Harbor · Eastern Aleutians

Dutch Harbor is one of the most remote and weather-exposed commercial fishing ports in the world — located on Unalaska Island in the Aleutian chain. Tidal data and marine forecasts here require extra scrutiny due to rapid Aleutian storm development.

Region
Aleutian Islands
Aleutian Islands
Forecast zone
FZAK52-PAFC
NWS Coastal Waters
Storm exposure
EXTREME
Aleutian Low track
Port rank
#1–2
US commercial fish landings
Harbor overview
Location
Aleutian Islands
Eastern Aleutians
Strong weather, swell, and current interactions — frequent rapid intensification
Marine forecast zone
FZAK52-PAFC
NWS Coastal Waters
Primary tide station
Dutch Harbor
NOAA Station · Unalaska
Tidal influence
MIXED
Semi-diurnal pattern
Strong wind-driven surge common during Aleutian storms
What this page will include

Future versions will show the Dutch Harbor tide chart from the NOAA station at Unalaska, Aleutian buoy observations from NDBC, active coastal warnings, and storm surge alerts relevant to Bering Sea and Aleutian operations.