Know the Tide

Know the tide.

Hawaii & the Territories

Joyuda

Puerto Rico · NOAA station 9759183 · Tide predictions

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

18.1158, -67.1832

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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

Rincon, Puerto Rico (181) buoy · 19 mi N · Station 41115
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Nearby tide stations

Plan ahead

2027 tide extremes for this station

Highest predicted high tide: 1.3 ft — Tue Nov 16 · 10:12 AM

Lowest predicted low tide: -0.3 ft — Thu Jan 21 · 12:11 AM

Biggest single-day swing: 1.5 ft on Sat Jun 5

Best daytime minus tides of 2027
DateLow tideHeight
Sat May 83:01 PM-0.3 ft
Sat Jun 51:57 PM-0.3 ft
Sun May 93:46 PM-0.3 ft
Sun Jun 62:47 PM-0.3 ft
Sun Apr 114:51 PM-0.3 ft
Sat Apr 104:06 PM-0.3 ft
Fri May 72:20 PM-0.3 ft
Fri Jun 41:10 PM-0.2 ft
Sun Mar 146:09 PM-0.2 ft
Fri Apr 233:30 PM-0.2 ft

156 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

Joyuda 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 range1.0 ft
Mean range0.7 ft
RegionHawaii & the Territories
NOAA chartUS4PR60M
Station since2020