Castle Islands, Duncan Canal Wave Conditions
Today’s wave height and sea conditions for Castle Islands, Duncan Canal, Alaska, from the National Weather Service.
No open-water sea forecast for Castle Islands, Duncan Canal
This spot is sheltered or inland, so there’s no combined-seas value. Here’s the closest open-water forecast:
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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 Castle Islands, Duncan Canal right now?+
Castle Islands, Duncan Canal has no open-water seas forecast of its own. The closest spot that has one, Beecher Pass (7 mi away), is forecast at about 4 ft today.
Is it a good day to go out at Castle Islands, Duncan Canal?+
Wave height is one of the biggest factors in whether it's a good day on the water. There is no open-water seas forecast for Castle Islands, Duncan Canal today, so check the marine forecast for wind and any small-craft advisories before you head 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.
