Sea Temperature

Cape Cod Sea Temperature

(Today) Sep 2018

18.9°C / 66°F

Current weather

15°C / 59°F
(clear sky)

Partly cloudy
Wind

11 mph

Humidity

74%

The measurements for the water temperature in Cape Cod, Massachusetts 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 sea temp

Monthly average max / min water temperatures

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

Maximum and minimum monthly sea temperatures in Cape Cod
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.6 2.8 2.2 4.1 6.5 10.4 15.7 18.3 16.1 11.5 8.9 5.4
Max °C 6.9 5.1 5.6 8.7 12.6 18.1 21.8 21.1 19.8 18.2 12.6 10.3
Min °F 39.8 37.9 37.3 41.2 46.1 53.8 62.7 66.1 62.4 55.3 49.5 43.6
Max °F 43.1 40.2 40.7 45.8 52.2 61.5 68.8 68.9 66.1 62 53.2 48.5

7 day tide forecast for Cape Cod

TueWedThuFriSatSunMon
  • High 12:44am
    (3.96m)
  • Low 06:26am
    (0.08m)
  • High 01:06pm
    (3.90m)
  • Low 06:44pm
    (0.07m)
  • High 01:24am
    (3.98m)
  • Low 07:04am
    (0.04m)
  • High 01:42pm
    (3.99m)
  • Low 07:25pm
    (-0.01m)
  • High 02:03am
    (3.97m)
  • Low 07:43am
    (0.04m)
  • High 02:20pm
    (4.06m)
  • Low 08:07pm
    (-0.06m)
  • High 02:44am
    (3.93m)
  • Low 08:24am
    (0.07m)
  • High 02:59pm
    (4.10m)
  • Low 08:50pm
    (-0.08m)
  • High 03:28am
    (3.86m)
  • Low 09:07am
    (0.13m)
  • High 03:42pm
    (4.11m)
  • Low 09:37pm
    (-0.07m)
  • High 04:15am
    (3.77m)
  • Low 09:54am
    (0.21m)
  • High 04:29pm
    (4.10m)
  • Low 10:29pm
    (-0.03m)
  • High 05:07am
    (3.68m)
  • Low 10:45am
    (0.30m)
  • High 05:22pm
    (4.07m)
  • Low 11:24pm
    (0.02m)

*These tide times are estimates based on the nearest port (Wychmere Harbor, Nantucket Sound) 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 September sea temperatures

  • Max: 19.8°C / 67.6°F
  • Avg: 17.9°C / 64.2°F
  • Min: 16.1°C / 60.9°F
Cape Cod average sea temperature chart

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

Map showing location of Cape Cod (41.700110, -70.032790)

Locations nearby

Variations

Whilst sea temperatures for Cape Cod 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 Cape Cod
Cap Cod, Cap Codd, Cape Cod, Cape Codd, Cape Iames, Cape-Codd, Capo Cod, Malabarre, Staten Hoeck, Witte Hoeck

Cape Cod average sea temperature chart