Harstine Island, Washington Weather
Harstine Island, Washington — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast, soil and crop conditions for Harstine Island, Mason County.
Tides, marine forecast and fishing conditions near Harstine Island. Tide source:
Full aviation weather for Harstine Island is published on the Tacoma Narrows Airport (KTIW) page, 24 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Harstine Island have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Harstine Island: Gray Army Air Field (KGRF) 28 km · Bremerton National Airport (KPWT) 30 km · McChord Air Force Base (KTCM) 32 km · Pierce County-Thun Field (KPLU) 47 km · Seattle–Tacoma International Airport (KSEA) 50 km
Conditions reported at KTIW describe the airfield itself. Weather 24 km away can differ, particularly in terrain or near the coast. For conditions at Harstine Island specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Harstine Island.
About Harstine Island, Washington
Harstine Island is a place where the Salish Sea whispers secrets to the dense evergreen forests. It lies 2.7 miles south-east of Grant, WA (from Grant, WA: bearing 129°T), and is situated 6.1 miles west-north-west of Longbranch. Its shores are a mosaic of smooth, wave-worn stones and the occasional stretch of soft, damp sand, giving way to steep banks cloaked in moss-draped firs and cedars. The air here carries the bracing scent of salt and pine, mingling with the damp earth after a soft Pacific Northwest rain. Sunlight, when it breaks through the canopy, filters down in ethereal shafts, illuminating the vibrant green undergrowth and the quiet stillness of the inland trails. Deer often emerge from the shadows, their movements fluid and unhurried, a testament to the island's enduring wildness. The history of Harstine Island is interwoven with the rhythms of the tides and the logging industry that once defined its economic pulse. For generations, the island's rich timber resources provided a livelihood, the echoes of chainsaws now a fading memory replaced by the gentle lapping of water against the shore. Today, a quieter economy has taken root, with many residents commuting to the mainland or finding work in local aquaculture and tourism. The island’s character is one of quiet resilience, a place where the past is present in the weathered barns and the enduring connection to the natural world, a stark beauty that invites contemplation.
Live animated radar for Harstine Island and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Harstine Island, Mason County, Washington |
| Coordinates | 47.230318°N, 122.883585°W |
| Timezone | Pacific Time (America/Los_Angeles) |
| ZIP Code(s) | 98584 |
| Area Code | 425 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Harstine Island, Washington Weather Page
This page provides live weather conditions and forecasts for Harstine Island, Washington, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Harstine Island includes coordinates 47.230318°N, 122.883585°W, situated in Mason County. ZIP code 98584. Telephone area code: 425. Timezone: Pacific Time (America/Los_Angeles).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
