Osterville Water Temperature

(Today) 2024

15.4°C / 59.8°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.

*Live data from NANTUCKET SOUND: 15.2°C / 59.4°F

Current weather

10°C / 49°F
(clear sky)
Partly cloudy
Wind
10 mph
Humidity
79%

The measurements for the water temperature in Osterville, 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.

*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 Osterville water temperature derived from many years of historical sea surface temperature data.

Osterville average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Osterville
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 2.9 2 1.6 3.6 7.1 11 16.1 18.5 17.2 12.7 9.6 5.1
Max °C 7.4 4.9 5.7 9.7 13.3 18.6 21.9 21.9 20.3 18.9 13.9 11.4
Min °F 39 36.7 36.5 40.9 47.3 54.8 63.3 66.7 64.2 57.3 51 43.7
Max °F 43.5 39.6 40.6 47 53.5 62.4 69.1 70.1 67.3 63.5 55.3 50

The warmest water temperature is in August with an average around 68.4°F / 20.2°C. The coldest month is February with an average water temperature of 38.1°F / 3.4°C.

7 day tide forecast for Osterville

FriSatSunMonTueWedThu
  • High 1:13am
    (0.89m)
  • Low 6:49am
    (-0.08m)
  • High 1:30pm
    (0.96m)
  • Low 7:22pm
    (-0.15m)
  • High 2:05am
    (0.88m)
  • Low 7:37am
    (-0.06m)
  • High 2:19pm
    (0.96m)
  • Low 8:13pm
    (-0.14m)
  • High 2:57am
    (0.85m)
  • Low 8:27am
    (-0.03m)
  • High 3:09pm
    (0.94m)
  • Low 9:05pm
    (-0.11m)
  • High 3:51am
    (0.81m)
  • Low 9:18am
    (0.01m)
  • High 4:01pm
    (0.9m)
  • Low 9:59pm
    (-0.07m)
  • High 4:47am
    (0.76m)
  • Low 10:12am
    (0.06m)
  • High 4:57pm
    (0.85m)
  • Low 10:56pm
    (-0.01m)
  • High 5:46am
    (0.72m)
  • Low 11:09am
    (0.1m)
  • High 5:57pm
    (0.8m)
  • Low 11:56pm
    (0.04m)
  • High 6:48am
    (0.69m)
  • Low 12:10pm
    (0.14m)
  • High 7:00pm
    (0.76m)
7 day tide times for Osterville

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