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

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

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

Date Outside temp. Our opinion
Saturday 18 July 202681°F to 83°Fdiscouraged
Sunday 19 July 202681°F to 83°Fdiscouraged
Monday 20 July 202681°F to 83°Fdiscouraged
Tuesday 21 July 202679°F to 83°Frecommended
Wednesday 22 July 202681°F to 83°Frecommended
Thursday 23 July 202681°F to 83°Frecommended
Friday 24 July 202681°F to 83°Frecommended

Sea Weather: Your daily and hourly sea weather in Colombo

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 06:03 and will set at 18:31 on the beach(es) of Colombo. The outside temperature will be a high of 83°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 16.2mph km/h (with gusts up to 23mph). Wave height will be up to 4.9ft 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)28°C (82°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)
Perceived temperature30°C (87°F)30°C (86°F)30°C (86°F)31°C (88°F)30°C (86°F)30°C (87°F)30°C (87°F)30°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%82%82%79%76%75%79%82%
Barometric pressure1012 hPa1011 hPa1012 hPa1013 hPa1012 hPa1009 hPa1010 hPa1012 hPa
Cloud cover59%40%52%45%33%50%37%22%
Heat index30°C (87°F)30°C (86°F)30°C (86°F)31°C (88°F)30°C (86°F)30°C (87°F)30°C (87°F)30°C (87°F)
Dew point24°C (75°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)24°C (74°F)
Wind
Speed24km/h (15mph)26km/h (16mph)23km/h (15mph)23km/h (15mph)22km/h (14mph)22km/h (13mph)17km/h (11mph)18km/h (11mph)
Gusts35km/h (22mph)37km/h (23mph)34km/h (21mph)32km/h (20mph)33km/h (20mph)30km/h (19mph)25km/h (15mph)27km/h (17mph)
Direction 241°
WSW
248°
WSW
253°
WSW
258°
WSW
263°
W
258°
WSW
238°
WSW
229°
SW
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)28°C (82°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)
Waves
Height1.3m (4.4ft)1.4m (4.7ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.8ft)1.4m (4.7ft)1.4m (4.6ft)1.4m (4.5ft)
Direction 222°
SW
223°
SW
247°
WSW
250°
WSW
254°
WSW
222°
SW
222°
SW
221°
SW
Period12.6 sec.13.6 sec.13.9 sec.13.8 sec.14.1 sec.13.5 sec.9.6 sec.9.6 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)
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 Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 06:03 and will set at 18:31 on the beach(es) of Colombo. The outside temperature will be a high of 83°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 14.9mph km/h (with gusts up to 22.4mph). 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)28°C (82°F)27°C (81°F)28°C (82°F)27°C (80°F)27°C (80°F)
Perceived temperature30°C (86°F)30°C (86°F)30°C (86°F)31°C (89°F)30°C (86°F)31°C (88°F)30°C (87°F)30°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%81%81%78%77%77%83%84%
Barometric pressure1011 hPa1010 hPa1011 hPa1012 hPa1011 hPa1010 hPa1011 hPa1013 hPa
Cloud cover15%25%21%35%36%43%42%39%
Heat index30°C (86°F)30°C (86°F)30°C (86°F)31°C (89°F)30°C (86°F)31°C (88°F)30°C (87°F)30°C (87°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)24°C (74°F)23°C (73°F)23°C (74°F)24°C (75°F)24°C (75°F)
Wind
Speed22km/h (14mph)23km/h (14mph)23km/h (14mph)23km/h (14mph)24km/h (15mph)23km/h (14mph)20km/h (12mph)18km/h (11mph)
Gusts33km/h (20mph)34km/h (21mph)34km/h (21mph)30km/h (19mph)36km/h (23mph)33km/h (20mph)30km/h (19mph)27km/h (17mph)
Direction 233°
SW
241°
WSW
243°
WSW
247°
WSW
247°
WSW
248°
WSW
240°
WSW
233°
SW
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)28°C (82°F)27°C (81°F)28°C (82°F)27°C (80°F)27°C (80°F)
Waves
Height1.4m (4.8ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.1ft)1.5m (5.1ft)1.5m (5.0ft)1.5m (4.9ft)
Direction 221°
SW
282°
WNW
261°
W
261°
W
221°
SW
234°
SW
233°
SW
223°
SW
Period13.4 sec.13.3 sec.13.0 sec.12.9 sec.12.9 sec.12.8 sec.11.8 sec.10.1 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)
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 Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 06:03 and will set at 18:31 on the beach(es) of Colombo. The outside temperature will be a high of 83°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 13.7mph km/h (with gusts up to 20.5mph). 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)28°C (82°F)27°C (80°F)27°C (81°F)27°C (80°F)27°C (80°F)
Perceived temperature30°C (86°F)30°C (85°F)30°C (86°F)31°C (88°F)30°C (85°F)30°C (87°F)30°C (86°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%81%81%78%76%77%81%83%
Barometric pressure1012 hPa1011 hPa1012 hPa1013 hPa1012 hPa1010 hPa1011 hPa1013 hPa
Cloud cover47%51%35%26%21%55%52%59%
Heat index30°C (86°F)30°C (85°F)30°C (86°F)31°C (88°F)30°C (85°F)30°C (87°F)30°C (86°F)30°C (86°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)22°C (72°F)23°C (73°F)23°C (74°F)24°C (74°F)
Wind
Speed21km/h (13mph)20km/h (13mph)18km/h (11mph)19km/h (12mph)22km/h (13mph)22km/h (14mph)18km/h (11mph)18km/h (11mph)
Gusts30km/h (19mph)30km/h (18mph)26km/h (16mph)26km/h (16mph)33km/h (21mph)31km/h (19mph)27km/h (17mph)27km/h (17mph)
Direction 238°
WSW
244°
WSW
239°
WSW
237°
WSW
243°
WSW
248°
WSW
249°
WSW
240°
WSW
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)28°C (82°F)27°C (80°F)27°C (81°F)27°C (80°F)27°C (80°F)
Waves
Height1.5m (5.0ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.5m (5.1ft)1.5m (5.1ft)1.6m (5.2ft)1.6m (5.2ft)
Direction 223°
SW
245°
WSW
258°
WSW
218°
SW
199°
SSW
198°
SSW
199°
SSW
199°
SSW
Period10.8 sec.10.7 sec.9.4 sec.9.9 sec.11.4 sec.11.6 sec.12.8 sec.12.7 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.2m (3.9ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)
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 Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 06:04 and will set at 18:31 on the beach(es) of Colombo. The outside temperature will be a high of 83°F t and a low of 79°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 18mph). 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)26°C (80°F)28°C (82°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)
Perceived temperature30°C (86°F)30°C (85°F)29°C (85°F)31°C (88°F)30°C (86°F)30°C (87°F)30°C (87°F)30°C (87°F)
Precipitation0in0.1in0in0in0in0in0in0in
Humidity84%83%83%78%74%75%80%82%
Barometric pressure1012 hPa1011 hPa1012 hPa1013 hPa1011 hPa1009 hPa1011 hPa1012 hPa
Cloud cover42%48%30%48%30%35%52%50%
Heat index30°C (86°F)30°C (85°F)29°C (85°F)31°C (88°F)30°C (86°F)30°C (87°F)30°C (87°F)30°C (87°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)22°C (72°F)23°C (73°F)23°C (74°F)24°C (74°F)
Wind
Speed18km/h (11mph)18km/h (11mph)14km/h (9mph)15km/h (9mph)13km/h (8mph)14km/h (9mph)13km/h (8mph)15km/h (9mph)
Gusts27km/h (17mph)29km/h (18mph)21km/h (13mph)22km/h (14mph)20km/h (12mph)19km/h (12mph)19km/h (12mph)22km/h (14mph)
Direction 246°
WSW
246°
WSW
241°
WSW
245°
WSW
261°
W
256°
WSW
249°
WSW
237°
WSW
Wind chill27°C (80°F)27°C (80°F)26°C (80°F)28°C (82°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)
Waves
Height1.6m (5.2ft)1.6m (5.3ft)1.6m (5.2ft)1.5m (5.0ft)1.5m (4.8ft)1.4m (4.6ft)1.3m (4.4ft)1.3m (4.2ft)
Direction 199°
SSW
199°
SSW
199°
SSW
200°
SSW
200°
SSW
200°
SSW
201°
SSW
201°
SSW
Period15.4 sec.13.4 sec.10.7 sec.5.9 sec.8.0 sec.12.4 sec.12.2 sec.12.0 sec.
Significant height1.1m (3.6ft)1.3m (4.3ft)1.2m (3.9ft)1.0m (3.3ft)1.2m (3.9ft)0.8m (2.6ft)1.2m (3.9ft)1.1m (3.6ft)
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 Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 06:04 and will set at 18:31 on the beach(es) of Colombo. The outside temperature will be a high of 83°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 11.2mph km/h (with gusts up to 16.2mph). Wave height will be up to 3.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)27°C (80°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (81°F)
Perceived temperature30°C (87°F)30°C (86°F)31°C (88°F)32°C (89°F)31°C (88°F)31°C (88°F)31°C (89°F)31°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%83%83%78%76%76%81%84%
Barometric pressure1012 hPa1011 hPa1011 hPa1013 hPa1011 hPa1010 hPa1011 hPa1012 hPa
Cloud cover58%13%22%10%38%30%44%21%
Heat index30°C (87°F)30°C (86°F)31°C (88°F)32°C (89°F)31°C (88°F)31°C (88°F)31°C (89°F)31°C (87°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)23°C (73°F)23°C (73°F)24°C (75°F)24°C (75°F)
Wind
Speed15km/h (10mph)17km/h (10mph)15km/h (9mph)17km/h (11mph)18km/h (11mph)17km/h (11mph)17km/h (10mph)16km/h (10mph)
Gusts22km/h (14mph)24km/h (15mph)22km/h (14mph)23km/h (14mph)26km/h (16mph)25km/h (15mph)24km/h (15mph)24km/h (15mph)
Direction 233°
SW
234°
SW
233°
SW
238°
WSW
250°
WSW
253°
WSW
238°
WSW
233°
SW
Wind chill27°C (80°F)27°C (80°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (81°F)
Waves
Height1.2m (4.1ft)1.2m (4.0ft)1.2m (4.0ft)1.2m (4.0ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)
Direction 201°
SSW
202°
SSW
202°
SSW
202°
SSW
203°
SSW
203°
SSW
203°
SSW
203°
SSW
Period14.1 sec.11.5 sec.11.4 sec.12.4 sec.12.3 sec.11.1 sec.10.9 sec.11.4 sec.
Significant height1.3m (4.3ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)
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)28°C (82°F)28°C (82°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 06:04 and will set at 18:31 on the beach(es) of Colombo. The outside temperature will be a high of 83°F t and a low of 81°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 16.2mph). Wave height will be up to 3.9ft 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 (81°F)27°C (81°F)27°C (81°F)27°C (80°F)
Perceived temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (87°F)30°C (86°F)30°C (87°F)31°C (88°F)30°C (87°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity84%84%83%79%77%78%80%84%
Barometric pressure1012 hPa1011 hPa1011 hPa1012 hPa1011 hPa1010 hPa1011 hPa1012 hPa
Cloud cover28%47%46%25%25%30%44%31%
Heat index30°C (86°F)30°C (86°F)30°C (86°F)30°C (87°F)30°C (86°F)30°C (87°F)31°C (88°F)30°C (87°F)
Dew point24°C (75°F)24°C (75°F)24°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)24°C (74°F)24°C (75°F)
Wind
Speed17km/h (11mph)18km/h (11mph)17km/h (11mph)16km/h (10mph)17km/h (11mph)17km/h (11mph)17km/h (10mph)17km/h (11mph)
Gusts25km/h (15mph)26km/h (16mph)25km/h (15mph)23km/h (14mph)26km/h (16mph)25km/h (15mph)23km/h (15mph)25km/h (16mph)
Direction 232°
SW
229°
SW
226°
SW
221°
SW
227°
SW
235°
SW
233°
SW
224°
SW
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)
Waves
Height1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)
Direction 203°
SSW
203°
SSW
204°
SSW
208°
SSW
212°
SSW
212°
SSW
213°
SSW
216°
SW
Period12.6 sec.12.5 sec.12.4 sec.12.1 sec.11.9 sec.11.2 sec.10.5 sec.11.5 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)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 Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 06:04 and will set at 18:31 on the beach(es) of Colombo. The outside temperature will be a high of 83°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 11.8mph 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 temperature27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)
Perceived temperature30°C (87°F)30°C (87°F)31°C (87°F)31°C (87°F)30°C (87°F)31°C (88°F)31°C (88°F)31°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%85%82%78%76%78%81%84%
Barometric pressure1011 hPa1010 hPa1010 hPa1011 hPa1010 hPa1009 hPa1010 hPa1011 hPa
Cloud cover57%57%50%38%29%29%21%25%
Heat index30°C (87°F)30°C (87°F)31°C (87°F)31°C (87°F)30°C (87°F)31°C (88°F)31°C (88°F)31°C (87°F)
Dew point24°C (75°F)24°C (75°F)24°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)24°C (75°F)24°C (75°F)
Wind
Speed19km/h (12mph)19km/h (12mph)17km/h (11mph)17km/h (11mph)17km/h (10mph)16km/h (10mph)16km/h (10mph)16km/h (10mph)
Gusts28km/h (17mph)28km/h (17mph)24km/h (15mph)24km/h (15mph)25km/h (15mph)24km/h (15mph)23km/h (15mph)24km/h (15mph)
Direction 225°
SW
233°
SW
234°
SW
231°
SW
235°
SW
242°
WSW
232°
SW
218°
SW
Wind chill27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)
Waves
Height1.1m (3.6ft)1.0m (3.3ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)
Direction 233°
SW
249°
WSW
217°
SW
219°
SW
218°
SW
218°
SW
218°
SW
218°
SW
Period11.2 sec.11.0 sec.10.8 sec.10.8 sec.10.6 sec.10.3 sec.10.1 sec.9.9 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)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

Change units