Know the Tide

Know the tide.

Hawaii & the Territories

Puerto Maunabo

Puerto Rico · NOAA station 9754487 · Tide predictions

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

17.9914, -65.8888

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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 · 34 mi NE · Station 41056
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Nearby tide stations

Plan ahead

2027 tide extremes for this station

Highest predicted high tide: 1.0 ft — Tue Dec 14 · 11:08 AM

Lowest predicted low tide: -0.4 ft — Sat Jun 5 · 12:53 PM

Biggest single-day swing: 1.3 ft on Sat Jul 3

Best daytime minus tides of 2027
DateLow tideHeight
Sat Jun 512:53 PM-0.4 ft
Fri Jun 412:13 PM-0.4 ft
Sat May 81:33 PM-0.4 ft
Sun May 92:07 PM-0.4 ft
Fri May 71:00 PM-0.4 ft
Sun Jun 61:31 PM-0.4 ft
Fri Jul 211:20 AM-0.4 ft
Sat Jul 312:09 PM-0.4 ft
Fri May 2112:58 PM-0.3 ft
Thu Jun 311:34 AM-0.3 ft

180 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

Puerto Maunabo 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 range0.7 ft
Mean range0.7 ft
RegionHawaii & the Territories
NOAA chart25659
Station since2020