Oskarshamn Sea Temperature

(Today) 2025

12.7°C / 54.9°F

The water will feel cool (fresh). Probably too cold for all but seasoned swimmers. We'd recommend a 4mm or 5mm wetsuit if you want to stay in the water.

Current weather

18°C / 64°F
(overcast clouds)
Partly cloudy
Wind
12 mph
Humidity
74%

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

Oskarshamn average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Oskarshamn
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0 -0.4 -0.1 1.2 3.9 11 14.8 16.2 11.3 7 5.3 2.8
Max °C 4.8 3.8 3.5 6.1 12.3 17.8 21.4 21.5 20.1 14.2 9.2 6.4
Min °F 33.9 33.1 33.3 36.1 42.4 54.5 61.3 63.2 55.9 47.5 43.1 38.5
Max °F 38.7 37.2 36.9 41 50.8 61.3 67.9 68.5 64.7 54.7 47 42.1

The warmest water temperature is in August with an average around 65.8°F / 18.8°C. The coldest month is February with an average water temperature of 35.1°F / 1.7°C.

7 day tide forecast for Oskarshamn

WedThuFriSatSunMonTue
  • Low 4:57am
    (0.09m)
  • High 12:01pm
    (0.27m)
  • Low 5:12pm
    (0.11m)
  • High 12:06am
    (0.3m)
  • Low 6:02am
    (0.07m)
  • High 12:49pm
    (0.28m)
  • Low 6:10pm
    (0.1m)
  • High 12:55am
    (0.32m)
  • Low 7:04am
    (0.06m)
  • High 1:37pm
    (0.29m)
  • Low 7:07pm
    (0.09m)
  • High 1:47am
    (0.35m)
  • Low 8:02am
    (0.05m)
  • High 2:25pm
    (0.29m)
  • Low 8:01pm
    (0.06m)
  • High 2:41am
    (0.37m)
  • Low 8:55am
    (0.04m)
  • High 3:13pm
    (0.3m)
  • Low 8:54pm
    (0.04m)
  • High 3:38am
    (0.38m)
  • Low 9:46am
    (0.04m)
  • High 4:03pm
    (0.31m)
  • Low 9:47pm
    (0.02m)
  • High 4:36am
    (0.39m)
  • Low 10:35am
    (0.04m)
  • High 4:55pm
    (0.32m)
  • Low 10:39pm
    (0.01m)
7 day tide times for Oskarshamn

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