Measurements:
°C
°F
Oostende
40°F
N 8 mph
Feels like: 34°F
Precip: 0%
World Resorts Belgium Oostende Weather

Oostende Sea Water Temperature

Current Sea Water Temperature:
+47.8°F
Maximum Sea Water Temperature in December: 51.8°F
Minimum Sea Water Temperature in December: 41.2°F
Average water temperature in December: 46.9°F

Sea Water Temperature for the Last 10 Days:

December 04 47.8°F November 29 47.8°F
December 03 48.0°F November 28 48.2°F
December 02 48.0°F November 27 47.8°F
December 01 48.0°F November 26 47.4°F
November 30 48.2°F November 25 48.6°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Oostende was 70.7°F. The maximum and minimum values were 69.0°F and 72.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Oostende was 71.0°F. The maximum and minimum values were 69.8°F and 72.4°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:
June 13 days
July 12 days
April 12 days
The most warm months:
August 71.0 °F
July 69.9 °F
September 66.9 °F
Warmest sea temperature:
August 69.2 °F
July 67.8 °F
September 66.1 °F
The most cold months:
January 43.5 °F
February 44.3 °F
December 46.8 °F
The most rainy months:
August 5 days
November 5 days
December 5 days
The most windy months:
December 16 mph
January 16 mph
February 16 mph

Oostende on the Weather Map

Belgium Resorts:
NAME
Antwerpen +38
Brugge +36
Brussel +36
Charleroi +36
Gent +36
Kortrijk +36
Liege +38
Namur +40
Oostende +40
24 Hours Weather Forecast
Oostende
Local time: 07:11
05 dec, friday
0900 40°F
N
9 mph
1200 42°F
N
11 mph
1500 46°F
N
14 mph
1800 42°F
N
20 mph
2100 42°F
N
27 mph
06 dec, saturday
0000 44°F
N
33 mph
0300 46°F
N
26 mph
0600 50°F
NE
24 mph