Measurements:
°C
°F
Oostende
68°F
E 14 mph
Feels like: 68°F
Precip: 23%
World Resorts Belgium Oostende Weather

Oostende Sea Water Temperature

Current Sea Water Temperature:
+74.0°F
Maximum Sea Water Temperature in August: 74.8°F
Minimum Sea Water Temperature in August: 65.4°F
Average water temperature in August: 69.4°F

Sea Water Temperature for the Last 10 Days:

August 19 74.0°F August 14 73.6°F
August 18 74.2°F August 13 73.4°F
August 17 74.6°F August 12 73.6°F
August 16 73.6°F August 11 73.6°F
August 15 74.4°F August 10 73.6°F

When is the Warmest Sea for Oostende?

According to our data for the last three years for Oostende the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Oostende was 73.9°F. The maximum and minimum values were 73.2°F and 74.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Oostende was 73.4°F. The maximum and minimum values were 71.8°F and 75.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Oostende was 65.5°F. The maximum and minimum values were 60.8°F and 68.8°F respectively.

Best Time to Visit Oostende
The most sunny months:
July 13 days
June 12 days
April 12 days
The most warm months:
August 71.0 °F
July 70.0 °F
September 66.9 °F
Warmest sea temperature:
August 69.2 °F
July 68.2 °F
September 66.1 °F
The most cold months:
January 43.4 °F
February 44.4 °F
December 46.8 °F
The most rainy months:
August 5 days
November 5 days
October 4 days
The most windy months:
December 16 mph
February 16 mph
January 16 mph

Oostende on the Weather Map

Belgium Resorts:
NAME
Antwerpen +64
Brugge +72
Brussel +72
Charleroi +72
Gent +72
Kortrijk +70
Liege +70
Namur +72
Oostende +68
24 Hours Weather Forecast
Oostende
Local time: 14:39
19 aug, wednesday
1500 68°F
E
14 mph
1800 68°F
E
12 mph
2100 70°F
NE
16 mph
20 aug, thursday
0000 66°F
NE
20 mph
0300 66°F
NE
21 mph
0600 68°F
E
22 mph
0900 66°F
NE
21 mph
1200 68°F
NE
20 mph