discover the best moment to go to the beach in Playa Arenillas in Costa Rica this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Playa Arenillas. 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 202681°F to 86°Frecommended
Thursday 4 June 202679°F to 86°Fdiscouraged
Friday 5 June 202679°F to 83°Frecommended
Saturday 6 June 202677°F to 83°Fdiscouraged
Sunday 7 June 202676°F to 79°Fnot recommended
Monday 8 June 202677°F to 77°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Playa Arenillas

Sea weather on Wednesday 3 June 2026

On Wednesday 3 June 2026, the sun will rise at 05:20 and will set at 18:02 on the beach(es) of Playa Arenillas. The outside temperature will be a high of 86°F t and a low of 81°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 14.9mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (83°F)27°C (81°F)27°C (81°F)29°C (85°F)29°C (85°F)30°C (86°F)29°C (85°F)29°C (83°F)
Perceived temperature32°C (90°F)31°C (87°F)30°C (87°F)33°C (92°F)34°C (93°F)35°C (95°F)34°C (94°F)33°C (91°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%78%77%69%72%71%74%75%
Barometric pressure1010 hPa1009 hPa1010 hPa1011 hPa1009 hPa1007 hPa1008 hPa1010 hPa
Cloud cover14%15%39%20%84%54%27%17%
Heat index32°C (90°F)31°C (87°F)30°C (87°F)33°C (92°F)34°C (93°F)35°C (95°F)34°C (94°F)33°C (91°F)
Dew point24°C (75°F)23°C (74°F)23°C (73°F)23°C (74°F)24°C (75°F)24°C (75°F)24°C (76°F)24°C (75°F)
Wind
Speed9km/h (6mph)9km/h (6mph)6km/h (4mph)5km/h (3mph)15km/h (10mph)15km/h (9mph)8km/h (5mph)8km/h (5mph)
Gusts14km/h (9mph)14km/h (8mph)9km/h (6mph)6km/h (4mph)24km/h (15mph)23km/h (14mph)14km/h (9mph)13km/h (8mph)
Direction 123°
ESE
88°
E
86°
E
339°
NNW
248°
WSW
216°
SW
207°
SSW
143°
SE
Wind chill28°C (83°F)27°C (81°F)27°C (81°F)29°C (85°F)29°C (85°F)30°C (86°F)29°C (85°F)29°C (83°F)
Waves
Height1.2m (4.1ft)1.2m (4.0ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (4.0ft)1.2m (4.1ft)1.2m (4.1ft)1.2m (4.0ft)
Direction 243°
WSW
244°
WSW
244°
WSW
241°
WSW
242°
WSW
243°
WSW
244°
WSW
244°
WSW
Period15.3 sec.15.3 sec.15.1 sec.14.7 sec.14.5 sec.14.5 sec.14.5 sec.14.4 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)1.1m (3.6ft)
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 4 June 2026

On Thursday 4 June 2026, the sun will rise at 05:20 and will set at 18:03 on the beach(es) of Playa Arenillas. The outside temperature will be a high of 86°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 13.1mph km/h (with gusts up to 19.3mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)27°C (81°F)27°C (80°F)29°C (85°F)29°C (84°F)28°C (83°F)27°C (81°F)26°C (79°F)
Perceived temperature31°C (88°F)30°C (85°F)30°C (85°F)33°C (91°F)32°C (90°F)32°C (90°F)31°C (88°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0.1in0.1in
Humidity74%75%76%65%69%76%81%87%
Barometric pressure1010 hPa1009 hPa1010 hPa1011 hPa1010 hPa1008 hPa1010 hPa1012 hPa
Cloud cover16%19%42%27%39%52%67%41%
Heat index31°C (88°F)30°C (85°F)30°C (85°F)33°C (91°F)32°C (90°F)32°C (90°F)31°C (88°F)30°C (85°F)
Dew point23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)23°C (74°F)24°C (75°F)24°C (75°F)
Wind
Speed14km/h (9mph)13km/h (8mph)12km/h (7mph)6km/h (4mph)19km/h (12mph)21km/h (13mph)17km/h (11mph)15km/h (9mph)
Gusts22km/h (14mph)20km/h (12mph)16km/h (10mph)8km/h (5mph)30km/h (19mph)31km/h (19mph)25km/h (16mph)26km/h (16mph)
Direction 91°
E
89°
E
98°
E
71°
ENE
265°
W
233°
SW
188°
S
175°
S
Wind chill28°C (82°F)27°C (81°F)27°C (80°F)29°C (85°F)29°C (84°F)28°C (83°F)27°C (81°F)26°C (79°F)
Waves
Height1.2m (4.1ft)1.3m (4.1ft)1.3m (4.2ft)1.3m (4.3ft)1.3m (4.4ft)1.4m (4.6ft)1.4m (4.7ft)1.4m (4.7ft)
Direction 241°
WSW
241°
WSW
241°
WSW
241°
WSW
240°
WSW
240°
WSW
240°
WSW
240°
WSW
Period14.2 sec.14.2 sec.14.6 sec.17.4 sec.16.7 sec.16.6 sec.13.7 sec.16.7 sec.
Significant height1.0m (3.3ft)0.2m (0.7ft)1.1m (3.6ft)1.0m (3.3ft)0.4m (1.3ft)0.4m (1.3ft)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 05:20 and will set at 18:03 on the beach(es) of Playa Arenillas. The outside temperature will be a high of 83°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 9.3mph km/h (with gusts up to 16.2mph). Wave height will be up to 5.2ft 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)27°C (80°F)27°C (81°F)27°C (80°F)27°C (80°F)
Perceived temperature30°C (86°F)29°C (85°F)29°C (85°F)31°C (87°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity81%80%80%77%78%76%80%80%
Barometric pressure1012 hPa1010 hPa1011 hPa1012 hPa1011 hPa1009 hPa1010 hPa1011 hPa
Cloud cover46%56%54%42%34%35%33%49%
Heat index30°C (86°F)29°C (85°F)29°C (85°F)31°C (87°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)
Wind
Speed5km/h (3mph)5km/h (3mph)5km/h (3mph)9km/h (6mph)15km/h (9mph)8km/h (5mph)11km/h (7mph)15km/h (10mph)
Gusts11km/h (7mph)8km/h (5mph)10km/h (6mph)14km/h (9mph)26km/h (16mph)12km/h (7mph)16km/h (10mph)23km/h (14mph)
Direction 164°
SSE
184°
S
166°
SSE
203°
SSW
243°
WSW
256°
WSW
210°
SSW
189°
S
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (80°F)27°C (81°F)27°C (80°F)27°C (80°F)
Waves
Height1.4m (4.7ft)1.4m (4.8ft)1.5m (4.8ft)1.5m (4.8ft)1.5m (4.9ft)1.5m (5.0ft)1.6m (5.1ft)1.6m (5.2ft)
Direction 240°
WSW
239°
WSW
242°
WSW
242°
WSW
242°
WSW
242°
WSW
242°
WSW
241°
WSW
Period13.8 sec.15.6 sec.15.8 sec.17.5 sec.17.3 sec.17.0 sec.16.9 sec.16.7 sec.
Significant height1.3m (4.3ft)0.7m (2.3ft)0.7m (2.3ft)0.1m (0.3ft)0.7m (2.3ft)0.4m (1.3ft)0.6m (2ft)0.5m (1.6ft)
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 Saturday 6 June 2026

On Saturday 6 June 2026, the sun will rise at 05:20 and will set at 18:03 on the beach(es) of Playa Arenillas. 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 15.5mph km/h (with gusts up to 19.9mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (78°F)25°C (77°F)27°C (80°F)28°C (82°F)28°C (83°F)27°C (80°F)26°C (79°F)
Perceived temperature30°C (85°F)28°C (83°F)28°C (82°F)30°C (86°F)31°C (88°F)32°C (89°F)30°C (86°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0.1in0in
Humidity81%88%88%79%73%73%83%83%
Barometric pressure1010 hPa1009 hPa1010 hPa1011 hPa1010 hPa1008 hPa1010 hPa1011 hPa
Cloud cover50%51%42%53%61%61%100%100%
Heat index30°C (85°F)28°C (83°F)28°C (82°F)30°C (86°F)31°C (88°F)32°C (89°F)30°C (86°F)29°C (84°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)23°C (74°F)23°C (74°F)
Wind
Speed12km/h (8mph)17km/h (10mph)15km/h (10mph)11km/h (7mph)18km/h (11mph)23km/h (14mph)25km/h (15mph)18km/h (11mph)
Gusts18km/h (11mph)24km/h (15mph)24km/h (15mph)16km/h (10mph)31km/h (19mph)32km/h (20mph)28km/h (18mph)29km/h (18mph)
Direction 139°
SE
89°
E
110°
ESE
145°
SE
191°
S
196°
SSW
190°
S
166°
SSE
Wind chill27°C (80°F)26°C (78°F)25°C (77°F)27°C (80°F)28°C (82°F)28°C (83°F)27°C (80°F)26°C (79°F)
Waves
Height1.5m (5.1ft)1.5m (5.0ft)1.5m (5.0ft)1.5m (5.0ft)1.5m (5.0ft)1.5m (4.9ft)1.5m (5.0ft)1.6m (5.2ft)
Direction 241°
WSW
240°
WSW
241°
WSW
241°
WSW
241°
WSW
240°
WSW
239°
WSW
239°
WSW
Period16.2 sec.16.0 sec.16.1 sec.16.2 sec.16.2 sec.15.6 sec.15.4 sec.15.4 sec.
Significant height0.3m (1ft)0.3m (1ft)0.6m (2ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)
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 Sunday 7 June 2026

On Sunday 7 June 2026, the sun will rise at 05:20 and will set at 18:03 on the beach(es) of Playa Arenillas. The outside temperature will be a high of 79°F t and a low of 76°F. A total of 1in of precipitation could spoil your day at the beach. The sea will be generally calm, with a wind speed of up to 17.4mph km/h (with gusts up to 24.2mph). Wave height will be up to 7.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)24°C (76°F)24°C (76°F)25°C (77°F)26°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (80°F)27°C (81°F)28°C (83°F)28°C (82°F)28°C (82°F)27°C (81°F)
Precipitation0.3in0.6in0in0in0in0in0in0in
Humidity90%95%90%87%79%84%86%89%
Barometric pressure1011 hPa1009 hPa1011 hPa1011 hPa1010 hPa1009 hPa1010 hPa1011 hPa
Cloud cover100%100%70%46%47%65%46%100%
Heat index28°C (82°F)27°C (81°F)27°C (80°F)27°C (81°F)28°C (83°F)28°C (82°F)28°C (82°F)27°C (81°F)
Dew point23°C (74°F)23°C (74°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
Speed13km/h (8mph)18km/h (11mph)22km/h (14mph)28km/h (18mph)25km/h (16mph)23km/h (14mph)21km/h (13mph)22km/h (14mph)
Gusts23km/h (14mph)29km/h (18mph)39km/h (24mph)37km/h (23mph)36km/h (23mph)31km/h (20mph)29km/h (18mph)31km/h (19mph)
Direction 157°
SSE
195°
SSW
124°
ESE
125°
SE
143°
SE
131°
SE
137°
SE
151°
SSE
Wind chill25°C (77°F)24°C (76°F)24°C (76°F)25°C (77°F)26°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)
Waves
Height1.8m (5.9ft)1.9m (6.2ft)1.9m (6.2ft)2.0m (6.7ft)2.1m (7.1ft)2.2m (7.1ft)2.1m (7.0ft)2.1m (7.0ft)
Direction 239°
WSW
239°
WSW
237°
WSW
238°
WSW
238°
WSW
233°
SW
234°
SW
234°
SW
Period9.3 sec.9.1 sec.9.0 sec.10.5 sec.10.0 sec.9.7 sec.9.4 sec.9.1 sec.
Significant height0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)
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 Monday 8 June 2026

On Monday 8 June 2026, the sun will rise at 05:20 and will set at 18:04 on the beach(es) of Playa Arenillas. The outside temperature will be a high of 77°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 13.7mph km/h (with gusts up to 23mph). Wave height will be up to 9.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (76°F)25°C (76°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (81°F)27°C (80°F)27°C (81°F)
Precipitation0in0in0.2in0in0in0in0in0in
Humidity88%89%92%89%90%88%88%89%
Barometric pressure1011 hPa1010 hPa1011 hPa1013 hPa1012 hPa1011 hPa1011 hPa1013 hPa
Cloud cover94%100%100%89%89%75%76%49%
Heat index28°C (82°F)27°C (81°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (81°F)27°C (80°F)27°C (81°F)
Dew point23°C (73°F)23°C (73°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)
Wind
Speed22km/h (14mph)19km/h (12mph)22km/h (13mph)21km/h (13mph)21km/h (13mph)18km/h (11mph)19km/h (12mph)16km/h (10mph)
Gusts35km/h (22mph)32km/h (20mph)27km/h (17mph)37km/h (23mph)23km/h (14mph)25km/h (16mph)29km/h (18mph)22km/h (14mph)
Direction 134°
SE
142°
SE
149°
SSE
147°
SSE
129°
SE
154°
SSE
145°
SE
127°
SE
Wind chill25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (76°F)25°C (76°F)
Waves
Height2.2m (7.1ft)2.2m (7.3ft)2.2m (7.3ft)2.3m (7.5ft)2.5m (8.4ft)2.8m (9.2ft)2.8m (9.1ft)2.7m (9.0ft)
Direction 236°
SW
237°
WSW
237°
WSW
238°
WSW
238°
WSW
244°
WSW
238°
WSW
238°
WSW
Period9.2 sec.9.2 sec.9.2 sec.9.2 sec.9.6 sec.10.3 sec.10.2 sec.10.3 sec.
Significant height0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.5m (1.6ft)0.8m (2.6ft)1.4m (4.6ft)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

Change units