Alaska Tide Charts Feet

Know the water. Fish the tide.

Zapadni Bay, St. George Island tide predictions

56.5667, -169.6667 · NOAA station 9463885

Full daylight calendar for the Unalaska / Dutch Harbor area → Alaska Daylight · Northern lights forecast for Unalaska / Dutch Harbor → Alaska Aurora Forecast

Nearest buoy: Southeast Bering Sea · 139 mi SW — live wind & wave reports

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48-hour outlook

Drag across the curve to inspect any time. Weather icons show the forecast at each high tide.

7-day tides

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H = high tide · L = low tide

About this station

Zapadni Bay, St. George Island is one of NOAA's reference tide stations — its predictions are computed directly from harmonic analysis of water levels observed here, and other nearby stations are calculated from it.

Ranges shrink as you head down the chain, but the passes between islands rip hard on the change, and weather calls the shots year-round. Wind can hold water in or blow it out far beyond what the table says.

Diurnal range3.4 ft
Mean range2.3 ft
RegionAleutian Islands & Alaska Peninsula
NOAA chart16381
Station since1982

2027 tide extremes

Highest predicted high tide: 4.5 ft — Wed Jan 20 · 11:55 AM

Lowest predicted low tide: -1.4 ft — Sun Jun 6 · 11:30 AM

Biggest single-day swing: 5.6 ft on Wed Jan 20

Best daytime minus tides of 2027

DateLow tideHeight
Sun Jun 611:30 AM-1.4 ft
Sat Jun 510:39 AM-1.4 ft
Sun Jul 410:19 AM-1.4 ft
Mon Jun 712:22 PM-1.4 ft
Sat Jul 39:30 AM-1.3 ft
Sun May 912:43 PM-1.3 ft
Mon Jul 511:10 AM-1.3 ft
Mon May 101:35 PM-1.2 ft
Fri Jun 49:51 AM-1.2 ft
Sat May 811:51 AM-1.2 ft

214 minus tides (below 0 ft) are predicted here in 2027. The table shows up to the 10 lowest that fall between 7 AM and 7 PM — the ones worth planning a clam dig or tidepool walk around.

Nearest tide stations