Station Name: Unalaska
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 10 feet

Sensor Depth: -15 feet

Nearest Address:
599 W Broadway Ave
Unalaska, AK 99685
Aleutians West (CA) County

GPS Coordinates: 53.879194, -166.540306

Nearby Water Temperatures

Small Craft Advisory issued July 17 at 3:25AM AKDT until July 18 at 5:00PM AKDT by NWS Anchorage AK

Effective: Fri July 17, 2026, 3:25 AM
Expires: Fri July 17, 2026, 3:45 PM

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. .TODAY...S wind 30 kt. Seas 3 ft building to 5 ft in the afternoon. Rain. .TONIGHT...SW wind 20 kt becoming W 25 kt after midnight. Gusts to 35 kt after midnight. Seas 5 ft. Widespread rain showers. .SAT...W wind 30 kt. Gusts to 40 kt. Seas 9 ft. Rain showers. .SAT NIGHT...W wind 25 kt. Seas 8 ft. .SUN...W wind 15 kt. Seas 5 ft. .MON...S wind 10 kt. Seas 2 ft. .TUE...W wind 10 kt. Seas 2 ft.

Small Craft Advisory issued July 17 at 2:34PM AKDT until July 19 at 5:00AM AKDT by NWS Anchorage AK

Effective: Fri July 17, 2026, 2:34 PM
Expires: Sat July 18, 2026, 3:45 AM

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...SW wind 20 kt becoming W 30 kt after midnight. Seas 4 ft. Widespread rain showers. .SAT...W wind 30 kt. Gusts to 40 kt. Seas 7 ft. Rain showers. .SAT NIGHT...NW wind 25 kt. Seas 4 ft. .SUN...W wind 15 kt. Seas 2 ft. .SUN NIGHT...SW wind 10 kt. Seas 2 ft. .MON...S wind 10 kt. Seas 2 ft. .TUE...W wind 10 kt. Seas 2 ft. .WED...S wind 10 kt. Seas 2 ft.