Know the Tide

Know the tide.

Hawaii & the Territories

Fish Bay

St. John · Puerto Rico · NOAA station 9751388 · Tide predictions

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

18.3192, -64.7618

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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

Vieques Island buoy · 46 mi W · Station 41056
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Nearby tide stations

About this station

Fish Bay, St. John 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.

Trade-wind shores with small mixed tides — a foot or two in Hawaii, a few feet in the Caribbean — where swell and season matter more than range.

Diurnal range0.8 ft
Mean range0.7 ft
RegionHawaii & the Territories
NOAA chart25647
Station since2020