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
Saturday 18 July 202681°F to 85°Frecommended
Sunday 19 July 202676°F to 83°Frecommended
Monday 20 July 202679°F to 85°Frecommended
Tuesday 21 July 202681°F to 85°Frecommended
Wednesday 22 July 202681°F to 85°Frecommended
Thursday 23 July 202681°F to 85°Frecommended
Friday 24 July 202681°F to 85°Frecommended

Sea Weather: Your daily and hourly sea weather in Batam

Sea weather on Saturday 18 July 2026

On Saturday 18 July 2026, the sun will rise at 06:05 and will set at 18:16 on the beach(es) of Batam. The outside temperature will be a high of 85°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 10.6mph km/h (with gusts up to 16.2mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (82°F)29°C (84°F)28°C (83°F)28°C (82°F)
Perceived temperature32°C (89°F)32°C (89°F)31°C (88°F)33°C (91°F)32°C (89°F)33°C (91°F)32°C (89°F)32°C (89°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%81%79%75%75%70%75%76%
Barometric pressure1011 hPa1010 hPa1010 hPa1012 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover21%25%29%28%43%31%33%20%
Heat index32°C (89°F)32°C (89°F)31°C (88°F)33°C (91°F)32°C (89°F)33°C (91°F)32°C (89°F)32°C (89°F)
Dew point24°C (76°F)24°C (75°F)24°C (74°F)24°C (75°F)23°C (74°F)23°C (73°F)23°C (74°F)23°C (74°F)
Wind
Speed13km/h (8mph)13km/h (8mph)15km/h (9mph)13km/h (8mph)17km/h (10mph)17km/h (11mph)16km/h (10mph)10km/h (6mph)
Gusts20km/h (12mph)20km/h (12mph)26km/h (16mph)17km/h (10mph)26km/h (16mph)23km/h (15mph)23km/h (14mph)16km/h (10mph)
Direction 112°
ESE
127°
SE
141°
SE
165°
SSE
169°
SSE
162°
SSE
151°
SSE
122°
ESE
Wind chill28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (82°F)29°C (84°F)28°C (83°F)28°C (82°F)
Waves
Height0.2m (0.6ft)0.2m (0.6ft)0.2m (0.6ft)0.2m (0.8ft)0.4m (1.2ft)0.5m (1.6ft)0.4m (1.3ft)0.2m (0.8ft)
Direction 156°
SSE
144°
SE
137°
SE
148°
SSE
158°
SSE
163°
SSE
163°
SSE
154°
SSE
Period1.7 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.3.4 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)0.3m (1ft)
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 06:05 and will set at 18:16 on the beach(es) of Batam. The outside temperature will be a high of 83°F t and a low of 76°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 16.8mph). 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 (81°F)27°C (80°F)28°C (83°F)24°C (76°F)26°C (79°F)27°C (81°F)28°C (82°F)
Perceived temperature31°C (88°F)30°C (86°F)30°C (85°F)32°C (89°F)26°C (79°F)28°C (82°F)29°C (85°F)31°C (88°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%78%79%73%72%69%70%70%
Barometric pressure1011 hPa1010 hPa1011 hPa1013 hPa1012 hPa1009 hPa1010 hPa1012 hPa
Cloud cover13%10%16%26%10%8%10%7%
Heat index31°C (88°F)30°C (86°F)30°C (85°F)32°C (89°F)26°C (79°F)28°C (82°F)29°C (85°F)31°C (88°F)
Dew point23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)19°C (66°F)20°C (68°F)21°C (70°F)22°C (72°F)
Wind
Speed7km/h (4mph)3km/h (2mph)4km/h (2mph)11km/h (7mph)13km/h (8mph)8km/h (5mph)9km/h (5mph)8km/h (5mph)
Gusts11km/h (7mph)4km/h (2mph)6km/h (4mph)15km/h (9mph)27km/h (17mph)16km/h (10mph)14km/h (9mph)13km/h (8mph)
Direction 98°
E
134°
SE
166°
SSE
215°
SW
230°
SW
199°
SSW
170°
S
157°
SSE
Wind chill27°C (81°F)27°C (81°F)27°C (80°F)28°C (83°F)24°C (76°F)26°C (79°F)27°C (81°F)28°C (82°F)
Waves
Height0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)0.1m (0.5ft)0.1m (0.5ft)0.1m (0.4ft)0.2m (0.5ft)0.3m (1.0ft)
Direction 155°
SSE
136°
SE
125°
SE
153°
SSE
178°
S
177°
S
160°
SSE
196°
SSW
Period3.4 sec.3.3 sec.3.2 sec.3.2 sec.3.2 sec.3.2 sec.3.2 sec.2.7 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 06:06 and will set at 18:16 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 6.8mph km/h (with gusts up to 11.2mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)28°C (82°F)27°C (80°F)28°C (83°F)28°C (82°F)28°C (83°F)27°C (81°F)28°C (82°F)
Perceived temperature31°C (88°F)31°C (87°F)29°C (85°F)31°C (88°F)30°C (87°F)31°C (88°F)30°C (86°F)31°C (88°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%73%77%69%66%66%71%73%
Barometric pressure1012 hPa1010 hPa1012 hPa1013 hPa1012 hPa1010 hPa1010 hPa1013 hPa
Cloud cover11%16%20%33%21%18%13%17%
Heat index31°C (88°F)31°C (87°F)29°C (85°F)31°C (88°F)30°C (87°F)31°C (88°F)30°C (86°F)31°C (88°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)22°C (71°F)21°C (70°F)21°C (70°F)22°C (71°F)23°C (73°F)
Wind
Speed6km/h (4mph)9km/h (5mph)7km/h (4mph)9km/h (5mph)9km/h (6mph)9km/h (5mph)11km/h (7mph)10km/h (6mph)
Gusts10km/h (6mph)13km/h (8mph)11km/h (7mph)11km/h (7mph)13km/h (8mph)12km/h (8mph)18km/h (11mph)16km/h (10mph)
Direction 170°
S
184°
S
204°
SSW
208°
SSW
219°
SW
196°
SSW
164°
SSE
151°
SSE
Wind chill28°C (82°F)28°C (82°F)27°C (80°F)28°C (83°F)28°C (82°F)28°C (83°F)27°C (81°F)28°C (82°F)
Waves
Height0.3m (1.0ft)0.5m (1.6ft)0.3m (0.9ft)0.3m (1.1ft)0.4m (1.4ft)0.4m (1.5ft)0.4m (1.2ft)0.3m (0.9ft)
Direction 173°
S
170°
S
175°
S
238°
WSW
299°
WNW
301°
WNW
302°
WNW
231°
SW
Period3.0 sec.3.0 sec.3.0 sec.3.0 sec.3.0 sec.3.2 sec.3.2 sec.2.2 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)
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 Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 06:06 and will set at 18:16 on the beach(es) of Batam. The outside temperature will be a high of 85°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 8.1mph 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 temperature28°C (82°F)27°C (81°F)27°C (81°F)28°C (83°F)28°C (82°F)29°C (83°F)28°C (83°F)28°C (82°F)
Perceived temperature31°C (88°F)30°C (86°F)30°C (86°F)31°C (89°F)30°C (87°F)31°C (89°F)31°C (88°F)30°C (87°F)
Precipitation0in0in0in0.1in0.1in0in0in0in
Humidity74%80%77%72%72%66%70%71%
Barometric pressure1012 hPa1011 hPa1012 hPa1013 hPa1012 hPa1010 hPa1011 hPa1013 hPa
Cloud cover23%29%45%32%55%47%42%24%
Heat index31°C (88°F)30°C (86°F)30°C (86°F)31°C (89°F)30°C (87°F)31°C (89°F)31°C (88°F)30°C (87°F)
Dew point23°C (73°F)23°C (74°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (71°F)22°C (72°F)22°C (71°F)
Wind
Speed10km/h (6mph)10km/h (6mph)12km/h (7mph)12km/h (7mph)10km/h (6mph)13km/h (8mph)11km/h (7mph)6km/h (4mph)
Gusts14km/h (9mph)17km/h (11mph)22km/h (14mph)17km/h (10mph)18km/h (11mph)18km/h (11mph)16km/h (10mph)10km/h (6mph)
Direction 145°
SE
126°
SE
131°
SE
174°
S
178°
S
164°
SSE
151°
SSE
139°
SE
Wind chill28°C (82°F)27°C (81°F)27°C (81°F)28°C (83°F)28°C (82°F)29°C (83°F)28°C (83°F)28°C (82°F)
Waves
Height0.3m (1.1ft)0.2m (0.6ft)0.1m (0.4ft)0.1m (0.4ft)0.1m (0.4ft)0.3m (1.1ft)0.3m (1.1ft)0.3m (0.9ft)
Direction 267°
W
230°
SW
159°
SSE
168°
SSE
178°
S
178°
S
163°
SSE
159°
SSE
Period2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.0.1 sec.
Significant height0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)
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 Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 06:06 and will set at 18:16 on the beach(es) of Batam. The outside temperature will be a high of 85°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 9.3mph km/h (with gusts up to 13.1mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)27°C (81°F)27°C (81°F)28°C (83°F)28°C (82°F)28°C (83°F)28°C (82°F)28°C (82°F)
Perceived temperature30°C (87°F)30°C (85°F)30°C (86°F)32°C (89°F)30°C (87°F)31°C (88°F)31°C (88°F)31°C (88°F)
Precipitation0in0.1in0in0in0.1in0in0in0in
Humidity72%75%73%70%74%67%73%74%
Barometric pressure1012 hPa1011 hPa1011 hPa1013 hPa1012 hPa1010 hPa1011 hPa1012 hPa
Cloud cover31%47%47%25%56%32%26%34%
Heat index30°C (87°F)30°C (85°F)30°C (86°F)32°C (89°F)30°C (87°F)31°C (88°F)31°C (88°F)31°C (88°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (71°F)23°C (73°F)23°C (73°F)
Wind
Speed6km/h (4mph)6km/h (4mph)9km/h (6mph)10km/h (6mph)11km/h (7mph)12km/h (7mph)15km/h (9mph)12km/h (8mph)
Gusts9km/h (5mph)10km/h (6mph)14km/h (9mph)13km/h (8mph)16km/h (10mph)16km/h (10mph)21km/h (13mph)18km/h (11mph)
Direction 210°
SSW
176°
S
175°
S
201°
SSW
214°
SSW
170°
S
158°
SSE
165°
SSE
Wind chill28°C (82°F)27°C (81°F)27°C (81°F)28°C (83°F)28°C (82°F)28°C (83°F)28°C (82°F)28°C (82°F)
Waves
Height0.2m (0.8ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)0.1m (0.5ft)0.2m (0.8ft)0.3m (1.1ft)0.3m (1.0ft)
Direction 148°
SSE
148°
SSE
155°
SSE
151°
SSE
164°
SSE
169°
SSE
157°
SSE
156°
SSE
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)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)30°C (85°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 06:06 and will set at 18:16 on the beach(es) of Batam. 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 11.8mph km/h (with gusts up to 16.8mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)27°C (81°F)27°C (81°F)28°C (83°F)29°C (83°F)28°C (83°F)28°C (82°F)27°C (81°F)
Perceived temperature31°C (88°F)31°C (87°F)30°C (86°F)32°C (89°F)32°C (89°F)32°C (89°F)31°C (88°F)31°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%75%76%71%69%72%75%78%
Barometric pressure1012 hPa1010 hPa1011 hPa1012 hPa1011 hPa1009 hPa1009 hPa1011 hPa
Cloud cover37%48%34%25%38%35%31%29%
Heat index31°C (88°F)31°C (87°F)30°C (86°F)32°C (89°F)32°C (89°F)32°C (89°F)31°C (88°F)31°C (87°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)23°C (73°F)23°C (74°F)23°C (74°F)
Wind
Speed12km/h (7mph)10km/h (6mph)12km/h (7mph)16km/h (10mph)19km/h (12mph)19km/h (12mph)17km/h (11mph)13km/h (8mph)
Gusts17km/h (11mph)17km/h (11mph)22km/h (14mph)23km/h (14mph)25km/h (16mph)27km/h (17mph)24km/h (15mph)19km/h (12mph)
Direction 170°
S
179°
S
178°
S
172°
S
173°
S
168°
SSE
154°
SSE
137°
SE
Wind chill28°C (82°F)27°C (81°F)27°C (81°F)28°C (83°F)29°C (83°F)28°C (83°F)28°C (82°F)27°C (81°F)
Waves
Height0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1.0ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)
Direction 159°
SSE
158°
SSE
153°
SSE
158°
SSE
161°
SSE
157°
SSE
153°
SSE
153°
SSE
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 06:06 and will set at 18:16 on the beach(es) of Batam. The outside temperature will be a high of 85°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 10.6mph km/h (with gusts up to 15.5mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)27°C (81°F)28°C (82°F)28°C (83°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)
Perceived temperature30°C (87°F)31°C (87°F)31°C (87°F)32°C (89°F)31°C (88°F)31°C (88°F)31°C (87°F)31°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%78%76%71%72%72%73%76%
Barometric pressure1010 hPa1009 hPa1009 hPa1010 hPa1009 hPa1008 hPa1008 hPa1010 hPa
Cloud cover31%68%53%27%25%25%18%14%
Heat index30°C (87°F)31°C (87°F)31°C (87°F)32°C (89°F)31°C (88°F)31°C (88°F)31°C (87°F)31°C (87°F)
Dew point23°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)23°C (73°F)
Wind
Speed13km/h (8mph)15km/h (9mph)15km/h (9mph)15km/h (9mph)17km/h (11mph)16km/h (10mph)13km/h (8mph)13km/h (8mph)
Gusts19km/h (12mph)22km/h (13mph)25km/h (16mph)22km/h (14mph)24km/h (15mph)23km/h (14mph)19km/h (12mph)19km/h (12mph)
Direction 118°
ESE
120°
ESE
138°
SE
160°
SSE
174°
S
175°
S
166°
SSE
140°
SE
Wind chill27°C (81°F)27°C (81°F)28°C (82°F)28°C (83°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)
Waves
Height0.3m (1.0ft)0.3m (1.0ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1.0ft)0.3m (1.0ft)0.2m (0.7ft)
Direction 155°
SSE
139°
SE
139°
SE
145°
SE
151°
SSE
155°
SSE
153°
SSE
152°
SSE
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)30°C (85°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units