Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height. .TONIGHT...SE wind 20 kt. Seas 7 ft. Rain showers. .SAT...SW wind 25 kt. Seas 7 ft. Rain showers. .SAT NIGHT...S wind 25 kt. Seas 9 ft. Rain showers. .SUN...SW wind 25 kt. Seas 9 ft. .SUN NIGHT...NW wind 25 kt. Seas 8 ft. .MON...NW wind 25 kt. Seas 8 ft. .TUE...NW wind 20 kt. Seas 7 ft. .WED...NW wind 15 kt. Seas 5 ft.
Local weather forecast
Weather in Port Heiden, AK
Updated 2026-09-26 07:15 local time · ZIP codes 99549
Now46°F
Cloudy
High / Low52° / 43°
Rain chance84%
Wind18 mph
Weather alerts
1Active alerts
Hourly
Next hours
Now46°63% rain
46°63% rain8 AM
43°30% rain
43°30% rain9 AM
43°31% rain
43°31% rain10 AM
45°49% rain
45°49% rain11 AM
49°17% rain
49°17% rain12 PM
49°22% rain
49°22% rain1 PM50°19% rain
50°19% rain2 PM52°19% rain
52°19% rain3 PM51°18% rain
51°18% rain4 PM51°21% rain
51°21% rain5 PM48°58% rain
48°58% rain6 PM46°76% rain
46°76% rainForecast
3-day weather forecast
Today2026-09-26
52° 43°Light rain shower
Rain 84%Gust 28 mph
Tomorrow2026-09-27
47° 45°Light rain shower
Rain 92%Gust 27 mph
Monday2026-09-28
50° 44°Light rain shower
Rain 86%Gust 22 mph
Conditions
Weather details
Feels like39°F
Humidity93%
Pressure29.20 inHg
Visibility10 mi
Wind18 mph SW
Wind gusts29 mph
Precipitation0.03 in
UV index0
Daylight
Sunrise, sunset and moon
Sunrise08:28 AM
Sunset08:23 PM
Moonrise07:59 PM
Moon phaseFull Moon
Next 24 hours
Key weather changes ahead
Warmest hour2 PM · 52°F
Coolest hour9 AM · 43°F
Highest rain chance6 PM · 76%
Strongest gusts8 PM · 38 mph
Practical guide
Weather insights for today
Take an umbrella
Rain chance reaches about 76% over the next 12 hours.
A jacket or sweater is a good idea
It feels like 39°F with winds near 18 mph.
Best window: 11 AM
49°F, 17% rain chance and 6 mph wind.
Use extra caution while driving
Visibility is around 10 mi; gusts may reach 31 mph.
Running conditions are less comfortable
Current temperature is 46°F, wind 18 mph, rain chance up to 76%.
Low UV protection needs
UV index is 0.
Local weather characteristics in Port Heiden
Alaska spans Arctic, subarctic and maritime climates, so temperatures and precipitation can differ sharply between the coast, interior and far north.
Port Heiden is part of the West weather region. The forecast point is near 56.95°N latitude and 158.63°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Port Heiden weather today
Cloudy and 46°F in Port Heiden, AK. Today's high is 52°F with a 84% rain chance. Winds are around 18 mph with gusts near 29 mph. Relative humidity is 93%, pressure is 29.20 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Port Heiden
Sunrise is at 08:28 AM and sunset is at 08:23 PM. Tomorrow's forecast calls for Light rain shower with a high near 47°F and a low near 45°F. The maximum rain chance is 92%.
Nearby
Weather near Port Heiden
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