Water temp now
66°F
Cool
San Nicolas Island, CA (067) buoy 46219, 23 mi away
66°F is cool water
A 3mm wetsuit keeps most swimmers comfortable.
Sea temperature drives everything from what fish are biting to how long you can safely stay in. It lags the air by weeks, so a warm day doesn’t mean warm water. Check it before you swim, dive, or head out.
Know before you go
Water temps, tides, and conditions worth knowing for your spots, plus the occasional PATHR update. No spam.
Sea temp, tides & weather on one chart
Pathr pulls water temperature, tides, wind, and depth-aware routing onto official NOAA charts. Free to try on iOS.
Founding Crew
These tools are free because a tiny team built them.
Tide charts, marine forecasts, and fishing times, all free and ad-free. Founding members keep them coming and get a real vote on what we build next.
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