Sea weather in Halong Bay in Vietnam All the beach weather in Halong Bay

All the essential weather information for enjoying the beach in Halong Bay in Vietnam, 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 Halong Bay over the next 7 days?

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

Date Outside temp. Our opinion
Friday 17 July 202683°F to 86°Fdiscouraged
Saturday 18 July 202683°F to 88°Fdiscouraged
Sunday 19 July 202681°F to 88°Frecommended
Monday 20 July 202681°F to 88°Frecommended
Tuesday 21 July 202683°F to 88°Frecommended
Wednesday 22 July 202683°F to 88°Frecommended
Thursday 23 July 202683°F to 88°Frecommended

Sea Weather: Your daily and hourly sea weather in Halong Bay

Sea weather on Friday 17 July 2026

On Friday 17 July 2026, the sun will rise at 05:20 and will set at 18:36 on the beach(es) of Halong Bay. The outside temperature will be a high of 86°F t and a low of 83°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 16.2mph km/h (with gusts up to 24.2mph). Wave height will be up to 4.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (83°F)28°C (82°F)28°C (82°F)28°C (83°F)29°C (84°F)30°C (86°F)28°C (83°F)28°C (82°F)
Perceived temperature33°C (92°F)32°C (90°F)32°C (90°F)33°C (91°F)34°C (92°F)35°C (95°F)34°C (93°F)33°C (92°F)
Precipitation0.1in0.1in0in0in0in0in0.1in0.1in
Humidity85%86%86%81%77%72%84%85%
Barometric pressure1002 hPa1001 hPa1002 hPa1003 hPa1002 hPa1000 hPa1000 hPa1002 hPa
Cloud cover46%47%32%53%77%44%21%20%
Heat index33°C (92°F)32°C (90°F)32°C (90°F)33°C (91°F)34°C (92°F)35°C (95°F)34°C (93°F)33°C (92°F)
Dew point25°C (78°F)25°C (77°F)25°C (77°F)24°C (76°F)24°C (76°F)24°C (76°F)25°C (78°F)25°C (78°F)
Wind
Speed26km/h (16mph)22km/h (13mph)17km/h (11mph)6km/h (4mph)12km/h (7mph)13km/h (8mph)21km/h (13mph)22km/h (13mph)
Gusts32km/h (20mph)38km/h (24mph)22km/h (14mph)9km/h (6mph)17km/h (11mph)19km/h (12mph)35km/h (22mph)39km/h (24mph)
Direction 193°
SSW
211°
SSW
222°
SW
217°
SW
217°
SW
207°
SSW
180°
S
186°
S
Wind chill28°C (83°F)28°C (82°F)28°C (82°F)28°C (83°F)29°C (84°F)30°C (86°F)28°C (83°F)28°C (82°F)
Waves
Height1.3m (4.1ft)1.2m (4.0ft)1.1m (3.7ft)1.0m (3.4ft)1.0m (3.3ft)1.0m (3.1ft)1.0m (3.3ft)1.1m (3.5ft)
Direction 186°
S
187°
S
181°
S
175°
S
174°
S
175°
S
174°
S
174°
S
Period6.0 sec.5.7 sec.5.9 sec.6.3 sec.6.0 sec.5.9 sec.5.8 sec.5.6 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)0.7m (2.3ft)0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)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 Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 05:20 and will set at 18:35 on the beach(es) of Halong Bay. The outside temperature will be a high of 88°F t and a low of 83°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 19.9mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (83°F)28°C (82°F)28°C (82°F)30°C (85°F)30°C (87°F)30°C (87°F)29°C (84°F)29°C (84°F)
Perceived temperature34°C (93°F)33°C (92°F)33°C (91°F)35°C (95°F)35°C (95°F)35°C (96°F)35°C (94°F)34°C (94°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity84%85%86%74%65%68%79%81%
Barometric pressure1002 hPa1000 hPa1001 hPa1002 hPa1002 hPa1000 hPa1000 hPa1002 hPa
Cloud cover27%22%28%37%32%31%46%41%
Heat index34°C (93°F)33°C (92°F)33°C (91°F)35°C (95°F)35°C (95°F)35°C (96°F)35°C (94°F)34°C (94°F)
Dew point25°C (77°F)25°C (78°F)25°C (78°F)25°C (76°F)23°C (74°F)24°C (75°F)25°C (77°F)25°C (77°F)
Wind
Speed24km/h (15mph)19km/h (12mph)15km/h (10mph)14km/h (9mph)13km/h (8mph)17km/h (10mph)14km/h (9mph)10km/h (6mph)
Gusts31km/h (19mph)32km/h (20mph)25km/h (16mph)18km/h (11mph)18km/h (11mph)23km/h (14mph)22km/h (14mph)18km/h (11mph)
Direction 195°
SSW
210°
SSW
210°
SSW
230°
SW
189°
S
159°
SSE
151°
SSE
122°
ESE
Wind chill28°C (83°F)28°C (82°F)28°C (82°F)30°C (85°F)30°C (87°F)30°C (87°F)29°C (84°F)29°C (84°F)
Waves
Height1.1m (3.5ft)1.0m (3.3ft)0.9m (3.0ft)0.8m (2.6ft)0.7m (2.4ft)0.7m (2.3ft)0.7m (2.4ft)0.7m (2.2ft)
Direction 176°
S
176°
S
174°
S
175°
S
177°
S
177°
S
177°
S
176°
S
Period5.6 sec.5.9 sec.6.4 sec.6.3 sec.6.1 sec.5.6 sec.5.5 sec.5.5 sec.
Significant height0.8m (2.6ft)0.6m (2ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)0.5m (1.6ft)0.7m (2.3ft)0.6m (2ft)
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 Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 05:21 and will set at 18:35 on the beach(es) of Halong Bay. The outside temperature will be a high of 88°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 9.9mph km/h (with gusts up to 14.3mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (83°F)28°C (82°F)27°C (81°F)30°C (85°F)31°C (88°F)31°C (87°F)29°C (84°F)28°C (83°F)
Perceived temperature34°C (93°F)32°C (90°F)31°C (87°F)34°C (94°F)35°C (94°F)35°C (95°F)34°C (92°F)32°C (90°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%80%80%70%58%63%77%76%
Barometric pressure1002 hPa1000 hPa1002 hPa1003 hPa1002 hPa1001 hPa1002 hPa1004 hPa
Cloud cover24%24%29%19%56%38%92%83%
Heat index34°C (93°F)32°C (90°F)31°C (87°F)34°C (94°F)35°C (94°F)35°C (95°F)34°C (92°F)32°C (90°F)
Dew point25°C (77°F)24°C (76°F)23°C (74°F)24°C (74°F)22°C (71°F)23°C (73°F)24°C (76°F)24°C (75°F)
Wind
Speed12km/h (7mph)11km/h (7mph)6km/h (4mph)10km/h (6mph)12km/h (7mph)16km/h (10mph)10km/h (6mph)7km/h (4mph)
Gusts23km/h (15mph)20km/h (12mph)9km/h (6mph)13km/h (8mph)16km/h (10mph)22km/h (14mph)16km/h (10mph)13km/h (8mph)
Direction 204°
SSW
220°
SW
300°
WNW
295°
WNW
229°
SW
195°
SSW
211°
SSW
249°
WSW
Wind chill29°C (83°F)28°C (82°F)27°C (81°F)30°C (85°F)31°C (88°F)31°C (87°F)29°C (84°F)28°C (83°F)
Waves
Height0.7m (2.4ft)0.8m (2.5ft)0.7m (2.2ft)0.6m (1.9ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.7ft)0.4m (1.5ft)
Direction 178°
S
185°
S
187°
S
186°
S
185°
S
184°
S
180°
S
176°
S
Period5.4 sec.4.5 sec.5.0 sec.5.1 sec.5.2 sec.5.1 sec.4.6 sec.5.0 sec.
Significant height0.7m (2.3ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.7m (2.3ft)0.9m (3ft)0.5m (1.6ft)0.7m (2.3ft)
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 Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 05:21 and will set at 18:35 on the beach(es) of Halong Bay. The outside temperature will be a high of 88°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 9.9mph km/h (with gusts up to 14.3mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)27°C (80°F)27°C (80°F)30°C (85°F)31°C (88°F)31°C (87°F)29°C (84°F)28°C (82°F)
Perceived temperature31°C (89°F)30°C (86°F)30°C (85°F)33°C (92°F)35°C (95°F)35°C (96°F)34°C (94°F)33°C (91°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%82%81%67%60%67%80%83%
Barometric pressure1004 hPa1002 hPa1003 hPa1004 hPa1003 hPa1002 hPa1002 hPa1004 hPa
Cloud cover44%47%47%33%34%32%37%64%
Heat index31°C (89°F)30°C (86°F)30°C (85°F)33°C (92°F)35°C (95°F)35°C (96°F)34°C (94°F)33°C (91°F)
Dew point24°C (75°F)23°C (74°F)23°C (73°F)23°C (73°F)22°C (72°F)24°C (75°F)25°C (77°F)25°C (77°F)
Wind
Speed10km/h (6mph)13km/h (8mph)11km/h (7mph)15km/h (9mph)12km/h (8mph)16km/h (10mph)14km/h (9mph)11km/h (7mph)
Gusts16km/h (10mph)21km/h (13mph)18km/h (11mph)19km/h (12mph)17km/h (11mph)23km/h (14mph)23km/h (14mph)20km/h (13mph)
Direction 288°
WNW
292°
WNW
286°
WNW
291°
WNW
239°
WSW
199°
SSW
173°
S
172°
S
Wind chill28°C (82°F)27°C (80°F)27°C (80°F)30°C (85°F)31°C (88°F)31°C (87°F)29°C (84°F)28°C (82°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.2ft)0.3m (1.1ft)0.3m (1.1ft)0.4m (1.2ft)0.4m (1.2ft)0.4m (1.2ft)
Direction 175°
S
176°
S
176°
S
176°
S
175°
S
177°
S
176°
S
177°
S
Period5.0 sec.4.9 sec.4.8 sec.4.6 sec.5.8 sec.5.3 sec.5.1 sec.4.9 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)
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 Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 05:22 and will set at 18:35 on the beach(es) of Halong Bay. The outside temperature will be a high of 88°F t and a low of 83°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 13.7mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (83°F)28°C (82°F)28°C (82°F)29°C (83°F)30°C (87°F)31°C (88°F)29°C (85°F)29°C (83°F)
Perceived temperature33°C (91°F)32°C (90°F)32°C (90°F)33°C (92°F)35°C (95°F)36°C (97°F)35°C (95°F)34°C (94°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%80%82%78%67%65%79%84%
Barometric pressure1003 hPa1002 hPa1003 hPa1004 hPa1003 hPa1001 hPa1002 hPa1004 hPa
Cloud cover80%45%46%45%46%47%23%31%
Heat index33°C (91°F)32°C (90°F)32°C (90°F)33°C (92°F)35°C (95°F)36°C (97°F)35°C (95°F)34°C (94°F)
Dew point24°C (76°F)24°C (76°F)25°C (76°F)24°C (76°F)23°C (74°F)24°C (75°F)25°C (77°F)26°C (78°F)
Wind
Speed6km/h (4mph)5km/h (3mph)10km/h (6mph)15km/h (9mph)8km/h (5mph)8km/h (5mph)12km/h (8mph)9km/h (6mph)
Gusts10km/h (6mph)9km/h (5mph)18km/h (11mph)22km/h (14mph)11km/h (7mph)11km/h (7mph)19km/h (11mph)15km/h (9mph)
Direction 170°
S
114°
ESE
59°
ENE
52°
NE
95°
E
100°
E
175°
S
170°
S
Wind chill28°C (83°F)28°C (82°F)28°C (82°F)29°C (83°F)30°C (87°F)31°C (88°F)29°C (85°F)29°C (83°F)
Waves
Height0.3m (1.1ft)0.3m (1.1ft)0.3m (1.0ft)0.4m (1.2ft)0.4m (1.4ft)0.4m (1.5ft)0.4m (1.5ft)0.4m (1.3ft)
Direction 177°
S
176°
S
175°
S
174°
S
174°
S
176°
S
177°
S
178°
S
Period4.8 sec.5.0 sec.5.0 sec.5.5 sec.5.8 sec.5.6 sec.5.4 sec.5.2 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)
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)30°C (86°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 05:22 and will set at 18:34 on the beach(es) of Halong Bay. The outside temperature will be a high of 88°F t and a low of 83°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 8.1mph km/h (with gusts up to 13.7mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (83°F)28°C (82°F)28°C (83°F)30°C (85°F)31°C (87°F)30°C (85°F)28°C (83°F)28°C (83°F)
Perceived temperature34°C (92°F)33°C (91°F)34°C (93°F)35°C (96°F)36°C (97°F)34°C (93°F)33°C (91°F)33°C (92°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%85%82%75%70%69%78%84%
Barometric pressure1003 hPa1003 hPa1003 hPa1004 hPa1003 hPa1002 hPa1002 hPa1003 hPa
Cloud cover33%29%30%32%27%15%11%14%
Heat index34°C (92°F)33°C (91°F)34°C (93°F)35°C (96°F)36°C (97°F)34°C (93°F)33°C (91°F)33°C (92°F)
Dew point25°C (78°F)25°C (77°F)25°C (77°F)25°C (77°F)24°C (76°F)23°C (74°F)24°C (76°F)25°C (77°F)
Wind
Speed11km/h (7mph)8km/h (5mph)7km/h (4mph)9km/h (5mph)11km/h (7mph)13km/h (8mph)13km/h (8mph)11km/h (7mph)
Gusts18km/h (11mph)12km/h (8mph)10km/h (6mph)11km/h (7mph)14km/h (9mph)22km/h (14mph)22km/h (14mph)18km/h (11mph)
Direction 188°
S
180°
S
161°
SSE
160°
SSE
146°
SSE
121°
ESE
113°
ESE
120°
ESE
Wind chill28°C (83°F)28°C (82°F)28°C (83°F)30°C (85°F)31°C (87°F)30°C (85°F)28°C (83°F)28°C (83°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.6ft)
Direction 178°
S
180°
S
180°
S
177°
S
174°
S
171°
S
172°
S
172°
S
Period5.2 sec.5.1 sec.4.7 sec.4.6 sec.4.7 sec.5.3 sec.5.6 sec.5.7 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)0.7m (2.3ft)0.9m (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 on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 05:22 and will set at 18:34 on the beach(es) of Halong Bay. The outside temperature will be a high of 88°F t and a low of 83°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 10.6mph km/h (with gusts up to 18mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)28°C (82°F)28°C (83°F)30°C (86°F)30°C (87°F)29°C (84°F)29°C (83°F)28°C (83°F)
Perceived temperature33°C (91°F)33°C (91°F)33°C (92°F)36°C (96°F)36°C (97°F)34°C (92°F)34°C (92°F)34°C (93°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%82%81%73%70%72%81%85%
Barometric pressure1003 hPa1002 hPa1002 hPa1002 hPa1001 hPa1000 hPa1000 hPa1002 hPa
Cloud cover25%25%20%17%19%14%15%17%
Heat index33°C (91°F)33°C (91°F)33°C (92°F)36°C (96°F)36°C (97°F)34°C (92°F)34°C (92°F)34°C (93°F)
Dew point25°C (77°F)25°C (76°F)25°C (76°F)25°C (76°F)24°C (76°F)24°C (74°F)25°C (77°F)25°C (78°F)
Wind
Speed10km/h (6mph)10km/h (6mph)11km/h (7mph)13km/h (8mph)15km/h (9mph)17km/h (11mph)16km/h (10mph)14km/h (9mph)
Gusts16km/h (10mph)15km/h (10mph)17km/h (11mph)17km/h (11mph)21km/h (13mph)29km/h (18mph)26km/h (16mph)22km/h (14mph)
Direction 123°
ESE
94°
E
70°
ENE
77°
ENE
93°
E
106°
ESE
106°
ESE
103°
ESE
Wind chill28°C (82°F)28°C (82°F)28°C (83°F)30°C (86°F)30°C (87°F)29°C (84°F)29°C (83°F)28°C (83°F)
Waves
Height0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.6ft)0.5m (1.6ft)
Direction 173°
S
174°
S
176°
S
177°
S
176°
S
176°
S
177°
S
177°
S
Period5.4 sec.5.1 sec.5.3 sec.5.6 sec.5.6 sec.5.4 sec.5.4 sec.5.4 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)0.6m (2ft)0.7m (2.3ft)0.9m (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

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