Oceanside Water Temperature

(Today) 2025

21°C / 69.8°F

The water will feel tepid. Swimming will be tolerable without a wetsuit, although it will take a little getting used to. If you intend to stay in the water for a while a 3/2mm wetsuit will be ideal.

*Live data from Oceanside Offshore, CA (045): 21.5°C / 70.7°F

Current weather

19°C / 67°F
(few clouds)
Partly cloudy
Wind
5 mph
Humidity
85%

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

Oceanside average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Oceanside
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 13.6 13.8 13.1 13.9 15 16.2 18.1 18.6 17.7 16.6 15.8 14.6
Max °C 15.8 15.9 16.4 16.8 18.6 20.5 21.6 21.1 21 19.7 18.1 16.8
Min °F 57.4 57.6 56.9 58.1 60.4 62.8 65.9 66.4 65.1 63.1 61.3 59.2
Max °F 59.6 59.7 60.2 61 64 67.1 69.4 68.9 68.4 66.2 63.6 61.4

The warmest water temperature is in July with an average around 67.6°F / 19.8°C. The coldest month is January with an average water temperature of 58.5°F / 14.7°C.

7 day tide forecast for Oceanside

FriSatSunMonTueWedThu
  • High 3:36am
    (0.93m)
  • Low 8:56am
    (0.51m)
  • High 4:00pm
    (1.6m)
  • Low 11:38pm
    (0.26m)
  • High 5:33am
    (0.88m)
  • Low 10:00am
    (0.65m)
  • High 5:00pm
    (1.71m)
  • Low 12:49am
    (0.04m)
  • High 7:08am
    (0.94m)
  • Low 11:17am
    (0.73m)
  • High 5:59pm
    (1.81m)
  • Low 1:45am
    (-0.14m)
  • High 8:11am
    (1.03m)
  • Low 12:29pm
    (0.73m)
  • High 6:55pm
    (1.91m)
  • Low 2:33am
    (-0.27m)
  • High 8:58am
    (1.12m)
  • Low 1:30pm
    (0.69m)
  • High 7:46pm
    (1.98m)
  • Low 3:16am
    (-0.35m)
  • High 9:37am
    (1.18m)
  • Low 2:23pm
    (0.63m)
  • High 8:34pm
    (2.02m)
  • Low 3:56am
    (-0.36m)
  • High 10:14am
    (1.24m)
  • Low 3:11pm
    (0.57m)
  • High 9:19pm
    (2m)
7 day tide times for Oceanside

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