St. Marys River at Moniac
Flood levels
Official flood levels at this gauge: action stage begins at 10.0 ft; minor flooding begins at 12.0 ft; moderate flooding begins at 15.0 ft; major flooding begins at 17.0 ft.
| Action stage | 10.0 ft |
|---|---|
| Minor flooding | 12.0 ft |
| Moderate flooding | 15.0 ft |
| Major flooding | 17.0 ft |
Highest recorded crests
- 23.0 ft on Apr 5, 1973 (historic crest)
- 19.9 ft on Sep 19, 1928 (historic crest)
- 19.1 ft on Aug 24, 2008 (historic crest)
- 18.7 ft on Jun 28, 2012 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 12.0 ft | Bethea State Forest campground sites begin to flood on the Florida side just north of the gage. |
|---|---|
| 14.0 ft | Bethea State Forest campground sites completely flooded on Florida side and water begins to enter campground parking lot. |
| 15.0 ft | Flooding begins to impact Mocassin Creek Circle on Florida side with some portions of the road becoming cut-off. Access roads on both sides of the river in Florida and Georgia begin to flood. |
| 17.0 ft | Trailers and houses on both sides of the river become endangered. |
Forecast office: NWS Jacksonville · River Forecast Center: Southeast River Forecast Center.
St. Marys River at Moniac in your pocket
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Nearby stations and gauges
- St. Marys River near Macclenny NWS gauge · 14.1 mi
- St. Marys River at Traders Hill NWS gauge · 22.1 mi
- Suwannee River at Fargo NWS gauge · 22.6 mi
- Thomas Creek (FL) at SR 115 near Callahan (in NAVD88) NWS gauge · 27.7 mi
- Suwannee River near Benton (in NAVD88) NWS gauge · 28.9 mi
- Thomas Creek (in NAVD88) NWS gauge · 29.7 mi