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

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

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

Date Outside temp. Our opinion
Monday 20 July 202679°F to 83°Fdiscouraged
Tuesday 21 July 202677°F to 83°Fdiscouraged
Wednesday 22 July 202681°F to 85°Frecommended
Thursday 23 July 202679°F to 83°Frecommended
Friday 24 July 202681°F to 83°Frecommended
Saturday 25 July 202681°F to 83°Fdiscouraged
Sunday 26 July 202681°F to 83°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Mirissa

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 06:03 and will set at 18:28 on the beach(es) of Mirissa. 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 15.5mph km/h (with gusts up to 23mph). Wave height will be up to 5.9ft 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 (80°F)27°C (80°F)
Perceived temperature30°C (87°F)30°C (86°F)30°C (85°F)31°C (89°F)31°C (87°F)31°C (88°F)30°C (86°F)30°C (86°F)
Precipitation0in0.1in0in0in0in0in0in0in
Humidity82%82%83%81%81%80%82%83%
Barometric pressure1011 hPa1010 hPa1012 hPa1013 hPa1011 hPa1009 hPa1011 hPa1013 hPa
Cloud cover60%55%69%55%42%63%40%49%
Heat index30°C (87°F)30°C (86°F)30°C (85°F)31°C (89°F)31°C (87°F)31°C (88°F)30°C (86°F)30°C (86°F)
Dew point24°C (75°F)23°C (74°F)23°C (74°F)24°C (75°F)23°C (74°F)24°C (74°F)24°C (74°F)23°C (74°F)
Wind
Speed23km/h (14mph)22km/h (13mph)24km/h (15mph)25km/h (15mph)24km/h (15mph)23km/h (15mph)21km/h (13mph)19km/h (12mph)
Gusts35km/h (21mph)33km/h (21mph)35km/h (22mph)37km/h (23mph)35km/h (22mph)37km/h (23mph)33km/h (21mph)31km/h (19mph)
Direction 260°
W
263°
W
258°
WSW
267°
W
271°
W
274°
W
277°
W
278°
W
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 (80°F)27°C (80°F)
Waves
Height1.6m (5.2ft)1.6m (5.3ft)1.6m (5.4ft)1.7m (5.5ft)1.7m (5.7ft)1.7m (5.7ft)1.7m (5.7ft)1.8m (5.8ft)
Direction 200°
SSW
200°
SSW
189°
S
190°
S
189°
S
188°
S
189°
S
189°
S
Period8.3 sec.8.3 sec.13.2 sec.12.3 sec.12.2 sec.12.2 sec.12.3 sec.12.3 sec.
Significant height1.3m (4.3ft)1.2m (3.9ft)1.4m (4.6ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)
Sea water temperature
Water temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 06:03 and will set at 18:28 on the beach(es) of Mirissa. The outside temperature will be a high of 83°F t and a low of 77°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 14.3mph km/h (with gusts up to 21.8mph). Wave height will be up to 5.9ft 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)25°C (76°F)28°C (82°F)27°C (80°F)27°C (81°F)
Perceived temperature30°C (87°F)30°C (85°F)30°C (86°F)32°C (89°F)26°C (80°F)32°C (89°F)30°C (85°F)31°C (88°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%82%83%80%75%75%82%84%
Barometric pressure1011 hPa1011 hPa1011 hPa1012 hPa1010 hPa1009 hPa1011 hPa1012 hPa
Cloud cover37%46%42%29%8%26%7%6%
Heat index30°C (87°F)30°C (85°F)30°C (86°F)32°C (89°F)26°C (80°F)32°C (89°F)30°C (85°F)31°C (88°F)
Dew point24°C (75°F)23°C (74°F)23°C (74°F)24°C (75°F)20°C (68°F)23°C (74°F)23°C (74°F)24°C (75°F)
Wind
Speed22km/h (14mph)21km/h (13mph)19km/h (12mph)20km/h (13mph)22km/h (13mph)23km/h (14mph)19km/h (12mph)19km/h (12mph)
Gusts35km/h (21mph)32km/h (20mph)30km/h (18mph)28km/h (17mph)29km/h (18mph)33km/h (20mph)33km/h (20mph)29km/h (18mph)
Direction 273°
W
274°
W
267°
W
271°
W
272°
W
284°
WNW
277°
W
269°
W
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)28°C (82°F)25°C (76°F)28°C (82°F)27°C (80°F)27°C (81°F)
Waves
Height1.8m (5.8ft)1.8m (5.8ft)1.7m (5.7ft)1.7m (5.7ft)1.7m (5.5ft)1.6m (5.3ft)1.6m (5.2ft)1.5m (4.9ft)
Direction 189°
S
189°
S
189°
S
189°
S
189°
S
189°
S
190°
S
190°
S
Period16.2 sec.15.7 sec.15.4 sec.15.3 sec.14.8 sec.14.5 sec.14.4 sec.14.2 sec.
Significant height1.6m (5.2ft)1.6m (5.2ft)0.9m (3ft)1.5m (4.9ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 06:03 and will set at 18:28 on the beach(es) of Mirissa. The outside temperature will be a high of 85°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 12.4mph km/h (with gusts up to 18mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)27°C (81°F)27°C (81°F)28°C (83°F)28°C (82°F)28°C (82°F)27°C (81°F)27°C (80°F)
Perceived temperature31°C (88°F)31°C (87°F)31°C (88°F)32°C (90°F)31°C (88°F)32°C (89°F)31°C (88°F)30°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%82%83%77%73%76%82%83%
Barometric pressure1012 hPa1010 hPa1011 hPa1012 hPa1011 hPa1010 hPa1011 hPa1013 hPa
Cloud cover16%12%31%33%24%48%41%35%
Heat index31°C (88°F)31°C (87°F)31°C (88°F)32°C (90°F)31°C (88°F)32°C (89°F)31°C (88°F)30°C (87°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)24°C (74°F)23°C (73°F)23°C (74°F)24°C (75°F)24°C (75°F)
Wind
Speed17km/h (10mph)17km/h (11mph)18km/h (11mph)19km/h (12mph)18km/h (11mph)20km/h (13mph)19km/h (12mph)18km/h (11mph)
Gusts26km/h (16mph)26km/h (16mph)27km/h (17mph)26km/h (16mph)26km/h (16mph)28km/h (17mph)29km/h (18mph)27km/h (17mph)
Direction 270°
W
262°
W
268°
W
267°
W
269°
W
259°
W
257°
WSW
258°
WSW
Wind chill27°C (81°F)27°C (81°F)27°C (81°F)28°C (83°F)28°C (82°F)28°C (82°F)27°C (81°F)27°C (80°F)
Waves
Height1.4m (4.8ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.5ft)1.4m (4.5ft)1.4m (4.5ft)1.4m (4.5ft)1.3m (4.4ft)
Direction 190°
S
190°
S
190°
S
190°
S
191°
S
190°
S
191°
S
191°
S
Period13.8 sec.13.6 sec.13.5 sec.13.3 sec.13.2 sec.12.9 sec.12.7 sec.12.6 sec.
Significant height0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)1.2m (3.9ft)
Sea water temperature
Water temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 06:04 and will set at 18:28 on the beach(es) of Mirissa. 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 11.8mph km/h (with gusts up to 18mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (80°F)27°C (80°F)28°C (82°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (81°F)
Perceived temperature30°C (86°F)30°C (85°F)30°C (85°F)31°C (88°F)30°C (86°F)31°C (88°F)30°C (87°F)31°C (87°F)
Precipitation0in0in0in0in0.1in0in0in0in
Humidity84%83%83%81%77%76%81%83%
Barometric pressure1012 hPa1010 hPa1011 hPa1012 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover26%33%47%46%27%32%52%52%
Heat index30°C (86°F)30°C (85°F)30°C (85°F)31°C (88°F)30°C (86°F)31°C (88°F)30°C (87°F)31°C (87°F)
Dew point24°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)23°C (73°F)23°C (73°F)24°C (74°F)24°C (75°F)
Wind
Speed17km/h (10mph)16km/h (10mph)15km/h (9mph)17km/h (11mph)17km/h (11mph)19km/h (12mph)17km/h (11mph)16km/h (10mph)
Gusts25km/h (16mph)24km/h (15mph)22km/h (14mph)24km/h (15mph)25km/h (16mph)29km/h (18mph)26km/h (16mph)25km/h (16mph)
Direction 259°
WSW
264°
W
265°
W
250°
WSW
254°
WSW
255°
WSW
254°
WSW
251°
WSW
Wind chill27°C (80°F)26°C (80°F)27°C (80°F)28°C (82°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (81°F)
Waves
Height1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.4ft)1.3m (4.4ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.2ft)
Direction 191°
S
191°
S
192°
SSW
192°
SSW
191°
S
190°
S
190°
S
189°
S
Period12.5 sec.12.4 sec.12.3 sec.11.9 sec.11.7 sec.9.8 sec.9.7 sec.9.7 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 06:04 and will set at 18:28 on the beach(es) of Mirissa. 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 16.8mph). Wave height will be up to 4.3ft 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)28°C (82°F)28°C (83°F)28°C (82°F)27°C (81°F)
Perceived temperature30°C (86°F)30°C (86°F)30°C (86°F)31°C (89°F)31°C (87°F)32°C (89°F)31°C (88°F)31°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%83%84%81%75%75%80%83%
Barometric pressure1011 hPa1009 hPa1010 hPa1011 hPa1010 hPa1008 hPa1009 hPa1010 hPa
Cloud cover61%31%53%56%22%63%46%38%
Heat index30°C (86°F)30°C (86°F)30°C (86°F)31°C (89°F)31°C (87°F)32°C (89°F)31°C (88°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 (74°F)24°C (74°F)24°C (75°F)
Wind
Speed17km/h (11mph)16km/h (10mph)17km/h (11mph)18km/h (11mph)18km/h (11mph)18km/h (11mph)17km/h (10mph)15km/h (10mph)
Gusts26km/h (16mph)25km/h (16mph)27km/h (16mph)27km/h (17mph)26km/h (16mph)24km/h (15mph)24km/h (15mph)24km/h (15mph)
Direction 249°
WSW
249°
WSW
254°
WSW
262°
W
263°
W
268°
W
264°
W
259°
W
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)28°C (82°F)28°C (82°F)28°C (83°F)28°C (82°F)27°C (81°F)
Waves
Height1.3m (4.2ft)1.3m (4.2ft)1.3m (4.2ft)1.2m (4.1ft)1.2m (4.0ft)1.2m (4.0ft)1.2m (3.9ft)1.2m (3.9ft)
Direction 186°
S
183°
S
205°
SSW
204°
SSW
204°
SSW
204°
SSW
203°
SSW
203°
SSW
Period9.7 sec.9.7 sec.9.6 sec.9.6 sec.9.6 sec.9.6 sec.9.6 sec.9.5 sec.
Significant height1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)29°C (83°F)29°C (83°F)

Sea weather on Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 06:04 and will set at 18:28 on the beach(es) of Mirissa. 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 13.1mph km/h (with gusts up to 21.8mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)27°C (81°F)27°C (80°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (80°F)27°C (81°F)
Perceived temperature31°C (87°F)31°C (87°F)30°C (87°F)31°C (87°F)31°C (88°F)31°C (87°F)30°C (86°F)31°C (88°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%83%83%80%75%76%80%83%
Barometric pressure1010 hPa1009 hPa1010 hPa1011 hPa1010 hPa1009 hPa1010 hPa1011 hPa
Cloud cover17%7%14%26%34%30%13%31%
Heat index31°C (87°F)31°C (87°F)30°C (87°F)31°C (87°F)31°C (88°F)31°C (87°F)30°C (86°F)31°C (88°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)24°C (75°F)
Wind
Speed18km/h (11mph)21km/h (13mph)20km/h (12mph)20km/h (12mph)21km/h (13mph)21km/h (13mph)19km/h (12mph)19km/h (12mph)
Gusts28km/h (17mph)32km/h (20mph)31km/h (19mph)33km/h (21mph)35km/h (22mph)31km/h (19mph)32km/h (20mph)29km/h (18mph)
Direction 262°
W
267°
W
266°
W
268°
W
270°
W
273°
W
276°
W
270°
W
Wind chill27°C (81°F)27°C (81°F)27°C (80°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (80°F)27°C (81°F)
Waves
Height1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.4m (4.6ft)1.4m (4.6ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)
Direction 202°
SSW
202°
SSW
202°
SSW
200°
SSW
197°
SSW
196°
SSW
195°
SSW
193°
SSW
Period9.4 sec.9.4 sec.9.2 sec.9.6 sec.10.9 sec.10.7 sec.10.5 sec.10.5 sec.
Significant height1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)

Sea weather on Sunday 26 July 2026

On Sunday 26 July 2026, the sun will rise at 06:04 and will set at 18:28 on the beach(es) of Mirissa. 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 21.8mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (81°F)27°C (81°F)
Perceived temperature31°C (87°F)31°C (87°F)31°C (87°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%82%80%77%74%75%81%82%
Barometric pressure1011 hPa1010 hPa1010 hPa1011 hPa1011 hPa1009 hPa1010 hPa1011 hPa
Cloud cover28%12%23%49%33%30%27%21%
Heat index31°C (87°F)31°C (87°F)31°C (87°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (88°F)31°C (87°F)
Dew point24°C (75°F)24°C (74°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
Speed19km/h (12mph)20km/h (12mph)20km/h (12mph)23km/h (14mph)23km/h (15mph)24km/h (15mph)22km/h (14mph)19km/h (12mph)
Gusts30km/h (18mph)31km/h (19mph)30km/h (19mph)32km/h (20mph)33km/h (21mph)35km/h (21mph)33km/h (21mph)30km/h (19mph)
Direction 265°
W
262°
W
269°
W
272°
W
275°
W
273°
W
269°
W
275°
W
Wind chill27°C (81°F)27°C (81°F)27°C (81°F)28°C (82°F)28°C (82°F)28°C (82°F)27°C (81°F)27°C (81°F)
Waves
Height1.5m (4.9ft)1.6m (5.2ft)1.6m (5.2ft)1.7m (5.6ft)1.7m (5.6ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)
Direction 192°
SSW
190°
S
187°
S
182°
S
183°
S
184°
S
185°
S
187°
S
Period10.7 sec.10.6 sec.10.3 sec.10.5 sec.10.7 sec.10.6 sec.11.6 sec.13.3 sec.
Significant height1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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