Tanapag Harbor, Saipan Island Wave Conditions
Today’s wave height and sea conditions for Tanapag Harbor, Saipan Island, Guam, from the National Weather Service.
Rough seas near Tanapag Harbor, Saipan Island
Rough seas. Small craft should think twice.
Know before you go
Wave height, tides, and conditions for your spots, plus the occasional Pathr update. No spam.
Pathr nautical charts
Explore wave forecasts on the chart
Select a coastal location on Pathr’s nautical chart to see its National Weather Service wave forecast. These are forecast locations, not live buoy measurements; sheltered spots may have no seas forecast.
Frequently asked
How big are the waves at Tanapag Harbor, Saipan Island right now?+
The National Weather Service forecasts seas of about 7 ft near Tanapag Harbor, Saipan Island, Guam today, with 0 to 5 mph SW wind, so conditions are rough. Rough seas. Small craft should think twice.
Is it a good day to go out at Tanapag Harbor, Saipan Island?+
With seas around 7 ft, conditions are rough. Rough seas. Small craft should think twice. Always check the latest marine forecast and any small-craft advisories before heading out.
Where do these wave conditions come from?+
Wave heights on these pages come from the National Weather Service Coastal Waters Forecast for the marine zone around each spot. They are a forecast, not a measurement. In the Pathr app, the wind and waves layers are free and show right on the chart.

