Know the Tide

Know the tide.

Alaska

Bogoslof Island

Alaska · NOAA station 9462444 · Tide predictions

· Alaska Time · Feet / MLLW (mean lower low water)

53.9300, -168.0330

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48-hour outlook

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

The next seven days

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H = high tide · L = low tide · highs & lows in local time

On the water nearby

Last light, longer plans
Daylight calendar for Unalaska / Dutch Harbor → Alaska Daylight · Northern lights forecast for Unalaska / Dutch Harbor → Alaska Aurora Forecast

Nearby tide stations

Plan ahead

2027 tide extremes for this station

Highest predicted high tide: 5.5 ft — Wed Jan 20 · 1:23 PM

Lowest predicted low tide: -1.7 ft — Sun Jun 6 · 1:14 PM

Biggest single-day swing: 6.8 ft on Wed Jan 20

Best daytime minus tides of 2027
DateLow tideHeight
Sun Jun 61:14 PM-1.7 ft
Sat Jun 512:21 PM-1.6 ft
Sun Jul 411:59 AM-1.6 ft
Sat Jul 311:07 AM-1.6 ft
Mon Jun 72:08 PM-1.6 ft
Sun May 92:33 PM-1.5 ft
Mon May 103:29 PM-1.5 ft
Mon Jul 512:51 PM-1.5 ft
Fri Jun 411:29 AM-1.5 ft
Sat May 81:37 PM-1.4 ft

219 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.

About this station

NOAA builds the predictions for Bogoslof Island from the Unalaska station: high tides about 1.08× the height, 30 min earlier; low tides about 1.10× the height, 55 min earlier.

Alaska holds the country's most extreme tides: Inside Passage channels, Cook Inlet swings past 30 ft, and Arctic stations where the tide is measured in inches and wind setup runs the show.

RegionAlaska