Sea Temperature

Castine Sea Temperature

(Today) Dec 2019

9.4°C / 49.0°F

Current weather

7°C / 44°F
(overcast clouds)

Partly cloudy
Wind

15 mph

Humidity

49%


The measurements for the water temperature in Castine, Maine 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 Castine water temperature derived from many years of historical sea surface temperature data.

Maximum and minimum monthly sea temperatures in Castine
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3 2.2 1.7 3.1 5 7.4 11.1 12.2 11.8 9.4 7.4 5
Max °C 6.4 4.5 4.4 5.9 8.7 12.9 16 16.4 14.8 13.2 10.4 8.7
Min °F 38.8 36.8 36.1 38.7 42.4 47.5 53.9 55.6 54.4 50.4 46.5 42.4
Max °F 42.2 39.1 38.8 41.5 46.1 53 58.8 59.8 57.4 54.2 49.5 46.1

7 day tide forecast for Castine

SunMonTueWedThuFriSat
  • High 12:39am
    (10.22m)
  • Low 6:34am
    (0.59m)
  • High 12:49pm
    (11.48m)
  • Low 7:12pm
    (-0.70m)
  • High 1:28am
    (10.24m)
  • Low 7:25am
    (0.62m)
  • High 1:40pm
    (11.34m)
  • Low 8:03pm
    (-0.58m)
  • High 2:20am
    (10.26m)
  • Low 8:20am
    (0.68m)
  • High 2:35pm
    (11.10m)
  • Low 8:58pm
    (-0.40m)
  • High 3:17am
    (10.30m)
  • Low 9:21am
    (0.70m)
  • High 3:36pm
    (10.82m)
  • Low 9:56pm
    (-0.20m)
  • High 4:17am
    (10.42m)
  • Low 10:26am
    (0.64m)
  • High 4:40pm
    (10.57m)
  • Low 10:57pm
    (-0.04m)
  • High 5:19am
    (10.62m)
  • Low 11:33am
    (0.43m)
  • High 5:47pm
    (10.41m)
  • Low 11:59pm
    (0.05m)
  • High 6:21am
    (10.92m)
  • Low 12:39pm
    (0.09m)
  • High 6:52pm
    (10.38m)
7 day tide times for Castine

*These tide times are estimates based on the nearest port (Castine, Penobscot Bay) 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: 8.7°C / 47.6°F
  • Avg: 6.8°C / 44.2°F
  • Min: 5°C / 40.9°F
Castine average sea temperature chart

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

Map showing location of Castine (44.387850, -68.799750)

Locations nearby

Variations

Whilst sea temperatures for Castine 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 Castine

Castine average sea temperature chart