90°F is very warm water
Bath-warm. Tropical swimming, watch for a heat-tired body.
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 Card Sound, western side right now?+
The latest reading near Card Sound, western side, Florida is about 90°F, from Middle Key, FL buoy MDKF1. Bath-warm. Tropical swimming, watch for a heat-tired body.
Is the water warm enough to swim at Card Sound, western side?+
At about 90°F the water is very warm. Bath-warm. Tropical swimming, watch for a heat-tired body.
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. In the Pathr app the temperature shown tracks the station closest to your position on the chart.
Bridge clearances near Card Sound, western side
Vertical clearance and drawbridge opening schedules for the bridges closest to Card Sound, western side. 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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