Donegal Sea Temperature

(Today) Jul 2017

14.4°C / 58°F

Current weather

(clear sky)
18°C / 64°F

Partly cloudy

4 mph



The measurements for the sea temperature in Donegal, Ulster 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 Donegal

  • Low 01:45am
  • High 07:58am
  • Low 01:39pm
  • High 08:14pm
  • Low 02:34am
  • High 08:41am
  • Low 02:21pm
  • High 08:58pm
  • Low 03:22am
  • High 09:24am
  • Low 03:03pm
  • High 09:44pm
  • Low 04:15am
  • High 10:08am
  • Low 03:47pm
  • High 10:34pm
  • Low 05:13am
  • High 10:57am
  • Low 04:33pm
  • High 11:37pm
  • Low 06:25am
  • High 11:55am
  • Low 05:25pm
  • High 01:18am
  • Low 07:40am
  • High 01:18pm
  • Low 06:33pm

*These tide times are estimates based on the nearest port (Portrush, 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 July sea temperatures

  • Max: 15.3°C / 59.6°F
  • Avg: 14.1°C / 57.3°F
  • Min: 12.1°C / 53.7°F
Donegal average sea temperature chart

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

Map showing location of Donegal (54.650000, -8.116670)

Locations nearby


Whilst sea temperatures for Donegal 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 Donegal
CFN, Donegal, Dun na nGall, DĂșn na nGall