Derry Sea Temperature

(Today) Sep 2017

13.9°C / 57°F

Current weather

(few clouds)
15°C / 59°F

Partly cloudy

14 mph



The measurements for the sea temperature in Derry, 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 Derry

  • Low 05:18am
  • High 11:23am
  • Low 05:17pm
  • High 11:42pm
  • Low 06:42am
  • High 01:03pm
  • Low 07:08pm
  • High 02:30am
  • Low 08:22am
  • High 02:43pm
  • Low 09:04pm
  • High 03:44am
  • Low 09:30am
  • High 03:45pm
  • Low 10:12pm
  • High 04:43am
  • Low 10:25am
  • High 04:34pm
  • Low 11:09pm
  • High 05:31am
  • Low 11:10am
  • High 05:14pm
  • Low 11:50pm
  • High 06:05am
  • Low 11:44am
  • High 05:48pm

*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 September sea temperatures

  • Max: 15.2°C / 59.4°F
  • Avg: 14.3°C / 57.7°F
  • Min: 13.4°C / 56.2°F
Derry average sea temperature chart

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

Map showing location of Derry (54.998100, -7.309340)

Locations nearby


Whilst sea temperatures for Derry 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 Derry
Derri, Derry, Derry / Londonderry, Derry City, Dhoire, Doire, Doire Choluim Chille, Ker Dherow, LDY, Londonderry, dry, rondonderi, Дерри, דרי, ロンドンデリー