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Mason County, Washington · Ocean

Can you swim at Harstine Island County State Park today?

4.0FAIRPARTIAL

Fair · 4.0

Cold water (12.9°C)

Updated

Heads up

  • Cold water (12.9°C)

Swim brief

Conditions are mixed right now: 4.0 out of 10. Water is 55 °F, measured at NDBC buoy TCNW1 (9446484 - Tacoma, WA) (TCNW1).

Written from the readings below. Not a safety guarantee: follow lifeguards and posted signs.

The readings

  • Water temperature
    55 °F
    NDBC buoy TCNW1 (9446484 - Tacoma, WA) (TCNW1) (measured) · fetched
    Fair
  • Water quality
    No reading
    Advisories are published by the state beach program (see below)
    –
  • Waves
    No reading
    No marine model coverage at this location (land or inland water); no wave buoy within range and StormGlass unavailable
    –
  • Wind
    No reading
    Open-Meteo request failed: shared in-flight Open-Meteo request returned no data
    –
  • Air temperature
    No reading
    Open-Meteo request failed: shared in-flight Open-Meteo request returned no data
    –
  • UV index
    No reading
    No UV source configured or reachable
    –
  • Thunderstorms
    No reading
    Open-Meteo request failed: shared in-flight Open-Meteo request returned no data
    –
  • Weather alerts
    No reading
    Weather provider does not report alerts
    –

Today

No hourly forecast yet

Hourly forecasts are stored for priority spots first; this one has not been fetched yet.

Questions about Harstine Island County State Park

Is it safe to swim at Harstine Island County State Park today?

Swimmable can't tell you a spot is safe; conditions change fast and no score is a guarantee. Right now its Swim Score is 4.0 out of 10 (Fair), summarised from public weather, marine and water data. Check whether lifeguards are on duty and follow posted signs and flags.

What is the water temperature at Harstine Island County State Park?

The latest reading is 55 °F. The page shows its source and when it was fetched.

Is the water clean at Harstine Island County State Park?

This beach is monitored under the U.S. BEACH Act. Advisories and closures are published by the state or local program listed in EPA BEACON; check it before you swim.

How is the Swim Score calculated?

The score out of 10 combines water temperature, air temperature, UV, wind and weather, waves and weather alerts from public sources such as NOAA, NDBC and Open-Meteo. Missing readings are left out and shown as missing, never guessed.