North Sea Water Temperature

(Today) 2025

6.5°C / 43.7°F

The water will feel very cold. For the hardcore only. The water is now dangerously cold and most people will risk hypothermia if not equipped with a thick, 6/5mm wetsuit along with boots and a hood

*Live data from Montauk, NY: 7.1°C / 44.8°F

Current weather

9°C / 48°F
(few clouds)
Partly cloudy
Wind
8 mph
Humidity
72%

The measurements for the water temperature in North Sea, New York 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 North Sea water temperature derived from many years of historical sea surface temperature data.

North Sea average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in North Sea
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 2 1.8 2.4 3.7 7.7 14.2 19.3 21.1 19 14.5 11.4 7
Max °C 7.8 4.9 5.8 10.2 15.4 21 24.7 25.2 22.2 20.4 14.9 11.8
Min °F 37.9 36.4 37.7 41.2 48.9 60.3 68.9 71.6 67.5 60.4 53.9 46.5
Max °F 43.7 39.5 41.1 47.7 56.6 67.1 74.3 75.7 70.7 66.3 57.4 51.3

The warmest water temperature is in August with an average around 73.6°F / 23.1°C. The coldest month is February with an average water temperature of 37.9°F / 3.3°C.

7 day tide forecast for North Sea

MonTueWedThuFriSatSun
  • High 12:47am
    (0.81m)
  • Low 7:08am
    (0.04m)
  • High 1:13pm
    (0.65m)
  • Low 7:07pm
    (0.11m)
  • High 1:21am
    (0.81m)
  • Low 7:50am
    (0.05m)
  • High 1:50pm
    (0.63m)
  • Low 7:46pm
    (0.15m)
  • High 1:56am
    (0.8m)
  • Low 8:34am
    (0.07m)
  • High 2:29pm
    (0.6m)
  • Low 8:27pm
    (0.18m)
  • High 2:33am
    (0.78m)
  • Low 9:21am
    (0.1m)
  • High 3:13pm
    (0.58m)
  • Low 9:12pm
    (0.22m)
  • High 3:14am
    (0.76m)
  • Low 10:11am
    (0.12m)
  • High 4:03pm
    (0.56m)
  • Low 10:05pm
    (0.25m)
  • High 4:03am
    (0.73m)
  • Low 11:05am
    (0.13m)
  • High 5:01pm
    (0.55m)
  • Low 11:06pm
    (0.26m)
  • High 5:01am
    (0.71m)
  • Low 12:00pm
    (0.14m)
  • High 6:03pm
    (0.57m)
7 day tide times for North Sea

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