75°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.
Pathr nautical charts
Explore water temperatures on the chart
Select a coastal location on Pathr’s nautical chart to check the latest available NOAA or NDBC water temperature. Readings may come from a nearby sensor when a spot has none of its own.
Nearby water temperatures
Frequently asked
What is the water temperature at Rainbow Bridge right now?+
The latest reading near Rainbow Bridge, Texas is about 75°F, from Port Arthur (8 mi away). Comfortable swimming for most people.
Is the water warm enough to swim at Rainbow Bridge?+
At about 75°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 Rainbow Bridge
Vertical clearance and drawbridge opening schedules for the bridges closest to Rainbow Bridge. Check them against your air draft before you head out.
