Current Sea Water Temperature:
+48.6°F
| Maximum Sea Water Temperature in April: | 51.6°F |
| Minimum Sea Water Temperature in April: | 42.2°F |
| Average water temperature in April: | 46.8°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| April 27 | 48.6°F | April 22 | 47.8°F |
| April 26 | 48.2°F | April 21 | 47.8°F |
| April 25 | 48.2°F | April 20 | 47.6°F |
| April 24 | 48.2°F | April 19 | 47.8°F |
| April 23 | 48.2°F | April 18 | 47.8°F |
When is the Warmest Sea for Belfast?
According to our data for the last three years for Belfast the highest average sea water temperature was in September, August and July.
Average Water Temperature by Month, °F
Sea Water Temperature in September
The average sea surface temperature in September 2023 for Belfast was 60.4°F. The maximum and minimum values were 58.8°F and 62.0°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2023 for Belfast was 60.2°F. The maximum and minimum values were 59.2°F and 61.4°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2023 for Belfast was 59.2°F. The maximum and minimum values were 57.8°F and 59.8°F respectively.
United Kingdom Resorts:
NAME
F°
| Bath |  |
+36 |
| Belfast |  |
+36 |
| Bournemouth | |
+40 |
| Brighton |  |
+50 |
| Bristol | |
+38 |
| Edinburgh | |
+40 |
| Gibraltar |  |
+50 |
| Glasgow | |
+36 |
| Liverpool | |
+40 |
| London | |
+46 |
| Middlesbrough | |
+42 |
| Plymouth | |
+42 |
| Scarborough | |
+42 |
| Torquay | |
+38 |
| York | |
+40 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Belfast
Local time: 05:13
28 apr, sunday
| 0600 |  |
36°F | SE 2 mph |
| 0900 |  |
48°F | SE 2 mph |
| 1200 |  |
50°F | E 1 mph |
| 1500 | |
50°F | NE 7 mph |
| 1800 | |
46°F | NE 10 mph |
| 2100 |  |
38°F | N 6 mph |
29 apr, monday
| 0000 | |
36°F | NE 7 mph |
| 0300 |  |
36°F | NE 6 mph |