Cumberland Sound at Sea Camp Dock, near St Marys water level

Name: Cumberland Sound at Sea Camp Dock, near St Marys water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Tidal gauge, Cumberland Sound, Georgia, United States

Directions

Below flood stage

Water level

-0.22ft Down 0.73 ft over the last 24 hours

Measured Oct 21, 2026, 01:00 AM EDT (46 min ago)

History

7 days

Water level Minor flood stage

What this means

Water levels are unremarkable at Cumberland Sound at Sea Camp Dock, near St Marys, where the gauge shows −0.22 ft.

It is 2.72 ft below the flood stage of 2.50 ft.

It is still going down, by 0.73 ft over the past 24 hours. The 30-day range is −2.02 ft – 3.62 ft.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 3.98 ftOctober 7, 2016

What happens at each level

4.00 ft: Major Flooding - 4.0 feet above MHHW - Major Coastal Flooding. Coastal Flood Warning needed. Extensive inundation of structures and roads in the area is expected. Evacuations of people or transfer of property to higher ground is likely and the advice of Emergency Management should be heeded. Extensive beach erosion is possible and possible breaches of the dune line, especially in lower areas and beach access areas. Significant past events: 2 October 1898 Hurricane.
3.00 ft: Moderate Flooding - 3.0 feet above MHHW - Significant Coastal Flooding begins and Coastal Flood Warning needed. Some flooding of structures and roads along the coast, St. Mary's River and other inland waterways is expected. Evacuation of people or property to higher ground is possible and the advice of Emergency Management or local officials should be heeded. Significant past events: Hurricane Dora 1964.
2.50 ft: Minor Flooding - 2.5 feet above MHHW - Coastal Flood Advisory is likely and Coastal Flood Warning Possible if significant wind and wave action drives water levels higher along the immediate coast. Flooding of low lying roads and campgrounds possible. Water levels may surge up the dune lines and into beach access areas. Some boat ramps and docks near the St. Mary's River entrance and other inland waterways may begin to flood. Significant past events: Tropical Storm Fay...Hurricane Jeanne and 11/23/1984.
2.00 ft: Action Stage - 2.0 feet above MHHW - Coastal Flood Advisory is possible if significant wind and wave action drives water levels higher along the immediate coast. Should water levels continue rising...preparations to protect property should begin.
−0.22 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Rank	Level	Date
1	3.98 ft	October 7, 2016
2	3.97 ft	November 10, 2022
3	3.63 ft	September 11, 2017
4	3.31 ft	September 29, 2022
5	3.11 ft	November 7, 2021
6	2.96 ft	October 10, 2025
7	2.96 ft	November 6, 2021
8	2.96 ft	September 11, 2017
9	2.94 ft	September 20, 2020
10	2.90 ft	September 21, 2020

Weather at the gauge

Rain in the last 3 days: 0.03 in. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 71° 53° – Wind 14 mph

21 Wed 75° 55° – Wind 12 mph

22 Thu 74° 52° – Wind 13 mph

23 Fri 76° 58° – Wind 14 mph

24 Sat 71° 64° 0.10 in, 48% Wind 18 mph

25 Sun 72° 67° 0.09 in, 34% Wind 18 mph

26 Mon 77° 67° 0.06 in Wind 16 mph

Forecast: Open-Meteo

Sunrise 07:33 AM Sunset 06:49 PM Daylight 11 hr, 16 min Waxing gibbous 74%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Nassau River near TisoniaTidal gauge, Nassau River	12.06 ft	Normal	+0.07 ft	16 mi
Satilla River at US 17, at WoodbineTidal gauge, Satilla River	−0.55 ft	Below flood stage	−0.47 ft	21 mi
Thomas Creek at Sh 115 near CallahanRiver gauge, Thomas Creek	11.87 ft	High	−0.27 ft	24 mi
Trout River near Jacksonville FlaTidal gauge, Trout River	0.27 ft	Below flood stage	−0.53 ft	27 mi
St. Johns River at JacksonvilleTidal gauge, St. Johns River	12.04 ft	High	−0.14 ft	33 mi
St Marys River at Ferry Landing near FolkstonRiver gauge, St Marys River	3.42 ft	Below flood stage	−0.87 ft	33 mi
Pottsburg Creek at Us90 near S. JacksonvilleTidal gauge, Pottsburg Creek	0.75 ft	Normal	−0.06 ft	34 mi
Pottsburg Creek near South JacksonvilleRiver gauge, Pottsburg Creek	20.03 ft	Normal	−0.03 ft	35 mi

Questions and answers

What is flood stage for the Cumberland Sound at Sea Camp Dock, near St Marys?

The official flood stage is 2.50 ft. The level is currently 2.72 ft below it.

What is the water level of Cumberland Sound at Sea Camp Dock, near St Marys today?

On Oct 21, 2026, 01:00 AM EDT, the water level was −0.22 ft. Down 0.73 ft over the last 24 hours.

Is Cumberland Sound at Sea Camp Dock, near St Marys rising or falling?

Down 0.73 ft over the last 24 hours. Down 0.35 ft over the last 7 days.

Is the level of Cumberland Sound at Sea Camp Dock, near St Marys normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Cumberland Sound at Sea Camp Dock, near St Marys?

The highest level on record is 3.98 ft on October 7, 2016.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:02228295 (Agency page)
Coordinates: 30.76433, -81.47136 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	−0.22 ft	2026-10-21 05:00	Provisional

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How to cite

U.S. Geological Survey: Cumberland Sound at Sea Camp Dock, near St Marys (usgs:02228295). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/georgia/cumberland-sound-at-sea-camp-dock-near-st-marys

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer