Belfast Sea Temperature

(Today) Sep 2017

14.4°C / 58°F

Current weather

(scattered clouds)
14°C / 58°F

Partly cloudy

10 mph



The measurements for the sea temperature in Belfast, N Ireland are provided by the daily satellite readings provided by the NOAA. The temperatures given are the surface temperature (SST) which is most relevant to recreational users.

7 day tide forecast for Belfast

  • High 03:26am
  • Low 09:26am
  • High 03:47pm
  • Low 09:58pm
  • High 04:09am
  • Low 10:08am
  • High 04:33pm
  • Low 10:47pm
  • High 05:02am
  • Low 11:00am
  • High 05:29pm
  • Low 11:55pm
  • High 06:10am
  • Low 12:12pm
  • High 06:41pm
  • Low 01:21am
  • High 07:30am
  • Low 01:37pm
  • High 08:00pm
  • Low 02:36am
  • High 08:42am
  • Low 02:47pm
  • High 09:05pm
  • Low 03:31am
  • High 09:37am
  • Low 03:38pm
  • High 09:54pm

*These tide times are estimates based on the nearest port (Bangor, Northern Ireland) and may differ by up to half and hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.

Average September sea temperatures

  • Max: 14.8°C / 58.6°F
  • Avg: 14.2°C / 57.5°F
  • Min: 13.5°C / 56.3°F
Belfast average sea temperature chart

These average ocean temperatures for Belfast are calculated from several years of archived data.

Map showing location of Belfast (54.583330, -5.933330)

Locations nearby


Whilst sea temperatures for Belfast are as accurate as current data allows there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.

Alternate names for Belfast
BFS, Beal Feirste, Behlfast, Belfast, Belfast City, Belfasta, Belfasto, Belffast, Belfāsta, Beul-Feirste, Béal Feirste, Mpelphast, baelpaseuteu, bei er fa si te, belpaseuteu, berufasuto, blfast, Μπέλφαστ, Белфаст, Бэлфаст, בלפאסט, بلفاست, ベルファスト, 貝爾法斯特, 贝尔法斯特, 밸파스트, 벨파스트