78°F is warm water
Comfortable swimming for most people.
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.
Frequently asked
What is the water temperature at Brandywine Shoal Light right now?+
The latest reading near Brandywine Shoal Light, Delaware is about 78°F, from Cape May, ferry terminal (8 mi away). Comfortable swimming for most people.
Is the water warm enough to swim at Brandywine Shoal Light?+
At about 78°F the water is warm. Comfortable swimming for most people.
Where does Pathr's water temperature data come from?+
Water temperatures come from NOAA and NDBC sensors. When a spot has no sensor of its own, we use the nearest reporting station (here, 8 mi away). In the Pathr app the temperature shown tracks the station closest to your position on the chart.
Bridge clearances near Brandywine Shoal Light
Vertical clearance and drawbridge opening schedules for the bridges closest to Brandywine Shoal Light. Check them against your air draft before you head out.
You've got the water temp. Now get the whole chart.
Pathr shows this spot live, depth under your keel, wind, tide, and traffic, on one nautical chart.
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