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

All the essential weather information for enjoying the beach in Dumai 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 Dumai over the next 7 days?

Discover the best moment to go to the beach in Dumai 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 Dumai. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Sunday 5 January 202577°F to 83°Frecommended
Monday 6 January 202577°F to 85°Frecommended
Tuesday 7 January 202576°F to 83°Frecommended
Wednesday 8 January 202576°F to 81°Frecommended
Thursday 9 January 202574°F to 85°Frecommended
Friday 10 January 202574°F to 76°Frecommended
Saturday 11 January 202574°F to 77°Frecommended

Sea Weather: Your daily and hourly sea weather in Dumai

Sea weather on Sunday 5 January 2025

On Sunday 5 January 2025, the sun will rise at 06:18 and will set at 18:20 on the beach(es) of Dumai. The outside temperature will be a high of 83°F t and a low of 77°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 14.9mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)25°C (76°F)27°C (81°F)28°C (82°F)28°C (83°F)27°C (80°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (82°F)27°C (81°F)30°C (86°F)30°C (87°F)31°C (88°F)30°C (86°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity86%87%89%80%71%68%78%83%
Barometric pressure1011 hPa1009 hPa1010 hPa1012 hPa1011 hPa1007 hPa1008 hPa1011 hPa
Cloud cover29%88%37%55%26%16%16%35%
Heat index28°C (83°F)28°C (82°F)27°C (81°F)30°C (86°F)30°C (87°F)31°C (88°F)30°C (86°F)29°C (84°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)22°C (71°F)22°C (71°F)23°C (73°F)23°C (73°F)
Wind
Speed13km/h (8mph)10km/h (6mph)7km/h (4mph)10km/h (6mph)10km/h (6mph)5km/h (3mph)4km/h (2mph)13km/h (8mph)
Gusts24km/h (15mph)17km/h (10mph)12km/h (7mph)13km/h (8mph)14km/h (8mph)8km/h (5mph)6km/h (4mph)24km/h (15mph)
Direction 43°
NE
49°
NE
60°
ENE
57°
ENE
41°
NE
52°
NE
40°
NE
47°
NE
Wind chill25°C (78°F)25°C (77°F)25°C (76°F)27°C (81°F)28°C (82°F)28°C (83°F)27°C (80°F)26°C (79°F)
Waves
Height0.4m (1.4ft)0.4m (1.2ft)0.2m (0.8ft)0.2m (0.5ft)0.1m (0.4ft)0.5m (1.7ft)0.3m (1.1ft)0.6m (1.9ft)
Direction 41°
NE
42°
NE
44°
NE
47°
NE
48°
NE
49°
NE
49°
NE
26°
NNE
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.2.6 sec.2.5 sec.2.5 sec.
Significant height0.9m (3ft)0.6m (2ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)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 on Monday 6 January 2025

On Monday 6 January 2025, the sun will rise at 06:18 and will set at 18:20 on the beach(es) of Dumai. The outside temperature will be a high of 85°F t and a low of 77°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 16.8mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (78°F)26°C (78°F)28°C (82°F)28°C (83°F)29°C (84°F)27°C (80°F)25°C (78°F)
Perceived temperature29°C (83°F)28°C (82°F)28°C (82°F)31°C (87°F)31°C (88°F)32°C (89°F)30°C (85°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%82%81%72%66%64%81%87%
Barometric pressure1011 hPa1009 hPa1010 hPa1012 hPa1011 hPa1007 hPa1009 hPa1011 hPa
Cloud cover21%19%38%50%79%20%79%32%
Heat index29°C (83°F)28°C (82°F)28°C (82°F)31°C (87°F)31°C (88°F)32°C (89°F)30°C (85°F)28°C (82°F)
Dew point23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)21°C (70°F)21°C (71°F)23°C (73°F)23°C (73°F)
Wind
Speed15km/h (10mph)16km/h (10mph)17km/h (11mph)18km/h (11mph)16km/h (10mph)10km/h (6mph)8km/h (5mph)12km/h (7mph)
Gusts25km/h (15mph)26km/h (16mph)27km/h (17mph)22km/h (14mph)21km/h (13mph)14km/h (9mph)14km/h (9mph)21km/h (13mph)
Direction 53°
NE
52°
NE
50°
NE
46°
NE
45°
NE
42°
NE
42°
NE
41°
NE
Wind chill26°C (79°F)26°C (78°F)26°C (78°F)28°C (82°F)28°C (83°F)29°C (84°F)27°C (80°F)25°C (78°F)
Waves
Height0.4m (1.3ft)0.5m (1.5ft)0.4m (1.4ft)0.4m (1.2ft)0.3m (1.0ft)0.2m (0.7ft)0.1m (0.4ft)0.2m (0.7ft)
Direction 46°
NE
43°
NE
42°
NE
48°
NE
46°
NE
45°
NE
47°
NE
42°
NE
Period2.5 sec.2.5 sec.2.5 sec.2.5 sec.2.5 sec.2.5 sec.2.5 sec.2.5 sec.
Significant height0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.6m (2ft)0.6m (2ft)0.3m (1ft)0.3m (1ft)0.5m (1.6ft)
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 Tuesday 7 January 2025

On Tuesday 7 January 2025, the sun will rise at 06:19 and will set at 18:21 on the beach(es) of Dumai. The outside temperature will be a high of 83°F t and a low of 76°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 7.5mph km/h (with gusts up to 13.1mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (77°F)25°C (77°F)26°C (79°F)28°C (83°F)26°C (79°F)26°C (78°F)25°C (77°F)
Perceived temperature28°C (82°F)28°C (82°F)27°C (81°F)30°C (85°F)31°C (89°F)29°C (85°F)29°C (83°F)27°C (81°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%87%87%88%71%85%87%89%
Barometric pressure1010 hPa1008 hPa1009 hPa1011 hPa1010 hPa1007 hPa1008 hPa1010 hPa
Cloud cover59%54%57%54%83%55%46%82%
Heat index28°C (82°F)28°C (82°F)27°C (81°F)30°C (85°F)31°C (89°F)29°C (85°F)29°C (83°F)27°C (81°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)24°C (75°F)22°C (72°F)24°C (74°F)23°C (74°F)23°C (73°F)
Wind
Speed12km/h (8mph)11km/h (7mph)10km/h (6mph)9km/h (5mph)8km/h (5mph)5km/h (3mph)3km/h (2mph)5km/h (3mph)
Gusts21km/h (13mph)18km/h (11mph)17km/h (11mph)14km/h (9mph)15km/h (9mph)7km/h (5mph)5km/h (3mph)10km/h (6mph)
Direction 47°
NE
46°
NE
47°
NE
27°
NNE
19°
NNE
352°
N

N
34°
NNE
Wind chill25°C (77°F)25°C (77°F)25°C (77°F)26°C (79°F)28°C (83°F)26°C (79°F)26°C (78°F)25°C (77°F)
Waves
Height0.3m (0.9ft)0.3m (1.1ft)0.3m (1.0ft)0.2m (0.7ft)0.1m (0.5ft)0.1m (0.4ft)0.2m (0.6ft)0.4m (1.3ft)
Direction 47°
NE
48°
NE
48°
NE
48°
NE
48°
NE
48°
NE
48°
NE
29°
NNE
Period2.5 sec.2.5 sec.2.5 sec.2.5 sec.2.5 sec.2.5 sec.2.5 sec.2.5 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)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 on Wednesday 8 January 2025

On Wednesday 8 January 2025, the sun will rise at 06:19 and will set at 18:21 on the beach(es) of Dumai. The outside temperature will be a high of 81°F t and a low of 76°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 5.6mph km/h (with gusts up to 9.9mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)26°C (78°F)27°C (80°F)25°C (78°F)25°C (76°F)
Perceived temperature27°C (81°F)27°C (80°F)26°C (79°F)26°C (80°F)28°C (83°F)30°C (87°F)28°C (83°F)27°C (81°F)
Precipitation0.1in0.1in0in0in0in0in0in0in
Humidity91%91%92%90%84%83%88%91%
Barometric pressure1010 hPa1008 hPa1009 hPa1011 hPa1009 hPa1007 hPa1008 hPa1010 hPa
Cloud cover73%100%100%79%79%52%57%81%
Heat index27°C (81°F)27°C (80°F)26°C (79°F)26°C (80°F)28°C (83°F)30°C (87°F)28°C (83°F)27°C (81°F)
Dew point23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)24°C (75°F)23°C (74°F)23°C (73°F)
Wind
Speed9km/h (5mph)7km/h (4mph)5km/h (3mph)3km/h (2mph)3km/h (2mph)5km/h (3mph)7km/h (4mph)8km/h (5mph)
Gusts16km/h (10mph)13km/h (8mph)9km/h (6mph)5km/h (3mph)5km/h (3mph)8km/h (5mph)12km/h (8mph)16km/h (10mph)
Direction 32°
NNE
13°
NNE
285°
WNW
203°
SSW
292°
WNW
319°
NW
314°
NW
316°
NW
Wind chill24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)26°C (78°F)27°C (80°F)25°C (78°F)25°C (76°F)
Waves
Height0.2m (0.6ft)0.3m (0.9ft)0.2m (0.7ft)0.1m (0.5ft)0.1m (0.4ft)0.1m (0.3ft)0.1m (0.5ft)0.1m (0.5ft)
Direction 37°
NE
45°
NE
44°
NE
44°
NE
45°
NE
45°
NE
327°
NNW
340°
NNW
Period2.5 sec.2.5 sec.2.5 sec.2.8 sec.2.7 sec.2.5 sec.2.3 sec.2.3 sec.
Significant height0.4m (1.3ft)0.5m (1.6ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.3m (1ft)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 on Thursday 9 January 2025

On Thursday 9 January 2025, the sun will rise at 06:20 and will set at 18:22 on the beach(es) of Dumai. The outside temperature will be a high of 85°F t and a low of 74°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 6.2mph km/h (with gusts up to 11.8mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (74°F)23°C (74°F)25°C (78°F)28°C (82°F)28°C (82°F)26°C (78°F)24°C (76°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (78°F)28°C (83°F)30°C (87°F)31°C (88°F)28°C (83°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity93%93%93%87%73%76%86%90%
Barometric pressure1010 hPa1009 hPa1010 hPa1012 hPa1010 hPa1007 hPa1009 hPa1011 hPa
Cloud cover62%76%83%81%70%60%60%68%
Heat index27°C (80°F)26°C (79°F)26°C (78°F)28°C (83°F)30°C (87°F)31°C (88°F)28°C (83°F)27°C (80°F)
Dew point23°C (73°F)22°C (72°F)22°C (72°F)23°C (74°F)22°C (72°F)23°C (74°F)23°C (74°F)23°C (73°F)
Wind
Speed8km/h (5mph)6km/h (4mph)6km/h (4mph)6km/h (4mph)6km/h (4mph)10km/h (6mph)9km/h (6mph)10km/h (6mph)
Gusts14km/h (9mph)12km/h (7mph)11km/h (7mph)8km/h (5mph)8km/h (5mph)15km/h (9mph)17km/h (11mph)19km/h (12mph)
Direction 313°
NW
304°
WNW
295°
WNW
320°
NW
332°
NNW
33°
NNE
28°
NNE
29°
NNE
Wind chill24°C (75°F)24°C (74°F)23°C (74°F)25°C (78°F)28°C (82°F)28°C (82°F)26°C (78°F)24°C (76°F)
Waves
Height0.1m (0.4ft)0.1m (0.4ft)0.1m (0.4ft)0.2m (0.6ft)0.2m (0.5ft)0.1m (0.4ft)0.2m (0.5ft)0.2m (0.7ft)
Direction 335°
NNW

N
24°
NNE
33°
NNE
39°
NE
39°
NE
37°
NE
39°
NE
Period2.3 sec.2.3 sec.2.1 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.
Significant height0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.3m (1ft)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 on Friday 10 January 2025

On Friday 10 January 2025, the sun will rise at 06:20 and will set at 18:22 on the beach(es) of Dumai. The outside temperature will be a high of 76°F t and a low of 74°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 5.6mph km/h (with gusts up to 8.7mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)
Precipitation0.1in0in0in0.1in0in0in0in0in
Humidity94%95%96%97%97%96%96%95%
Barometric pressure1011 hPa1010 hPa1011 hPa1012 hPa1012 hPa1010 hPa1010 hPa1012 hPa
Cloud cover78%82%94%100%100%90%87%82%
Heat index27°C (80°F)26°C (79°F)26°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)25°C (78°F)26°C (78°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)
Wind
Speed7km/h (4mph)6km/h (4mph)7km/h (4mph)8km/h (5mph)8km/h (5mph)8km/h (5mph)9km/h (5mph)8km/h (5mph)
Gusts13km/h (8mph)9km/h (6mph)10km/h (6mph)12km/h (7mph)11km/h (7mph)13km/h (8mph)14km/h (9mph)13km/h (8mph)
Direction 13°
NNE
189°
S
269°
W
258°
WSW
264°
W
267°
W
282°
WNW
285°
WNW
Wind chill24°C (75°F)24°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (74°F)
Waves
Height0.2m (0.7ft)0.1m (0.3ft)0.4m (1.3ft)0.3m (1.0ft)0.4m (1.3ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)
Direction 41°
NE
43°
NE
43°
NE
43°
NE
43°
NE
42°
NE
43°
NE
40°
NE
Period2.5 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.6 sec.2.5 sec.2.3 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)
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 Saturday 11 January 2025

On Saturday 11 January 2025, the sun will rise at 06:20 and will set at 18:22 on the beach(es) of Dumai. The outside temperature will be a high of 77°F t and a low of 74°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 6.8mph km/h (with gusts up to 9.3mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature23°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)25°C (76°F)24°C (75°F)24°C (74°F)23°C (74°F)
Perceived temperature26°C (78°F)26°C (78°F)26°C (78°F)27°C (80°F)27°C (81°F)27°C (80°F)26°C (79°F)26°C (78°F)
Precipitation0in0.1in0.1in0in0in0in0in0in
Humidity96%96%97%95%92%93%93%92%
Barometric pressure1011 hPa1010 hPa1011 hPa1011 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover80%92%98%96%93%97%96%88%
Heat index26°C (78°F)26°C (78°F)26°C (78°F)27°C (80°F)27°C (81°F)27°C (80°F)26°C (79°F)26°C (78°F)
Dew point22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)
Wind
Speed8km/h (5mph)6km/h (4mph)6km/h (4mph)10km/h (6mph)11km/h (7mph)9km/h (6mph)9km/h (6mph)7km/h (4mph)
Gusts13km/h (8mph)10km/h (6mph)10km/h (6mph)14km/h (9mph)15km/h (10mph)14km/h (9mph)15km/h (9mph)13km/h (8mph)
Direction 283°
WNW
279°
W
285°
WNW
318°
NW
339°
NNW
349°
N
125°
SE
238°
WSW
Wind chill23°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)25°C (76°F)24°C (75°F)24°C (74°F)23°C (74°F)
Waves
Height0.2m (0.7ft)0.3m (1.0ft)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 37°
NE
36°
NE
38°
NE
40°
NE
40°
NE
40°
NE
45°
NE
47°
NE
Period2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.
Significant height0.4m (1.3ft)0.6m (2ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.5m (1.6ft)
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

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