St. Marys River at Interstate 95 (in MHHW)
Flood levels
Official flood levels at this gauge: action stage begins at 0.5 ft; minor flooding begins at 1.0 ft; moderate flooding begins at 1.5 ft; major flooding begins at 3.0 ft.
| Action stage | 0.5 ft |
|---|---|
| Minor flooding | 1.0 ft |
| Moderate flooding | 1.5 ft |
| Major flooding | 3.0 ft |
Highest recorded crests
- 5.1 ft on Sep 10, 1964 (historic crest)
- 2.8 ft on Oct 7, 2016 (historic crest)
- 1.9 ft on Sep 21, 2020 (historic crest)
- 1.8 ft on Sep 20, 2020 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 0.5 ft | SHOULD WATER LEVELS CONTINUE RISING, PREPARATIONS TO PROTECT PROPERTY SHOULD BEGIN. |
|---|---|
| 1.0 ft | FLOODING OF LOW LYING ROADS AND CAMPGROUNDS POSSIBLE. SOME BOAT RAMPS AND DOCKS ALONG THE RIVER MAY BEGIN TO FLOOD. |
| 1.5 ft | SOME INUNDATION OF STRUCTURES AND ROADS ALONG THE RIVER BASIN IS EXPECTED. EVACUATIONS OF PEOPLE OR PROPERTY TO HIGHER GROUND IS POSSIBLE. |
| 3.0 ft | EXTENSIVE INUNDATION OF STRUCTURES AND ROADS IN THE AREA. EVACUATIONS OF PEOPLE OR TRANSFER OF PROPERTY TO HIGHER GROUND IS LIKELY. |
Forecast office: NWS Jacksonville · River Forecast Center: Southeast River Forecast Center.
St. Marys River at Interstate 95 (in MHHW) in your pocket
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Nearby stations and gauges
- Crandall NOAA tide station · 2.5 mi
- Little St. Marys River NOAA tide station · 4.4 mi
- Roses Bluff NOAA tide station · 5.4 mi
- St. Marys NOAA tide station · 6.5 mi
- Chester NOAA tide station · 8.3 mi
- Kings Bay NOAA tide station · 9.0 mi