Llanelli Sea Temperature

(Today) 2024

15.9°C / 60.6°F

The water will feel medium. The water will feel a bit chilly in just bathers / swimming costume. If you plan on wearing a wetsuit 4/3mm should be thick enough.

Current weather

15°C / 59°F
(few clouds)
Partly cloudy
Wind
20 mph
Humidity
76%

The measurements for the water temperature in Llanelli, 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.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

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

Llanelli average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Llanelli
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 7.6 7.6 7.6 8.2 10.1 11.8 13.8 15.5 15.4 13.8 12.3 9.7
Max °C 10.4 9.8 9.3 11 12.3 15.1 17 17.2 17.1 16.1 14.6 12.8
Min °F 46.8 46.6 46.3 47.9 51.1 54.5 58.1 60.5 60.4 57.7 55 50.7
Max °F 49.6 48.8 48 50.7 53.3 57.8 61.3 62.2 62.1 60 57.3 53.8

The warmest water temperature is in August with an average around 61.3°F / 16.3°C. The coldest month is March with an average water temperature of 47.1°F / 8.4°C.

7 day tide forecast for Llanelli

FriSatSunMonTueWedThu
  • Low 02:53am
    (1.07m)
  • High 07:51am
    (7.22m)
  • Low 03:00pm
    (1.1m)
  • High 08:03pm
    (7.29m)
  • Low 03:15am
    (1.13m)
  • High 08:18am
    (7.18m)
  • Low 03:24pm
    (1.19m)
  • High 08:30pm
    (7.18m)
  • Low 03:37am
    (1.28m)
  • High 08:46am
    (7.05m)
  • Low 03:48pm
    (1.36m)
  • High 08:58pm
    (6.97m)
  • Low 03:59am
    (1.49m)
  • High 09:14am
    (6.85m)
  • Low 04:12pm
    (1.6m)
  • High 09:27pm
    (6.7m)
  • Low 04:23am
    (1.78m)
  • High 09:45am
    (6.57m)
  • Low 04:38pm
    (1.91m)
  • High 09:59pm
    (6.33m)
  • Low 04:49am
    (2.12m)
  • High 10:20am
    (6.21m)
  • Low 05:10pm
    (2.26m)
  • High 10:39pm
    (5.92m)
  • Low 05:24am
    (2.49m)
  • High 11:07am
    (5.83m)
  • Low 05:58pm
    (2.62m)
  • High 11:38pm
    (5.48m)
7 day tide times for Llanelli

*These tide times are estimates based on the nearest accurate location (Mumbles, Wales) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.