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
Sunday 14 December 202561°F to 67°Frecommended
Monday 15 December 202563°F to 67°Fdiscouraged
Tuesday 16 December 202565°F to 68°Fdiscouraged
Wednesday 17 December 202567°F to 70°Frecommended
Thursday 18 December 202565°F to 70°Frecommended
Friday 19 December 202565°F to 70°Frecommended
Saturday 20 December 202565°F to 70°Frecommended

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

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 06:20 and will set at 17:13 on the beach(es) of Halong Bay. The outside temperature will be a high of 67°F t and a low of 61°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 18mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (61°F)16°C (60°F)16°C (60°F)16°C (62°F)19°C (66°F)19°C (65°F)17°C (63°F)18°C (64°F)
Perceived temperature16°C (61°F)16°C (60°F)16°C (60°F)16°C (62°F)19°C (66°F)19°C (65°F)17°C (63°F)18°C (64°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%79%76%68%59%60%68%66%
Barometric pressure1022 hPa1021 hPa1021 hPa1023 hPa1021 hPa1019 hPa1020 hPa1021 hPa
Cloud cover100%100%100%100%68%42%31%71%
Heat index16°C (61°F)16°C (60°F)16°C (60°F)16°C (62°F)19°C (66°F)19°C (65°F)17°C (63°F)18°C (64°F)
Dew point13°C (56°F)12°C (54°F)11°C (52°F)11°C (51°F)11°C (51°F)11°C (51°F)11°C (52°F)11°C (52°F)
Wind
Speed11km/h (7mph)11km/h (7mph)9km/h (6mph)8km/h (5mph)2km/h (1mph)4km/h (3mph)12km/h (7mph)18km/h (11mph)
Gusts16km/h (10mph)16km/h (10mph)13km/h (8mph)10km/h (6mph)2km/h (1mph)6km/h (4mph)19km/h (12mph)29km/h (18mph)
Direction
N
20°
NNE
10°
N
36°
NE
77°
ENE
135°
SE
75°
ENE
65°
ENE
Wind chill16°C (61°F)16°C (60°F)16°C (60°F)16°C (62°F)19°C (66°F)19°C (65°F)17°C (63°F)18°C (64°F)
Waves
Height0.7m (2.5ft)0.5m (1.8ft)0.4m (1.4ft)0.4m (1.2ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (1.1ft)0.5m (1.6ft)
Direction 99°
E
99°
E
99°
E
101°
E
101°
ESE
100°
E
101°
E
96°
E
Period5.9 sec.5.6 sec.5.4 sec.5.3 sec.5.2 sec.5.3 sec.5.0 sec.5.0 sec.
Significant height1.2m (3.9ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:20 and will set at 17:13 on the beach(es) of Halong Bay. The outside temperature will be a high of 67°F t and a low of 63°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 19.3mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature18°C (64°F)17°C (63°F)17°C (63°F)19°C (65°F)19°C (67°F)19°C (65°F)18°C (64°F)18°C (65°F)
Perceived temperature18°C (64°F)17°C (63°F)17°C (63°F)19°C (65°F)19°C (67°F)19°C (65°F)18°C (64°F)18°C (65°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%67%68%66%67%75%79%80%
Barometric pressure1021 hPa1020 hPa1020 hPa1022 hPa1019 hPa1017 hPa1018 hPa1019 hPa
Cloud cover46%99%56%92%98%100%79%82%
Heat index18°C (64°F)17°C (63°F)17°C (63°F)19°C (65°F)19°C (67°F)19°C (65°F)18°C (64°F)18°C (65°F)
Dew point11°C (52°F)11°C (52°F)11°C (52°F)12°C (54°F)13°C (55°F)14°C (57°F)14°C (58°F)15°C (58°F)
Wind
Speed18km/h (11mph)15km/h (10mph)16km/h (10mph)16km/h (10mph)15km/h (9mph)20km/h (13mph)21km/h (13mph)19km/h (12mph)
Gusts26km/h (16mph)23km/h (14mph)23km/h (15mph)21km/h (13mph)19km/h (12mph)28km/h (17mph)31km/h (19mph)28km/h (18mph)
Direction 54°
NE
50°
NE
54°
NE
62°
ENE
60°
ENE
73°
ENE
72°
ENE
64°
ENE
Wind chill18°C (64°F)17°C (63°F)17°C (63°F)19°C (65°F)19°C (67°F)19°C (65°F)18°C (64°F)18°C (65°F)
Waves
Height0.5m (1.8ft)0.5m (1.5ft)0.4m (1.4ft)0.5m (1.5ft)0.5m (1.5ft)0.5m (1.8ft)0.5m (1.8ft)0.5m (1.7ft)
Direction 96°
E
98°
E
102°
ESE
119°
ESE
115°
ESE
80°
E
92°
E
117°
ESE
Period5.0 sec.5.0 sec.5.7 sec.5.6 sec.5.6 sec.5.6 sec.5.6 sec.5.6 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:21 and will set at 17:14 on the beach(es) of Halong Bay. 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 13.1mph km/h (with gusts up to 19.3mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature18°C (65°F)18°C (65°F)19°C (65°F)20°C (68°F)20°C (68°F)19°C (67°F)19°C (66°F)19°C (67°F)
Perceived temperature18°C (65°F)18°C (65°F)19°C (65°F)20°C (68°F)20°C (68°F)19°C (67°F)19°C (66°F)19°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%83%87%86%87%89%89%86%
Barometric pressure1019 hPa1017 hPa1017 hPa1019 hPa1017 hPa1015 hPa1017 hPa1019 hPa
Cloud cover100%100%79%100%100%100%100%84%
Heat index18°C (65°F)18°C (65°F)19°C (65°F)20°C (68°F)20°C (68°F)19°C (67°F)19°C (66°F)19°C (67°F)
Dew point15°C (59°F)15°C (60°F)16°C (62°F)18°C (64°F)18°C (64°F)17°C (63°F)17°C (63°F)17°C (63°F)
Wind
Speed15km/h (9mph)18km/h (11mph)20km/h (13mph)21km/h (13mph)20km/h (13mph)19km/h (12mph)21km/h (13mph)20km/h (12mph)
Gusts22km/h (14mph)25km/h (16mph)30km/h (19mph)27km/h (17mph)27km/h (17mph)27km/h (17mph)31km/h (19mph)30km/h (18mph)
Direction 55°
NE
53°
NE
57°
ENE
54°
NE
54°
NE
52°
NE
57°
ENE
55°
NE
Wind chill18°C (65°F)18°C (65°F)19°C (65°F)20°C (68°F)20°C (68°F)19°C (67°F)19°C (66°F)19°C (67°F)
Waves
Height0.5m (1.6ft)0.5m (1.7ft)0.6m (2.1ft)0.7m (2.2ft)0.6m (2.1ft)0.7m (2.4ft)0.7m (2.3ft)0.7m (2.4ft)
Direction 116°
ESE
78°
ENE
77°
ENE
74°
ENE
75°
ENE
72°
ENE
79°
E
85°
E
Period5.6 sec.5.6 sec.5.4 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:22 and will set at 17:14 on the beach(es) of Halong Bay. The outside temperature will be a high of 70°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 12.4mph km/h (with gusts up to 18.6mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (67°F)20°C (67°F)19°C (67°F)20°C (68°F)21°C (69°F)20°C (68°F)19°C (67°F)19°C (67°F)
Perceived temperature20°C (67°F)20°C (67°F)19°C (67°F)20°C (68°F)21°C (69°F)20°C (68°F)19°C (67°F)19°C (67°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%85%84%81%77%83%83%82%
Barometric pressure1019 hPa1018 hPa1019 hPa1021 hPa1019 hPa1018 hPa1019 hPa1021 hPa
Cloud cover94%100%100%94%78%79%87%78%
Heat index20°C (67°F)20°C (67°F)19°C (67°F)20°C (68°F)21°C (69°F)20°C (68°F)19°C (67°F)19°C (67°F)
Dew point17°C (63°F)17°C (63°F)17°C (62°F)17°C (62°F)16°C (62°F)17°C (63°F)16°C (61°F)16°C (61°F)
Wind
Speed20km/h (12mph)20km/h (13mph)18km/h (11mph)13km/h (8mph)5km/h (3mph)6km/h (4mph)7km/h (4mph)8km/h (5mph)
Gusts29km/h (18mph)30km/h (18mph)26km/h (16mph)18km/h (11mph)7km/h (4mph)9km/h (6mph)12km/h (7mph)13km/h (8mph)
Direction 52°
NE
56°
NE
54°
NE
38°
NE
356°
N
332°
NNW

N
355°
N
Wind chill20°C (67°F)20°C (67°F)19°C (67°F)20°C (68°F)21°C (69°F)20°C (68°F)19°C (67°F)19°C (67°F)
Waves
Height0.7m (2.4ft)0.8m (2.7ft)0.8m (2.6ft)0.8m (2.5ft)0.7m (2.5ft)0.6m (1.8ft)0.4m (1.3ft)0.3m (1.0ft)
Direction 81°
E
83°
E
78°
ENE
83°
E
98°
E
103°
ESE
102°
ESE
100°
E
Period5.3 sec.5.3 sec.5.3 sec.5.3 sec.5.3 sec.4.9 sec.5.0 sec.5.0 sec.
Significant height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 06:22 and will set at 17:14 on the beach(es) of Halong Bay. The outside temperature will be a high of 70°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 9.9mph km/h (with gusts up to 17.4mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (66°F)18°C (65°F)18°C (65°F)20°C (69°F)21°C (70°F)20°C (69°F)19°C (66°F)19°C (65°F)
Perceived temperature19°C (66°F)18°C (65°F)18°C (65°F)20°C (69°F)21°C (70°F)20°C (69°F)19°C (66°F)19°C (65°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%85%85%74%66%67%74%76%
Barometric pressure1020 hPa1019 hPa1020 hPa1022 hPa1019 hPa1017 hPa1017 hPa1018 hPa
Cloud cover64%66%59%89%84%28%22%19%
Heat index19°C (66°F)18°C (65°F)18°C (65°F)20°C (69°F)21°C (70°F)20°C (69°F)19°C (66°F)19°C (65°F)
Dew point16°C (61°F)16°C (61°F)16°C (60°F)16°C (60°F)15°C (58°F)14°C (57°F)14°C (57°F)14°C (58°F)
Wind
Speed9km/h (6mph)8km/h (5mph)4km/h (2mph)4km/h (2mph)8km/h (5mph)13km/h (8mph)16km/h (10mph)12km/h (7mph)
Gusts14km/h (9mph)13km/h (8mph)6km/h (4mph)5km/h (3mph)10km/h (6mph)19km/h (12mph)28km/h (17mph)21km/h (13mph)
Direction 338°
NNW
328°
NNW

N
24°
NNE
97°
E
84°
E
79°
ENE
54°
NE
Wind chill19°C (66°F)18°C (65°F)18°C (65°F)20°C (69°F)21°C (70°F)20°C (69°F)19°C (66°F)19°C (65°F)
Waves
Height0.3m (0.9ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.7ft)0.2m (0.8ft)0.3m (1.0ft)0.4m (1.3ft)0.4m (1.3ft)
Direction 96°
E
98°
E
100°
E
106°
ESE
108°
ESE
108°
ESE
101°
E
100°
E
Period4.6 sec.4.3 sec.4.0 sec.4.2 sec.5.2 sec.8.3 sec.9.4 sec.6.8 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 06:23 and will set at 17:15 on the beach(es) of Halong Bay. The outside temperature will be a high of 70°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 8.7mph km/h (with gusts up to 13.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (65°F)18°C (64°F)18°C (64°F)20°C (68°F)21°C (69°F)20°C (68°F)19°C (65°F)19°C (65°F)
Perceived temperature19°C (65°F)18°C (64°F)18°C (64°F)20°C (68°F)21°C (69°F)20°C (68°F)19°C (65°F)19°C (65°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%79%80%77%76%77%82%81%
Barometric pressure1017 hPa1016 hPa1017 hPa1017 hPa1015 hPa1013 hPa1014 hPa1014 hPa
Cloud cover44%67%64%51%61%33%11%10%
Heat index19°C (65°F)18°C (64°F)18°C (64°F)20°C (68°F)21°C (69°F)20°C (68°F)19°C (65°F)19°C (65°F)
Dew point14°C (58°F)14°C (58°F)15°C (58°F)16°C (60°F)16°C (62°F)16°C (61°F)15°C (60°F)15°C (59°F)
Wind
Speed10km/h (6mph)9km/h (6mph)11km/h (7mph)14km/h (9mph)14km/h (9mph)14km/h (9mph)13km/h (8mph)12km/h (7mph)
Gusts17km/h (10mph)15km/h (9mph)18km/h (11mph)18km/h (11mph)18km/h (11mph)21km/h (13mph)22km/h (14mph)21km/h (13mph)
Direction 43°
NE
44°
NE
49°
NE
67°
ENE
84°
E
93°
E
81°
E
69°
ENE
Wind chill19°C (65°F)18°C (64°F)18°C (64°F)20°C (68°F)21°C (69°F)20°C (68°F)19°C (65°F)19°C (65°F)
Waves
Height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
Direction 97°
E
102°
ESE
109°
ESE
111°
ESE
115°
ESE
116°
ESE
117°
ESE
117°
ESE
Period5.2 sec.5.2 sec.5.2 sec.8.8 sec.10.3 sec.10.0 sec.10.0 sec.10.0 sec.
Significant height0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 06:23 and will set at 17:15 on the beach(es) of Halong Bay. The outside temperature will be a high of 70°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 8.7mph km/h (with gusts up to 14.3mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature19°C (66°F)19°C (65°F)19°C (65°F)20°C (67°F)21°C (69°F)21°C (70°F)20°C (68°F)20°C (68°F)
Perceived temperature19°C (66°F)19°C (65°F)19°C (65°F)20°C (67°F)21°C (69°F)21°C (70°F)20°C (68°F)20°C (68°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%81%82%81%80%80%84%85%
Barometric pressure1014 hPa1014 hPa1014 hPa1015 hPa1014 hPa1012 hPa1013 hPa1015 hPa
Cloud cover13%32%80%99%91%52%34%51%
Heat index19°C (66°F)19°C (65°F)19°C (65°F)20°C (67°F)21°C (69°F)21°C (70°F)20°C (68°F)20°C (68°F)
Dew point15°C (59°F)15°C (59°F)16°C (60°F)16°C (61°F)17°C (63°F)17°C (63°F)17°C (63°F)17°C (63°F)
Wind
Speed12km/h (7mph)11km/h (7mph)10km/h (6mph)11km/h (7mph)12km/h (8mph)14km/h (9mph)13km/h (8mph)10km/h (6mph)
Gusts19km/h (12mph)18km/h (11mph)17km/h (11mph)16km/h (10mph)17km/h (11mph)21km/h (13mph)23km/h (14mph)19km/h (12mph)
Direction 62°
ENE
57°
ENE
51°
NE
53°
NE
59°
ENE
68°
ENE
65°
ENE
54°
NE
Wind chill19°C (66°F)19°C (65°F)19°C (65°F)20°C (67°F)21°C (69°F)21°C (70°F)20°C (68°F)20°C (68°F)
Waves
Height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2.0ft)0.6m (2.0ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)
Direction 92°
E
96°
E
119°
ESE
96°
E
87°
E
113°
ESE
126°
SE
91°
E
Period10.0 sec.5.9 sec.3.9 sec.3.9 sec.3.9 sec.3.9 sec.5.3 sec.5.6 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units