Sea weather in Batam on the island of Sumatra All the beach weather in Batam

All the essential weather information for enjoying the beach in Batam on the island of Sumatra, 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 Batam over the next 7 days?

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

Date Outside temp. Our opinion
Friday 5 December 202577°F to 85°Frecommended
Saturday 6 December 202579°F to 85°Frecommended
Sunday 7 December 202579°F to 83°Fdiscouraged
Monday 8 December 202579°F to 85°Fdiscouraged
Tuesday 9 December 202579°F to 83°Frecommended
Wednesday 10 December 202579°F to 85°Fdiscouraged
Thursday 11 December 202579°F to 83°Frecommended

Sea Weather: Your daily and hourly sea weather in Batam

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 05:53 and will set at 17:57 on the beach(es) of Batam. The outside temperature will be a high of 85°F t and a low of 77°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 8.7mph km/h (with gusts up to 13.7mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)27°C (80°F)28°C (83°F)25°C (77°F)28°C (83°F)28°C (82°F)27°C (81°F)
Perceived temperature29°C (84°F)29°C (83°F)29°C (84°F)31°C (88°F)26°C (79°F)31°C (88°F)31°C (88°F)31°C (87°F)
Precipitation0in0.1in0in0in0in0in0in0.1in
Humidity82%82%75%69%68%66%72%79%
Barometric pressure1012 hPa1010 hPa1012 hPa1013 hPa1011 hPa1008 hPa1009 hPa1012 hPa
Cloud cover72%87%31%21%12%21%32%71%
Heat index29°C (84°F)29°C (83°F)29°C (84°F)31°C (88°F)26°C (79°F)31°C (88°F)31°C (88°F)31°C (87°F)
Dew point23°C (73°F)23°C (73°F)22°C (71°F)22°C (71°F)18°C (65°F)21°C (70°F)22°C (72°F)23°C (74°F)
Wind
Speed5km/h (3mph)2km/h (1mph)2km/h (1mph)3km/h (2mph)10km/h (6mph)7km/h (4mph)9km/h (5mph)14km/h (9mph)
Gusts7km/h (4mph)3km/h (2mph)4km/h (2mph)3km/h (2mph)22km/h (14mph)10km/h (6mph)13km/h (8mph)21km/h (13mph)
Direction 54°
NE
323°
NW
208°
SSW
350°
N
313°
NW
272°
W
21°
NNE
20°
NNE
Wind chill26°C (79°F)26°C (79°F)27°C (80°F)28°C (83°F)25°C (77°F)28°C (83°F)28°C (82°F)27°C (81°F)
Waves
Height0.2m (0.7ft)0.1m (0.4ft)0.1m (0.4ft)0.3m (0.9ft)0.3m (0.8ft)0.2m (0.6ft)0.1m (0.5ft)0.2m (0.6ft)
Direction 302°
WNW
6767°
2258°
754°
488°
6829°
2322°
36°
NE
Period2.2 sec.2.2 sec.2.2 sec.1.9 sec.1.7 sec.0.8 sec.1.1 sec.2.4 sec.
Significant height0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)
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 Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 05:53 and will set at 17:57 on the beach(es) of Batam. The outside temperature will be a high of 85°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 11.2mph km/h (with gusts up to 18mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)27°C (80°F)27°C (80°F)27°C (81°F)29°C (83°F)28°C (82°F)26°C (79°F)26°C (78°F)
Perceived temperature30°C (86°F)29°C (85°F)29°C (85°F)31°C (87°F)31°C (88°F)30°C (87°F)29°C (84°F)29°C (84°F)
Precipitation0in0in0in0in0in0.1in0.1in0in
Humidity80%81%80%76%64%71%81%86%
Barometric pressure1011 hPa1010 hPa1011 hPa1013 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover87%73%72%52%55%87%77%75%
Heat index30°C (86°F)29°C (85°F)29°C (85°F)31°C (87°F)31°C (88°F)30°C (87°F)29°C (84°F)29°C (84°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)21°C (70°F)22°C (71°F)23°C (73°F)23°C (74°F)
Wind
Speed16km/h (10mph)18km/h (11mph)17km/h (11mph)14km/h (9mph)12km/h (7mph)9km/h (6mph)6km/h (4mph)18km/h (11mph)
Gusts29km/h (18mph)27km/h (17mph)25km/h (15mph)19km/h (12mph)18km/h (11mph)13km/h (8mph)11km/h (7mph)25km/h (16mph)
Direction 27°
NNE
12°
NNE

N
359°
N
348°
NNW
301°
WNW
17°
NNE
12°
NNE
Wind chill27°C (81°F)27°C (80°F)27°C (80°F)27°C (81°F)29°C (83°F)28°C (82°F)26°C (79°F)26°C (78°F)
Waves
Height0.2m (0.6ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.6ft)0.1m (0.4ft)0.2m (0.5ft)0.1m (0.4ft)0.3m (0.8ft)
Direction 29°
NNE
23°
NNE
14°
NNE
239°
WSW
319°
NW
337°
NNW
333°
NNW
2769°
Period2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.2 sec.2.1 sec.2.1 sec.2.6 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.6m (2ft)
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 Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 05:54 and will set at 17:58 on the beach(es) of Batam. 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 14.9mph km/h (with gusts up to 20.5mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)26°C (79°F)26°C (78°F)26°C (79°F)28°C (82°F)26°C (79°F)27°C (80°F)26°C (79°F)
Perceived temperature29°C (84°F)29°C (84°F)29°C (83°F)29°C (85°F)31°C (88°F)29°C (84°F)29°C (85°F)29°C (85°F)
Precipitation0in0in0in0in0in0.1in0in0in
Humidity86%85%86%82%71%81%80%81%
Barometric pressure1011 hPa1010 hPa1011 hPa1013 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover83%44%77%70%75%75%83%50%
Heat index29°C (84°F)29°C (84°F)29°C (83°F)29°C (85°F)31°C (88°F)29°C (84°F)29°C (85°F)29°C (85°F)
Dew point23°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)
Wind
Speed19km/h (12mph)24km/h (15mph)23km/h (14mph)19km/h (12mph)16km/h (10mph)16km/h (10mph)19km/h (12mph)19km/h (12mph)
Gusts27km/h (17mph)33km/h (20mph)31km/h (19mph)25km/h (16mph)24km/h (15mph)27km/h (17mph)23km/h (14mph)28km/h (17mph)
Direction
N

N
359°
N
358°
N
327°
NNW
335°
NNW
11°
N
20°
NNE
Wind chill26°C (78°F)26°C (79°F)26°C (78°F)26°C (79°F)28°C (82°F)26°C (79°F)27°C (80°F)26°C (79°F)
Waves
Height0.4m (1.2ft)0.4m (1.4ft)0.5m (1.5ft)0.4m (1.3ft)0.3m (1.1ft)0.2m (0.8ft)0.2m (0.7ft)0.3m (1.0ft)
Direction 924°
543°
416°
369°
356°
N
345°
NNW
352°
N

N
Period2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.4 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.5m (1.6ft)
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 Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 05:54 and will set at 17:58 on the beach(es) of Batam. The outside temperature will be a high of 85°F t and a low of 79°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 22.4mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (80°F)26°C (80°F)27°C (81°F)28°C (83°F)29°C (85°F)28°C (82°F)27°C (81°F)
Perceived temperature29°C (85°F)29°C (85°F)29°C (85°F)31°C (87°F)31°C (88°F)33°C (91°F)31°C (87°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%81%83%78%68%65%70%71%
Barometric pressure1011 hPa1009 hPa1010 hPa1012 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover54%100%86%53%61%85%55%66%
Heat index29°C (85°F)29°C (85°F)29°C (85°F)31°C (87°F)31°C (88°F)33°C (91°F)31°C (87°F)30°C (86°F)
Dew point23°C (73°F)23°C (73°F)23°C (74°F)23°C (74°F)22°C (71°F)22°C (72°F)22°C (72°F)22°C (71°F)
Wind
Speed18km/h (11mph)21km/h (13mph)22km/h (14mph)21km/h (13mph)24km/h (15mph)22km/h (14mph)26km/h (16mph)23km/h (14mph)
Gusts26km/h (16mph)30km/h (19mph)31km/h (19mph)28km/h (17mph)33km/h (21mph)31km/h (19mph)36km/h (23mph)33km/h (20mph)
Direction 360°
N
353°
N

N
359°
N
359°
N
356°
N
10°
N
16°
NNE
Wind chill27°C (80°F)26°C (80°F)26°C (80°F)27°C (81°F)28°C (83°F)29°C (85°F)28°C (82°F)27°C (81°F)
Waves
Height0.3m (1.0ft)0.4m (1.2ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (0.9ft)0.2m (0.6ft)0.2m (0.7ft)0.4m (1.4ft)
Direction
N

N

N
231°
SW
317°
NW
340°
NNW
124°
SE
23°
NNE
Period2.4 sec.2.4 sec.2.4 sec.2.9 sec.3.1 sec.3.1 sec.3.2 sec.3.3 sec.
Significant height0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.4m (1.3ft)0.3m (1ft)0.4m (1.3ft)0.7m (2.3ft)
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 Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 05:55 and will set at 17:59 on the beach(es) of Batam. The outside temperature will be a high of 83°F t and a low of 79°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 19.3mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)27°C (80°F)26°C (79°F)27°C (81°F)28°C (83°F)28°C (82°F)28°C (82°F)27°C (81°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (84°F)30°C (86°F)31°C (87°F)31°C (87°F)30°C (87°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%77%78%74%67%71%72%74%
Barometric pressure1011 hPa1009 hPa1010 hPa1012 hPa1010 hPa1008 hPa1008 hPa1010 hPa
Cloud cover100%81%86%56%73%76%65%87%
Heat index29°C (85°F)29°C (84°F)29°C (84°F)30°C (86°F)31°C (87°F)31°C (87°F)30°C (87°F)30°C (85°F)
Dew point22°C (71°F)22°C (72°F)22°C (72°F)22°C (72°F)21°C (70°F)22°C (72°F)22°C (72°F)22°C (72°F)
Wind
Speed20km/h (12mph)18km/h (11mph)14km/h (9mph)14km/h (9mph)17km/h (10mph)14km/h (9mph)16km/h (10mph)20km/h (12mph)
Gusts28km/h (17mph)26km/h (16mph)21km/h (13mph)19km/h (12mph)24km/h (15mph)19km/h (12mph)28km/h (17mph)31km/h (19mph)
Direction 12°
NNE

N
357°
N

N
358°
N
356°
N

N
23°
NNE
Wind chill27°C (80°F)27°C (80°F)26°C (79°F)27°C (81°F)28°C (83°F)28°C (82°F)28°C (82°F)27°C (81°F)
Waves
Height0.3m (1.0ft)0.2m (0.8ft)0.2m (0.8ft)0.3m (1.0ft)0.2m (0.8ft)0.2m (0.6ft)0.3m (0.9ft)0.4m (1.3ft)
Direction 21°
NNE
21°
NNE
19°
NNE

N
239°
WSW
319°
NW
124°
SE
21°
NNE
Period3.3 sec.3.3 sec.3.3 sec.3.3 sec.3.3 sec.3.0 sec.2.9 sec.2.8 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.6m (2ft)0.7m (2.3ft)
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 Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 05:55 and will set at 17:59 on the beach(es) of Batam. The outside temperature will be a high of 85°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 13.1mph km/h (with gusts up to 18.6mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (79°F)27°C (80°F)28°C (82°F)28°C (83°F)29°C (83°F)27°C (81°F)27°C (80°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (85°F)30°C (86°F)31°C (87°F)31°C (88°F)30°C (86°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%82%79%71%63%63%76%80%
Barometric pressure1010 hPa1009 hPa1010 hPa1010 hPa1009 hPa1007 hPa1008 hPa1009 hPa
Cloud cover67%58%79%46%33%47%57%54%
Heat index29°C (85°F)29°C (84°F)29°C (85°F)30°C (86°F)31°C (87°F)31°C (88°F)30°C (86°F)30°C (85°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)22°C (71°F)21°C (69°F)21°C (70°F)22°C (72°F)23°C (73°F)
Wind
Speed21km/h (13mph)21km/h (13mph)19km/h (12mph)19km/h (12mph)13km/h (8mph)8km/h (5mph)9km/h (6mph)12km/h (8mph)
Gusts29km/h (18mph)29km/h (18mph)30km/h (18mph)26km/h (16mph)17km/h (11mph)11km/h (7mph)14km/h (9mph)18km/h (11mph)
Direction 24°
NNE
23°
NNE
13°
NNE
17°
NNE
10°
N
230°
SW
119°
ESE
17°
NNE
Wind chill27°C (80°F)26°C (79°F)27°C (80°F)28°C (82°F)28°C (83°F)29°C (83°F)27°C (81°F)27°C (80°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.3m (1.0ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)0.4m (1.3ft)
Direction 16°
NNE
10°
N

N

N

N
14°
NNE
11°
N
11°
NNE
Period2.8 sec.2.9 sec.3.0 sec.3.0 sec.2.9 sec.2.9 sec.2.9 sec.2.9 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)
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 11 December 2025

On Thursday 11 December 2025, the sun will rise at 05:56 and will set at 18:00 on the beach(es) of Batam. 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 8.7mph km/h (with gusts up to 14.9mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (84°F)30°C (85°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%83%83%78%73%73%76%78%
Barometric pressure1009 hPa1008 hPa1009 hPa1010 hPa1009 hPa1007 hPa1008 hPa1009 hPa
Cloud cover41%79%62%69%76%42%36%40%
Heat index29°C (85°F)29°C (84°F)29°C (84°F)30°C (85°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)
Wind
Speed14km/h (9mph)13km/h (8mph)12km/h (8mph)11km/h (7mph)8km/h (5mph)7km/h (4mph)8km/h (5mph)10km/h (6mph)
Gusts21km/h (13mph)22km/h (14mph)24km/h (15mph)19km/h (12mph)12km/h (8mph)10km/h (6mph)11km/h (7mph)15km/h (9mph)
Direction 29°
NNE
27°
NNE
246°
WSW
337°
NNW
312°
NW
326°
NW
129°
SE
38°
NE
Wind chill26°C (80°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)
Waves
Height0.4m (1.3ft)0.4m (1.3ft)0.3m (1.0ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)
Direction 15°
NNE
16°
NNE
19°
NNE
20°
NNE
17°
NNE
34°
NNE
31°
NNE
26°
NNE
Period2.9 sec.2.9 sec.2.9 sec.2.9 sec.2.6 sec.2.4 sec.2.4 sec.2.4 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)
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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