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Nassau River, Florida

NASSAU RIVER NEAR TISONIA, FL

USGS 02231291

Caution: High water: fish the edges; wading risky

No water temperature here.

Discharge: 18,100 ft³/s
Gauge height: 12.1 ft

Highest for this date on record for Nov 5 Falling · 24 h Below NWS action stage

Last 7 days

View data as a table

Discharge, last 7 days: readings, about hourly, newest first. USGS provisional data may be revised.
Time	Discharge (ft³/s)	Gauge height (ft)
Nov 5, 10:30 PM EST	18,100	12.1
Nov 5, 9:30 PM EST	6,650	12.8
Nov 5, 3:00 PM EST	266	–
Nov 5, 2:00 PM EST	13,500	–
Nov 5, 1:00 PM EST	18,000	–
Nov 5, 12:00 PM EST	20,000	–
Nov 5, 11:00 AM EST	18,300	–
Nov 5, 10:00 AM EST	14,200	–
Nov 5, 9:00 AM EST	1,060	–
Nov 5, 2:30 AM EST	449	10.8
Nov 5, 1:30 AM EST	13,800	9.91
Nov 5, 12:30 AM EST	19,400	10.3
Nov 4, 11:30 PM EST	20,300	11
Nov 4, 10:30 PM EST	20,600	11.8
Nov 4, 9:30 PM EST	14,200	12.5
Nov 4, 8:30 PM EST	2,650	13.1
Nov 4, 2:00 PM EST	1,960	–
Nov 4, 1:00 PM EST	15,000	–
Nov 4, 12:00 PM EST	18,500	–
Nov 4, 11:00 AM EST	21,300	–
Nov 4, 10:00 AM EST	18,400	–
Nov 4, 9:00 AM EST	12,600	–
Nov 4, 1:45 AM EST	568	11.3
Nov 4, 12:45 AM EST	13,400	10.6
Nov 3, 11:45 PM EST	19,400	10.9
Nov 3, 10:45 PM EST	20,900	11.6
Nov 3, 9:45 PM EST	19,200	12.3
Nov 3, 8:45 PM EST	12,600	12.9
Nov 3, 7:45 PM EST	3,870	13.5
Nov 3, 1:15 PM EST	583	12.3
Nov 3, 12:15 PM EST	13,400	11.1
Nov 3, 11:15 AM EST	18,300	11
Nov 3, 10:15 AM EST	21,200	11.6
Nov 3, 9:15 AM EST	18,700	12.2
Nov 3, 8:15 AM EST	12,800	12.8
Nov 3, 7:15 AM EST	1,190	13.4
Nov 3, 1:00 AM EST	595	–
Nov 3, 12:00 AM EST	13,900	–
Nov 2, 11:00 PM EST	19,800	–
Nov 2, 10:00 PM EST	19,900	–
Nov 2, 9:00 PM EST	17,100	–
Nov 2, 8:00 PM EST	12,900	–
Nov 2, 7:00 PM EST	3,070	–
Nov 2, 12:00 PM EST	1,090	–
Nov 2, 11:00 AM EST	14,300	–
Nov 2, 10:00 AM EST	18,900	–
Nov 2, 9:00 AM EST	22,000	–
Nov 2, 8:00 AM EST	18,000	–
Nov 2, 7:00 AM EST	11,000	–
Nov 1, 11:45 PM EST	2,590	11.8
Nov 1, 10:45 PM EST	15,500	11.2
Nov 1, 9:45 PM EST	21,200	11.6
Nov 1, 8:45 PM EST	21,200	12.2
Nov 1, 7:45 PM EST	17,400	12.8
Nov 1, 6:45 PM EST	12,300	13.3
Nov 1, 5:45 PM EST	211	13.9
Nov 1, 10:30 AM EST	2,370	11.4
Nov 1, 9:30 AM EST	14,400	10.7
Nov 1, 8:30 AM EST	19,300	11.2
Nov 1, 7:30 AM EST	20,200	11.8
Nov 1, 6:30 AM EST	17,400	12.4
Nov 1, 5:30 AM EST	9,070	13
Oct 31, 11:45 PM EDT	678	11.5
Oct 31, 10:45 PM EDT	16,100	10.9
Oct 31, 9:45 PM EDT	19,600	11.3
Oct 31, 8:45 PM EDT	21,000	11.9
Oct 31, 7:45 PM EDT	19,100	12.5
Oct 31, 6:45 PM EDT	12,200	13.1
Oct 31, 5:45 PM EDT	2,830	13.7
Oct 31, 10:30 AM EDT	1,400	11.2
Oct 31, 9:30 AM EDT	15,800	10.3
Oct 31, 8:30 AM EDT	20,400	10.7
Oct 31, 7:30 AM EDT	21,300	11.4
Oct 31, 6:30 AM EDT	19,700	12.1
Oct 31, 5:30 AM EDT	14,600	12.7
Oct 31, 4:30 AM EDT	960	13.3
Oct 30, 11:15 PM EDT	599	12.6
Oct 30, 10:15 PM EDT	12,900	11.5
Oct 30, 9:15 PM EDT	19,300	11.1
Oct 30, 8:15 PM EDT	21,900	11.6
Oct 30, 7:15 PM EDT	20,500	12.2
Oct 30, 6:15 PM EDT	17,900	12.9
Oct 30, 5:15 PM EDT	7,970	13.4
Oct 30, 9:45 AM EDT	2,230	11.4
Oct 30, 8:45 AM EDT	17,000	10.8
Oct 30, 7:45 AM EDT	21,300	11.2
Oct 30, 6:45 AM EDT	23,200	11.9
Oct 30, 5:45 AM EDT	19,500	12.5
Oct 30, 4:45 AM EDT	14,200	13.1
Oct 30, 3:45 AM EDT	2,830	13.7
Oct 30, 3:30 AM EDT	761	13.7

Reading Nov 5, 10:30 PM EST · checked 10:55 PM EST

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Tides near Nassau River

Tide predictions predictions for NOAA station Mink Creek entrance (8720119), 1.1 miles from this water in a straight line. Times are local time at the station; heights in feet above mean lower low water.

Thu, Nov 5
- Low 1:02 AM 0.68 ft
- High 6:46 AM 4.92 ft
- Low 1:34 PM 0.8 ft
- High 7:03 PM 4.77 ft
Fri, Nov 6
- Low 1:51 AM 0.53 ft
- High 7:37 AM 5.1 ft
- Low 2:28 PM 0.7 ft
- High 7:51 PM 4.72 ft
Sat, Nov 7
- Low 2:37 AM 0.42 ft
- High 8:24 AM 5.22 ft
- Low 3:18 PM 0.62 ft
- High 8:35 PM 4.66 ft

Predictions are astronomical tide tables; wind and pressure move real water levels. Station predictions page

Regulations, guides and shops for Nassau River

Checked Nov 5, 10:55 PM EST; readings refresh at most every 15 minutes and statistics daily. Provisional USGS data can be revised. Conditions change: re-check before you go. This is general guidance, not a fishing forecast, a safety guarantee or a statement about access.

Reading the gauges…

Quick picks: our 2,852 waters by state

Each state opens its USGS gauges and our water pages there; a water opens the live cards for its gauges, or the NOAA tides for flats and surf.

Search covers 11,178 USGS stream gauges that reported discharge, gauge height or water temperature in the 183 days before 2026-10-23 (USGS series catalog); readings are fetched live when a gauge is shown.

Where these numbers come from

Discharge, gauge height, water temperature and water quality: U.S. Geological Survey readings (provisional, can be revised), cached for 15 minutes. Where USGS publishes a gauge’s flow only once a day, the latest daily mean is shown with its date.
Normal range: the 25th to 75th percentile of daily mean flow for the same calendar day over the gauge’s record (USGS daily statistics), classed as USGS does (hyswap).
Temperature guidance for trout quotes the gauge’s own state fish and wildlife agency; where we found none, it says so and quotes federal guidance (National Park Service, U.S. Fish and Wildlife Service). Cold-water safety quotes the NWS; dissolved oxygen and pH are read against EPA criteria. Each line names its source.
Flood stage and forecasts: the National Weather Service’s National Water Prediction Service and its Turn Around Don’t Drown guidance. Tides: NOAA Tides & Currents.

General guidance, not a fishing forecast, a safety guarantee or a statement about access. Planning a trip? The trip planner shows these readings on every day you fish a water.