Sea weather in Tongatapu Island in Tonga All the beach weather in Tongatapu Island

All the essential weather information for enjoying the beach in Tongatapu Island in Tonga, 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 Tongatapu Island over the next 7 days?

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

Date Outside temp. Our opinion
Sunday 19 July 202668°F to 70°Fdiscouraged
Monday 20 July 202668°F to 70°Fdiscouraged
Tuesday 21 July 202670°F to 72°Fdiscouraged
Wednesday 22 July 202670°F to 74°Fdiscouraged
Thursday 23 July 202668°F to 70°Fdiscouraged
Friday 24 July 202667°F to 68°Fdiscouraged
Saturday 25 July 202665°F to 68°Frecommended

Sea Weather: Your daily and hourly sea weather in Tongatapu Island

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 07:17 and will set at 18:17 on the beach(es) of Tongatapu Island. The outside temperature will be a high of 70°F t and a low of 68°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 20.5mph km/h (with gusts up to 29.2mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)21°C (71°F)21°C (69°F)21°C (70°F)20°C (69°F)21°C (69°F)20°C (68°F)21°C (69°F)
Perceived temperature21°C (70°F)21°C (71°F)21°C (69°F)21°C (70°F)20°C (69°F)21°C (69°F)20°C (68°F)21°C (69°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity62%58%64%64%63%63%66%66%
Barometric pressure1022 hPa1022 hPa1021 hPa1022 hPa1022 hPa1020 hPa1020 hPa1022 hPa
Cloud cover79%79%11%52%43%53%64%100%
Heat index24°C (76°F)24°C (76°F)21°C (69°F)21°C (70°F)20°C (69°F)21°C (69°F)20°C (68°F)21°C (69°F)
Dew point14°C (57°F)13°C (55°F)14°C (57°F)14°C (57°F)13°C (55°F)13°C (56°F)14°C (57°F)14°C (57°F)
Wind
Speed32km/h (20mph)26km/h (16mph)30km/h (19mph)33km/h (21mph)33km/h (21mph)30km/h (19mph)32km/h (20mph)33km/h (21mph)
Gusts43km/h (27mph)36km/h (22mph)40km/h (25mph)43km/h (27mph)46km/h (29mph)43km/h (27mph)47km/h (29mph)45km/h (28mph)
Direction 119°
ESE
112°
ESE
126°
SE
121°
ESE
109°
ESE
106°
ESE
109°
ESE
110°
ESE
Wind chill21°C (70°F)21°C (71°F)21°C (69°F)21°C (70°F)20°C (69°F)21°C (69°F)20°C (68°F)21°C (69°F)
Waves
Height1.6m (5.3ft)1.5m (5.1ft)1.5m (5.0ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.4ft)1.7m (5.7ft)
Direction 180°
S
181°
S
182°
S
184°
S
189°
S
193°
SSW
197°
SSW
184°
S
Period14.4 sec.14.3 sec.14.2 sec.14.1 sec.15.5 sec.13.7 sec.13.4 sec.13.4 sec.
Significant height1.0m (3.3ft)0.9m (3ft)0.9m (3ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)
Sea water temperature
Water temperature21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 07:17 and will set at 18:17 on the beach(es) of Tongatapu Island. The outside temperature will be a high of 70°F t and a low of 68°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 19.3mph km/h (with gusts up to 28.6mph). Wave height will be up to 5.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)
Perceived temperature21°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%65%68%68%67%67%70%69%
Barometric pressure1022 hPa1020 hPa1020 hPa1021 hPa1020 hPa1019 hPa1018 hPa1020 hPa
Cloud cover93%79%54%91%65%75%68%36%
Heat index21°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)
Dew point14°C (57°F)14°C (57°F)15°C (58°F)15°C (59°F)15°C (58°F)14°C (58°F)15°C (59°F)15°C (59°F)
Wind
Speed29km/h (18mph)27km/h (17mph)24km/h (15mph)31km/h (19mph)28km/h (17mph)23km/h (14mph)31km/h (19mph)28km/h (17mph)
Gusts38km/h (24mph)37km/h (23mph)32km/h (20mph)42km/h (26mph)39km/h (24mph)32km/h (20mph)46km/h (28mph)39km/h (24mph)
Direction 103°
ESE
96°
E
104°
ESE
92°
E
96°
E
104°
ESE
101°
E
101°
E
Wind chill21°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (70°F)
Waves
Height1.8m (5.9ft)1.7m (5.7ft)1.7m (5.6ft)1.7m (5.6ft)1.7m (5.7ft)1.8m (5.8ft)1.7m (5.7ft)1.7m (5.7ft)
Direction 187°
S
210°
SSW
212°
SSW
214°
SW
214°
SW
209°
SSW
214°
SW
211°
SSW
Period13.3 sec.11.6 sec.11.3 sec.11.3 sec.10.9 sec.14.6 sec.14.6 sec.10.1 sec.
Significant height1.0m (3.3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 07:17 and will set at 18:18 on the beach(es) of Tongatapu Island. The outside temperature will be a high of 72°F t and a low of 70°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 19.9mph km/h (with gusts up to 28mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)22°C (72°F)
Perceived temperature21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)25°C (76°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%69%72%71%74%76%76%80%
Barometric pressure1019 hPa1017 hPa1017 hPa1018 hPa1017 hPa1014 hPa1015 hPa1015 hPa
Cloud cover44%18%47%74%49%62%67%84%
Heat index24°C (76°F)24°C (76°F)21°C (70°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)25°C (76°F)
Dew point16°C (60°F)15°C (60°F)16°C (61°F)16°C (61°F)16°C (61°F)17°C (62°F)17°C (63°F)19°C (66°F)
Wind
Speed27km/h (17mph)27km/h (17mph)28km/h (17mph)27km/h (17mph)32km/h (20mph)24km/h (15mph)24km/h (15mph)22km/h (14mph)
Gusts36km/h (22mph)36km/h (22mph)37km/h (23mph)37km/h (23mph)45km/h (28mph)35km/h (22mph)35km/h (22mph)32km/h (20mph)
Direction 96°
E
92°
E
92°
E
85°
E
63°
ENE
61°
ENE
38°
NE
33°
NNE
Wind chill21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)21°C (70°F)22°C (71°F)22°C (72°F)
Waves
Height1.7m (5.6ft)1.7m (5.5ft)1.6m (5.3ft)1.6m (5.2ft)1.6m (5.1ft)1.6m (5.2ft)1.6m (5.2ft)1.4m (4.7ft)
Direction 207°
SSW
213°
SSW
211°
SSW
209°
SSW
212°
SSW
212°
SSW
211°
SSW
210°
SSW
Period16.7 sec.16.5 sec.16.3 sec.15.9 sec.15.5 sec.15.4 sec.15.3 sec.15.1 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)1.0m (3.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 07:17 and will set at 18:18 on the beach(es) of Tongatapu Island. The outside temperature will be a high of 74°F t and a low of 70°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 16.8mph km/h (with gusts up to 23mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)22°C (72°F)21°C (71°F)21°C (71°F)21°C (70°F)
Perceived temperature25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (76°F)21°C (71°F)21°C (71°F)21°C (70°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%74%77%77%77%77%79%80%
Barometric pressure1014 hPa1014 hPa1013 hPa1015 hPa1014 hPa1012 hPa1012 hPa1014 hPa
Cloud cover47%95%49%46%77%39%65%92%
Heat index25°C (77°F)25°C (77°F)25°C (76°F)25°C (77°F)25°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)
Dew point18°C (65°F)18°C (64°F)18°C (65°F)18°C (65°F)18°C (64°F)17°C (63°F)18°C (64°F)18°C (64°F)
Wind
Speed26km/h (16mph)22km/h (14mph)16km/h (10mph)15km/h (10mph)20km/h (12mph)18km/h (11mph)20km/h (13mph)27km/h (17mph)
Gusts37km/h (23mph)31km/h (19mph)23km/h (14mph)22km/h (14mph)28km/h (18mph)27km/h (17mph)30km/h (19mph)37km/h (23mph)
Direction 345°
NNW
329°
NNW
303°
WNW
278°
W
250°
WSW
245°
WSW
227°
SW
183°
S
Wind chill23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)22°C (72°F)21°C (71°F)21°C (71°F)21°C (70°F)
Waves
Height1.4m (4.5ft)1.4m (4.8ft)1.4m (4.7ft)1.4m (4.5ft)1.4m (4.5ft)1.4m (4.5ft)1.4m (4.5ft)1.4m (4.5ft)
Direction 208°
SSW
210°
SSW
210°
SSW
210°
SSW
189°
S
189°
S
190°
S
190°
S
Period14.9 sec.15.4 sec.14.5 sec.14.4 sec.19.1 sec.18.7 sec.17.9 sec.17.5 sec.
Significant height0.6m (2ft)0.9m (3ft)0.7m (2.3ft)0.5m (1.6ft)0.3m (1ft)0.2m (0.7ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)21°C (69°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 07:16 and will set at 18:18 on the beach(es) of Tongatapu Island. The outside temperature will be a high of 70°F t and a low of 68°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 18.6mph km/h (with gusts up to 24.2mph). Wave height will be up to 4.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)21°C (69°F)21°C (69°F)21°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (69°F)
Perceived temperature21°C (70°F)21°C (69°F)21°C (69°F)21°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (69°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%71%70%70%69%64%62%55%
Barometric pressure1014 hPa1013 hPa1013 hPa1016 hPa1015 hPa1014 hPa1014 hPa1016 hPa
Cloud cover100%100%87%95%50%85%87%69%
Heat index21°C (70°F)21°C (69°F)21°C (69°F)21°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (69°F)
Dew point16°C (62°F)15°C (60°F)15°C (59°F)15°C (59°F)14°C (58°F)13°C (55°F)12°C (54°F)11°C (52°F)
Wind
Speed27km/h (17mph)30km/h (18mph)29km/h (18mph)29km/h (18mph)28km/h (17mph)26km/h (16mph)27km/h (17mph)23km/h (15mph)
Gusts36km/h (22mph)38km/h (24mph)39km/h (24mph)38km/h (24mph)39km/h (24mph)36km/h (22mph)38km/h (24mph)32km/h (20mph)
Direction 173°
S
180°
S
167°
SSE
166°
SSE
165°
SSE
173°
S
168°
SSE
156°
SSE
Wind chill21°C (70°F)21°C (69°F)21°C (69°F)21°C (69°F)20°C (68°F)20°C (68°F)20°C (68°F)20°C (69°F)
Waves
Height1.3m (4.3ft)1.3m (4.2ft)1.2m (4.1ft)1.2m (4.1ft)1.3m (4.2ft)1.4m (4.6ft)1.5m (4.8ft)1.5m (5.0ft)
Direction 191°
S
191°
S
192°
SSW
191°
SSW
191°
S
193°
SSW
192°
SSW
193°
SSW
Period16.9 sec.16.4 sec.15.8 sec.15.4 sec.15.1 sec.14.8 sec.11.6 sec.8.6 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.2m (0.7ft)0.1m (0.3ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature23°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)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 07:16 and will set at 18:19 on the beach(es) of Tongatapu Island. The outside temperature will be a high of 68°F t and a low of 67°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 19.3mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)20°C (67°F)
Perceived temperature20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)20°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity63%65%62%59%59%60%61%60%
Barometric pressure1016 hPa1016 hPa1016 hPa1017 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover89%71%37%19%18%25%26%64%
Heat index20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)20°C (67°F)
Dew point13°C (55°F)13°C (55°F)12°C (54°F)11°C (53°F)11°C (52°F)11°C (52°F)12°C (53°F)12°C (53°F)
Wind
Speed23km/h (14mph)24km/h (15mph)22km/h (14mph)19km/h (12mph)18km/h (11mph)17km/h (11mph)18km/h (11mph)17km/h (11mph)
Gusts30km/h (18mph)31km/h (19mph)29km/h (18mph)26km/h (16mph)25km/h (16mph)26km/h (16mph)27km/h (17mph)24km/h (15mph)
Direction 141°
SE
149°
SSE
154°
SSE
143°
SE
130°
SE
133°
SE
135°
SE
127°
SE
Wind chill20°C (68°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)20°C (67°F)
Waves
Height1.6m (5.2ft)1.6m (5.2ft)1.7m (5.6ft)1.7m (5.6ft)1.6m (5.2ft)1.6m (5.2ft)1.4m (4.6ft)1.3m (4.3ft)
Direction 194°
SSW
194°
SSW
190°
S
187°
S
191°
S
194°
SSW
193°
SSW
193°
SSW
Period8.5 sec.11.8 sec.13.4 sec.13.1 sec.12.8 sec.12.6 sec.12.5 sec.12.2 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature23°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)

Sea weather on Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 07:16 and will set at 18:19 on the beach(es) of Tongatapu Island. The outside temperature will be a high of 68°F t and a low of 65°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 13.1mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (67°F)20°C (67°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (66°F)19°C (66°F)20°C (67°F)
Perceived temperature20°C (67°F)20°C (67°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (66°F)19°C (66°F)20°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity62%61%58%56%54%57%62%67%
Barometric pressure1016 hPa1015 hPa1015 hPa1017 hPa1016 hPa1015 hPa1016 hPa1017 hPa
Cloud cover78%77%80%76%36%8%31%26%
Heat index20°C (67°F)20°C (67°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (66°F)19°C (66°F)20°C (67°F)
Dew point12°C (54°F)12°C (53°F)11°C (52°F)11°C (51°F)10°C (50°F)10°C (50°F)12°C (53°F)13°C (56°F)
Wind
Speed15km/h (9mph)10km/h (6mph)6km/h (4mph)3km/h (2mph)6km/h (4mph)11km/h (7mph)13km/h (8mph)12km/h (8mph)
Gusts20km/h (13mph)14km/h (9mph)8km/h (5mph)4km/h (2mph)9km/h (6mph)19km/h (12mph)21km/h (13mph)17km/h (11mph)
Direction 106°
ESE
88°
E
69°
ENE
185°
S
232°
SW
219°
SW
198°
SSW
155°
SSE
Wind chill20°C (67°F)20°C (67°F)20°C (67°F)20°C (67°F)20°C (67°F)19°C (66°F)19°C (66°F)20°C (67°F)
Waves
Height1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)
Direction 192°
SSW
190°
S
189°
S
208°
SSW
219°
SW
217°
SW
218°
SW
219°
SW
Period8.9 sec.7.3 sec.10.2 sec.11.5 sec.11.2 sec.10.1 sec.9.6 sec.9.5 sec.
Significant height0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.3m (1ft)0.4m (1.3ft)
Sea water temperature
Water temperature23°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)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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