Sea weather in Kalutara in Sri Lanka All the beach weather in Kalutara

All the essential weather information for enjoying the beach in Kalutara in Sri Lanka, 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 Kalutara over the next 7 days?

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

Date Outside temp. Our opinion
Friday 5 December 202576°F to 83°Frecommended
Saturday 6 December 202576°F to 81°Frecommended
Sunday 7 December 202576°F to 81°Frecommended
Monday 8 December 202576°F to 81°Fdiscouraged
Tuesday 9 December 202576°F to 81°Fdiscouraged
Wednesday 10 December 202577°F to 81°Fdiscouraged
Thursday 11 December 202577°F to 81°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Kalutara

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 06:08 and will set at 17:54 on the beach(es) of Kalutara. The outside temperature will be a high of 83°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 11.8mph km/h (with gusts up to 16.8mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (80°F)26°C (79°F)27°C (81°F)24°C (75°F)27°C (81°F)27°C (80°F)27°C (80°F)
Perceived temperature29°C (85°F)29°C (85°F)29°C (84°F)30°C (86°F)26°C (78°F)30°C (87°F)30°C (85°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%80%80%75%74%76%81%81%
Barometric pressure1011 hPa1010 hPa1012 hPa1013 hPa1011 hPa1009 hPa1011 hPa1012 hPa
Cloud cover23%18%88%35%71%76%58%73%
Heat index29°C (85°F)29°C (85°F)29°C (84°F)30°C (86°F)26°C (78°F)30°C (87°F)30°C (85°F)30°C (85°F)
Dew point22°C (72°F)23°C (73°F)22°C (72°F)22°C (72°F)19°C (66°F)23°C (73°F)23°C (73°F)23°C (73°F)
Wind
Speed3km/h (2mph)12km/h (7mph)11km/h (7mph)7km/h (4mph)8km/h (5mph)19km/h (12mph)14km/h (9mph)10km/h (6mph)
Gusts4km/h (3mph)17km/h (10mph)16km/h (10mph)9km/h (6mph)16km/h (10mph)27km/h (17mph)22km/h (14mph)15km/h (10mph)
Direction 104°
ESE
148°
SSE
141°
SE
145°
SE
273°
W
273°
W
310°
NW
321°
NW
Wind chill27°C (80°F)26°C (80°F)26°C (79°F)27°C (81°F)24°C (75°F)27°C (81°F)27°C (80°F)27°C (80°F)
Waves
Height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.0ft)
Direction 224°
SW
224°
SW
224°
SW
224°
SW
224°
SW
224°
SW
222°
SW
221°
SW
Period5.4 sec.5.3 sec.5.2 sec.12.0 sec.12.0 sec.12.3 sec.12.9 sec.12.8 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 06:09 and will set at 17:55 on the beach(es) of Kalutara. The outside temperature will be a high of 81°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 7.5mph km/h (with gusts up to 10.6mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)25°C (78°F)25°C (78°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)25°C (78°F)
Perceived temperature29°C (84°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (83°F)29°C (85°F)30°C (85°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity84%85%84%80%77%74%76%85%
Barometric pressure1011 hPa1010 hPa1012 hPa1014 hPa1011 hPa1009 hPa1011 hPa1013 hPa
Cloud cover71%75%79%89%83%74%92%69%
Heat index29°C (84°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (83°F)29°C (85°F)30°C (85°F)28°C (82°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (71°F)22°C (71°F)22°C (72°F)23°C (73°F)
Wind
Speed2km/h (1mph)5km/h (3mph)10km/h (6mph)7km/h (4mph)8km/h (5mph)9km/h (6mph)6km/h (4mph)12km/h (7mph)
Gusts3km/h (2mph)8km/h (5mph)15km/h (9mph)9km/h (6mph)11km/h (7mph)14km/h (8mph)10km/h (6mph)17km/h (11mph)
Direction 321°
NW
92°
E
53°
NE
47°
NE
294°
WNW
266°
W
316°
NW
102°
ESE
Wind chill26°C (79°F)25°C (78°F)25°C (78°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)25°C (78°F)
Waves
Height0.6m (2.1ft)0.7m (2.2ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.6m (2.1ft)0.7m (2.2ft)0.8m (2.6ft)
Direction 221°
SW
221°
SW
220°
SW
220°
SW
222°
SW
222°
SW
222°
SW
221°
SW
Period12.6 sec.12.5 sec.12.4 sec.12.3 sec.12.0 sec.11.9 sec.11.8 sec.4.9 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 06:09 and will set at 17:55 on the beach(es) of Kalutara. 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 11.2mph km/h (with gusts up to 16.8mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)25°C (76°F)25°C (77°F)26°C (79°F)26°C (78°F)27°C (80°F)26°C (79°F)27°C (80°F)
Perceived temperature26°C (79°F)27°C (80°F)27°C (81°F)28°C (83°F)28°C (82°F)29°C (84°F)29°C (84°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0.1in0in
Humidity91%85%84%80%77%76%82%76%
Barometric pressure1012 hPa1011 hPa1012 hPa1014 hPa1012 hPa1009 hPa1011 hPa1013 hPa
Cloud cover74%74%63%24%80%85%70%65%
Heat index26°C (79°F)27°C (80°F)27°C (81°F)28°C (83°F)28°C (82°F)29°C (84°F)29°C (84°F)29°C (85°F)
Dew point22°C (72°F)22°C (72°F)22°C (71°F)22°C (72°F)22°C (71°F)22°C (72°F)23°C (73°F)22°C (72°F)
Wind
Speed4km/h (2mph)2km/h (1mph)5km/h (3mph)6km/h (4mph)10km/h (6mph)18km/h (11mph)11km/h (7mph)3km/h (2mph)
Gusts6km/h (4mph)3km/h (2mph)8km/h (5mph)8km/h (5mph)15km/h (10mph)27km/h (17mph)18km/h (11mph)5km/h (3mph)
Direction 242°
WSW
340°
NNW
59°
ENE
28°
NNE
315°
NW
295°
WNW
324°
NW
330°
NNW
Wind chill24°C (75°F)25°C (76°F)25°C (77°F)26°C (79°F)26°C (78°F)27°C (80°F)26°C (79°F)27°C (80°F)
Waves
Height0.8m (2.7ft)0.8m (2.5ft)0.7m (2.4ft)0.7m (2.3ft)0.7m (2.2ft)0.7m (2.2ft)0.7m (2.3ft)0.8m (2.6ft)
Direction 221°
SW
220°
SW
222°
SW
221°
SW
221°
SW
220°
SW
220°
SW
220°
SW
Period11.5 sec.5.3 sec.8.9 sec.11.0 sec.16.6 sec.16.2 sec.16.3 sec.4.9 sec.
Significant height0.7m (2.3ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 06:10 and will set at 17:55 on the beach(es) of Kalutara. 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 14.9mph km/h (with gusts up to 20.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)27°C (80°F)26°C (79°F)25°C (77°F)
Perceived temperature29°C (84°F)29°C (84°F)28°C (83°F)29°C (85°F)29°C (83°F)30°C (86°F)29°C (85°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%80%81%79%79%77%82%90%
Barometric pressure1012 hPa1010 hPa1011 hPa1013 hPa1011 hPa1009 hPa1011 hPa1013 hPa
Cloud cover83%70%35%37%71%78%52%82%
Heat index29°C (84°F)29°C (84°F)28°C (83°F)29°C (85°F)29°C (83°F)30°C (86°F)29°C (85°F)28°C (82°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 (74°F)
Wind
Speed5km/h (3mph)10km/h (6mph)8km/h (5mph)5km/h (3mph)12km/h (8mph)18km/h (11mph)17km/h (10mph)24km/h (15mph)
Gusts7km/h (5mph)15km/h (9mph)11km/h (7mph)6km/h (4mph)19km/h (12mph)25km/h (16mph)25km/h (15mph)33km/h (21mph)
Direction 143°
SE
152°
SSE
120°
ESE
36°
NE
301°
WNW
297°
WNW
338°
NNW
24°
NNE
Wind chill27°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)27°C (80°F)26°C (79°F)25°C (77°F)
Waves
Height0.8m (2.6ft)0.8m (2.6ft)0.7m (2.5ft)0.7m (2.4ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.2ft)
Direction 221°
SW
220°
SW
220°
SW
221°
SW
222°
SW
222°
SW
222°
SW
222°
SW
Period5.2 sec.15.3 sec.15.3 sec.15.2 sec.14.6 sec.14.4 sec.14.4 sec.14.3 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.6m (2ft)
Sea water temperature
Water temperature28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 06:10 and will set at 17:56 on the beach(es) of Kalutara. The outside temperature will be a high of 81°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 17.4mph km/h (with gusts up to 23mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (74°F)24°C (76°F)25°C (78°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)
Perceived temperature27°C (81°F)26°C (78°F)27°C (80°F)28°C (82°F)29°C (85°F)30°C (85°F)30°C (85°F)29°C (84°F)
Precipitation0in0in0in0in0in0.1in0in0in
Humidity91%91%88%83%74%81%83%84%
Barometric pressure1012 hPa1010 hPa1011 hPa1013 hPa1010 hPa1008 hPa1010 hPa1012 hPa
Cloud cover58%59%80%19%22%82%43%39%
Heat index27°C (81°F)26°C (78°F)27°C (80°F)28°C (82°F)29°C (85°F)30°C (85°F)30°C (85°F)29°C (84°F)
Dew point23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (71°F)23°C (73°F)23°C (74°F)23°C (74°F)
Wind
Speed22km/h (14mph)14km/h (9mph)16km/h (10mph)17km/h (10mph)18km/h (11mph)24km/h (15mph)28km/h (18mph)28km/h (17mph)
Gusts30km/h (18mph)19km/h (12mph)22km/h (14mph)22km/h (13mph)27km/h (17mph)37km/h (23mph)31km/h (19mph)32km/h (20mph)
Direction 38°
NE
51°
NE
14°
NNE
23°
NNE
347°
NNW
336°
NNW
235°
SW
10°
N
Wind chill25°C (76°F)24°C (74°F)24°C (76°F)25°C (78°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)
Waves
Height0.7m (2.4ft)0.7m (2.4ft)1.4m (4.7ft)1.4m (4.6ft)1.3m (4.4ft)1.4m (4.6ft)1.6m (5.2ft)1.7m (5.6ft)
Direction 223°
SW
223°
SW
215°
SW
215°
SW
215°
SW
216°
SW
216°
SW
216°
SW
Period14.1 sec.13.7 sec.13.8 sec.13.6 sec.13.5 sec.13.5 sec.13.4 sec.13.4 sec.
Significant height0.7m (2.3ft)0.6m (2ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.6m (5.2ft)1.6m (5.2ft)
Sea water temperature
Water temperature28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 06:11 and will set at 17:56 on the beach(es) of Kalutara. The outside temperature will be a high of 81°F t and a low of 77°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 22.4mph km/h (with gusts up to 31.7mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (77°F)26°C (79°F)27°C (80°F)26°C (79°F)25°C (77°F)25°C (77°F)
Perceived temperature28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)30°C (86°F)29°C (84°F)28°C (82°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%88%88%82%78%83%86%87%
Barometric pressure1011 hPa1010 hPa1010 hPa1011 hPa1010 hPa1008 hPa1009 hPa1011 hPa
Cloud cover32%33%37%44%49%54%60%73%
Heat index28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)30°C (86°F)29°C (84°F)28°C (82°F)28°C (82°F)
Dew point23°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)23°C (73°F)
Wind
Speed28km/h (18mph)30km/h (19mph)30km/h (18mph)28km/h (17mph)30km/h (19mph)36km/h (22mph)34km/h (21mph)32km/h (20mph)
Gusts40km/h (25mph)40km/h (25mph)40km/h (25mph)37km/h (23mph)44km/h (28mph)51km/h (32mph)47km/h (29mph)44km/h (27mph)
Direction 15°
NNE
16°
NNE
20°
NNE
134°
SE
356°
N
240°
WSW
15°
NNE
21°
NNE
Wind chill25°C (78°F)25°C (77°F)25°C (77°F)26°C (79°F)27°C (80°F)26°C (79°F)25°C (77°F)25°C (77°F)
Waves
Height1.6m (5.2ft)1.4m (4.6ft)1.3m (4.3ft)1.4m (4.6ft)1.4m (4.6ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)
Direction 216°
SW
216°
SW
216°
SW
216°
SW
215°
SW
214°
SSW
214°
SSW
215°
SW
Period13.4 sec.13.3 sec.13.3 sec.13.4 sec.13.7 sec.14.0 sec.14.0 sec.11.2 sec.
Significant height1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)1.2m (3.9ft)1.3m (4.3ft)1.6m (5.2ft)1.5m (4.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)

Sea weather on Thursday 11 December 2025

On Thursday 11 December 2025, the sun will rise at 06:11 and will set at 17:57 on the beach(es) of Kalutara. The outside temperature will be a high of 81°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 18.6mph km/h (with gusts up to 25.5mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)25°C (77°F)25°C (77°F)25°C (78°F)26°C (80°F)26°C (79°F)26°C (79°F)25°C (78°F)
Perceived temperature27°C (81°F)27°C (81°F)27°C (81°F)28°C (82°F)29°C (84°F)29°C (84°F)29°C (84°F)28°C (83°F)
Precipitation0in0in0in0in0in0.1in0.1in0.1in
Humidity88%87%88%83%78%82%85%89%
Barometric pressure1010 hPa1009 hPa1010 hPa1011 hPa1009 hPa1008 hPa1009 hPa1010 hPa
Cloud cover59%63%67%52%67%28%40%61%
Heat index27°C (81°F)27°C (81°F)27°C (81°F)28°C (82°F)29°C (84°F)29°C (84°F)29°C (84°F)28°C (83°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (74°F)23°C (74°F)
Wind
Speed30km/h (19mph)25km/h (15mph)22km/h (14mph)18km/h (11mph)17km/h (11mph)25km/h (16mph)26km/h (16mph)25km/h (16mph)
Gusts41km/h (25mph)34km/h (21mph)30km/h (18mph)24km/h (15mph)25km/h (16mph)34km/h (21mph)30km/h (18mph)32km/h (20mph)
Direction 20°
NNE
17°
NNE
28°
NNE
24°
NNE
117°
ESE
345°
NNW
243°
WSW
19°
NNE
Wind chill25°C (76°F)25°C (77°F)25°C (77°F)25°C (78°F)26°C (80°F)26°C (79°F)26°C (79°F)25°C (78°F)
Waves
Height1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)1.3m (4.3ft)1.5m (4.9ft)1.5m (4.9ft)
Direction 214°
SW
214°
SSW
213°
SSW
213°
SSW
214°
SSW
214°
SW
214°
SSW
212°
SSW
Period6.1 sec.6.1 sec.8.4 sec.13.1 sec.13.0 sec.12.9 sec.12.7 sec.12.4 sec.
Significant height0.9m (3ft)1.1m (3.6ft)1.1m (3.6ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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