Ballywalter Sea Temperature

(Today) 2025

14.9°C / 58.8°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

17°C / 62°F
(clear sky)
Partly cloudy
Wind
28 mph
Humidity
78%

The measurements for the water temperature in Ballywalter, N Ireland 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 Ballywalter water temperature derived from many years of historical sea surface temperature data.

Ballywalter average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Ballywalter
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 7.6 7.2 6.9 7.7 9.1 9.7 11.8 13.3 13.6 12.6 11.2 9.2
Max °C 10 9.1 9.1 9.9 10.9 13.9 15.4 15.1 14.9 14.2 13.4 11.8
Min °F 46.6 45.7 45.3 46.7 49.1 51.1 54.7 56.7 57 55.3 53 49.6
Max °F 49 47.6 47.5 48.9 50.9 55.3 58.3 58.5 58.3 56.9 55.2 52.2

The warmest water temperature is in August with an average around 57.6°F / 14.2°C. The coldest month is March with an average water temperature of 46.4°F / 8.0°C.

7 day tide forecast for Ballywalter

SunMonTueWedThuFriSat
  • High 05:05am
    (3.54m)
  • Low 11:01am
    (1.29m)
  • High 05:31pm
    (3.18m)
  • Low 11:41pm
    (1.44m)
  • High 06:07am
    (3.12m)
  • Low 12:04pm
    (1.47m)
  • High 06:37pm
    (3.1m)
  • Low 01:03am
    (1.53m)
  • High 07:21am
    (3m)
  • Low 01:23pm
    (1.56m)
  • High 07:53pm
    (3.07m)
  • Low 02:24am
    (1.47m)
  • High 08:29am
    (3.01m)
  • Low 02:32pm
    (1.5m)
  • High 08:57pm
    (3.15m)
  • Low 03:31am
    (1.27m)
  • High 09:36am
    (3.12m)
  • Low 03:36pm
    (1.35m)
  • High 09:56pm
    (3.55m)
  • Low 04:21am
    (1.01m)
  • High 10:28am
    (3.52m)
  • Low 04:26pm
    (1.15m)
  • High 10:43pm
    (3.78m)
  • Low 05:03am
    (0.73m)
  • High 11:11am
    (3.71m)
  • Low 05:08pm
    (0.92m)
  • High 11:24pm
    (4.01m)
7 day tide times for Ballywalter

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