Sea Temperature

Swansea Sea Temperature

(Today) Dec 2019

10.8°C / 51.4°F

Current weather

7°C / 45°F
(light rain)

Partly cloudy
Wind

13 mph

Humidity

75%


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

Monthly average max / min water temperatures

The graph below shows the range of monthly Swansea water temperature derived from many years of historical sea surface temperature data.

Maximum and minimum monthly sea temperatures in Swansea
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 7.2 7.3 7.4 8.2 10.2 11.9 14 16 15.6 14.2 12.3 9.5
Max °C 10.4 9.8 9.3 11 12.5 15.3 17.6 17.5 17.4 16.3 14.8 12.7
Min °F 46.2 46.1 46 47.9 51.2 54.8 58.6 61.4 60.8 58.4 55.1 50.4
Max °F 49.4 48.6 47.9 50.7 53.5 58.2 62.2 62.9 62.6 60.5 57.6 53.6

7 day tide forecast for Swansea

SatSunMonTueWedThuFri
  • Low 1:03am
    (1.40m)
  • High 7:21am
    (9.41m)
  • Low 1:24pm
    (1.46m)
  • High 7:46pm
    (9.23m)
  • Low 1:41am
    (1.47m)
  • High 8:01am
    (9.35m)
  • Low 2:04pm
    (1.56m)
  • High 8:27pm
    (9.07m)
  • Low 2:22am
    (1.65m)
  • High 8:44am
    (9.18m)
  • Low 2:48pm
    (1.76m)
  • High 9:13pm
    (8.81m)
  • Low 3:07am
    (1.93m)
  • High 9:32am
    (8.91m)
  • Low 3:39pm
    (2.03m)
  • High 10:04pm
    (8.48m)
  • Low 3:59am
    (2.26m)
  • High 10:26am
    (8.60m)
  • Low 4:38pm
    (2.33m)
  • High 11:03pm
    (8.16m)
  • Low 5:04am
    (2.56m)
  • High 11:30am
    (8.32m)
  • Low 5:49pm
    (2.55m)
  • High 12:11am
    (7.96m)
  • Low 6:20am
    (2.72m)
  • High 12:41pm
    (8.19m)
  • Low 7:06pm
    (2.58m)
7 day tide times for Swansea

*These tide times are estimates based on the nearest port (Mumbles, Wales) 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 December sea temperatures

  • Max: 12.7°C / 54.9°F
  • Avg: 11.1°C / 52°F
  • Min: 9.5°C / 49.1°F
Swansea average sea temperature chart

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

Map showing location of Swansea (51.620790, -3.943230)

Locations nearby

Variations

Whilst sea temperatures for Swansea 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 Swansea
Abertawe, SWS, Suonsi, Suonzi, Swansea, si wang xi, suuae~onji, suu~onji, Суонзи, Суонси, スウæォンジ, スウォンジ, 斯旺西

Swansea average sea temperature chart