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St. Johns River level at Mayport, Florida

St. Johns River at Mayport, Duval County. What the river is doing here now, read from public gauges.

River level now

Mayport, Florida

St. Johns River at Mayport

Minor flood

Tidal
River level, ft above MHHW
1.92 ftOct 24, 8:36 PM EDT

The level here rises and falls with the tide twice a day, so it gets no rising or falling arrow. See the tide table for the next highs and lows.

The last 30 days

River level at Mayport, the last 30 daysHourly levels from -4.29 ft to 1.78 ft; latest 1.78 ft at Oct 24, 8:00 PM EDT; flood stages Action stage 1.3 ft, Minor flood 1.8 ft, Moderate flood 2.3 ft, Major flood 3.3 ft.

Hourly level (National Weather Service)

Feet above MHHW (mean higher high water).

Flood stages (NWS): Action stage 1.3 ft, Minor flood 1.8 ft, Moderate flood 2.3 ft, Major flood 3.3 ft.

Official forecast

The National Weather Service doesn't issue a forecast for this stretch. Alerts here are based on the observed level.

This page reports what the gauge reads; it is not an official warning. The National Weather Service page for this gauge has the official forecast and flood stages. Follow your county's emergency management for what to do.

Tides

High and low tides for the next 48 hours, predicted by NOAA for station 8720218 (Mayport). Heights in feet above mean lower low water (MLLW).
TimeTideHeight
Oct 25, 1:49 AM EDTLow0.37 ft
Oct 25, 8:24 AM EDTHigh5.88 ft
Oct 25, 2:25 PM EDTLow0.56 ft
Oct 25, 8:46 PM EDTHigh5.32 ft
Oct 26, 2:30 AM EDTLow0.18 ft
Oct 26, 9:10 AM EDTHigh6.08 ft
Oct 26, 3:11 PM EDTLow0.46 ft

These tide heights start from a different zero (MLLW, mean lower low water) than the river level above (MHHW, mean higher high water), so the two numbers can't be compared.

Weather

Wind at Mayport, measured

NE 23 kt (26 mph), gusts 30 kt (34 mph)Oct 24, 8:54 PM EDT

National Weather Service forecast for Mayport

Oct 24, 8:07 PM EDT

  • TonightShowers And Thunderstorms. Low 68°F. Wind NE 25 to 30 mph.
  • SundayChance Rain Showers. High 73°F. Wind NE 22 to 28 mph.
  • Sunday NightRain Showers Likely. Low 67°F. Wind NE 21 to 28 mph.
  • MondayChance Rain Showers. High 73°F. Wind NE 20 to 24 mph.

NWS alerts

  • Coastal Flood Warning, until Oct 26, 8:00 PM EDT.Coastal Flood Warning issued October 24 at 12:23PM EDT until October 26 at 8:00PM EDT by NWS Jacksonville FL
  • Rip Current Statement, until Oct 26, 8:00 PM EDT.Rip Current Statement issued October 24 at 12:23PM EDT until October 26 at 8:00PM EDT by NWS Jacksonville FL
  • High Surf Advisory, until Oct 26, 8:00 PM EDT.High Surf Advisory issued October 24 at 12:23PM EDT until October 26 at 8:00PM EDT by NWS Jacksonville FL
  • Wind Advisory, until Oct 25, 1:00 AM EDT.Wind Advisory issued October 24 at 12:18PM EDT until October 25 at 1:00AM EDT by NWS Jacksonville FL

Full forecast and hazards for Mayport: National Weather Service