Seasonal ranking

Coldest sea temperature in Washington in April

Where the sea is coolest across Washington during April, ranked by long-term monthly average water temperature. Long Beach WA (Washington, United States) is the coolest at around 21°C. Open any spot for today's live water temperature and a 7-day swim forecast.

  1. 1
    Long Beach WA
    Washington · United States · Pacific Ocean
    Pleasant — swimmable without a wetsuit
    21°C
    April average
  2. 2
    Rialto Beach
    Washington · United States · Pacific Ocean
    Pleasant — swimmable without a wetsuit
    21°C
    April average
  3. 3
    Ocean Shores
    Washington · United States · Pacific Ocean
    Pleasant — swimmable without a wetsuit
    21°C
    April average
  4. 4
    Alki Beach
    Washington · United States · Pacific Ocean
    Pleasant — swimmable without a wetsuit
    21°C
    April average
  5. 5
    First Beach La Push
    Washington · United States · Pacific Ocean
    Pleasant — swimmable without a wetsuit
    21°C
    April average

Coldest sea in April elsewhere

Washington in April — frequently asked questions

Where is the sea coldest in Washington in April?
Long Beach WA in United States has the coldest sea in Washington in April, averaging about 21.0 °C. Rialto Beach (21.0 °C) and Ocean Shores are the next coolest.
How many beaches in Washington are warm enough to swim in April?
None of the top 5 ranked beaches in Washington reach 22 °C in April, so a wetsuit is recommended for anything longer than a quick dip.
How are these April sea temperatures calculated?
Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical April rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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