St. Lucie Canal below S-308, near Port Mayaca (Aux) water level

Name: St. Lucie Canal below S-308, near Port Mayaca (Aux) water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Canal gauge, St. Lucie Canal, Florida, United States

Directions

High for late October

Water level

14.43ft Up 0.79 ft over the last 24 hours

Measured Oct 21, 2026, 05:45 AM EDT (30 min ago)

Flow: 4.1 cfs

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

High water at St. Lucie Canal below S-308, near Port Mayaca (Aux): the latest reading is 14.43 ft, above normal for late October.

That puts it 0.37 ft above the median of 14.06 ft for late October, based on 33 years of readings. A year ago it stood at 13.77 ft (+0.66 ft).

It is on the way up, by 0.79 ft over the past 24 hours. If the rise continues, low-lying paths and riverside parking can go under water. The 30-day range is 13.64 ft – 14.44 ft.

Compared with 33 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 14.06 ft0.37 ft above the median for this date
Normal for this date: 13.01 ft – 14.68 ft8 years in 10 fall in this range (33 years of records)
Same day last year: 13.77 ft+0.66 ft
Lowest and highest in 30 days: 13.64 ft – 14.44 ft
Lowest and highest in 12 months: 11.49 ft – 14.85 ft

Weather at the gauge

Rain in the last 3 days: 0.10 in. Rain that falls upstream can take hours or days to show up at a river gauge.

21 Wed 84° 65° – Wind 13 mph

22 Thu 81° 68° – Wind 13 mph

23 Fri 80° 69° – Wind 19 mph

24 Sat 80° 73° 0.27 in, 47% Wind 22 mph

25 Sun 81° 74° 0.50 in, 57% Wind 26 mph

26 Mon 82° 75° – Wind 20 mph

27 Tue 81° 73° 0.05 in Wind 18 mph

Forecast: Open-Meteo

Sunrise 07:26 AM Sunset 06:49 PM Daylight 11 hr, 23 min Waxing gibbous 76%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Levee 8 Canal near Canal PointCanal gauge, Levee 8 Canal	12.95 ft	Low	−0.09 ft	4.7 mi
Mosquito Creek near OkeechobeeRiver gauge, Mosquito Creek	20.01 ft	Normal	−0.12 ft	20 mi
Hillsboro Canal below S351 near South Bay FlaCanal gauge, Hillsboro Canal	10.44 ft	Normal	−0.18 ft	21 mi
North New River Canal below S351 near South Bay FlaCanal gauge, North New River Canal	10.42 ft	Normal	−0.19 ft	21 mi
St Lucie Canal above S-80 near StuartCanal gauge, St Lucie Canal	12.83 ft	High	+0.60 ft	22 mi
Miami Canal at S-354 and S-3 at Lake HarborCanal gauge, Miami Canal	10.81 ft	Normal	−0.24 ft	23 mi
Wolff Creek near OkeechobeeRiver gauge, Wolff Creek	20.44 ft	Normal	−0.02 ft	24 mi
Industrial Canal at ClewistonCanal gauge, Industrial Canal	12.75 ft	Very low	−0.04 ft	24 mi

Questions and answers

How does the St. Lucie Canal below S-308, near Port Mayaca (Aux) compare with last year?

It is 0.66 ft higher than on the same day last year, when the reading was 13.77 ft.

What is a normal level for the St. Lucie Canal below S-308, near Port Mayaca (Aux) in late October?

The median for late October is 14.06 ft. In 8 years out of 10 the reading falls between 13.01 ft and 14.68 ft, based on 33 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of St. Lucie Canal below S-308, near Port Mayaca (Aux) today?

On Oct 21, 2026, 05:45 AM EDT, the water level was 14.43 ft. Up 0.79 ft over the last 24 hours.

Is St. Lucie Canal below S-308, near Port Mayaca (Aux) rising or falling?

Up 0.79 ft over the last 24 hours. Up 0.11 ft over the last 7 days.

Is the level of St. Lucie Canal below S-308, near Port Mayaca (Aux) normal?

High for late October. Compared with 33 years of daily readings for this time of year.

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.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:02276877 (Agency page)
Coordinates: 26.98553, -80.61560 (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	14.43 ft	2026-10-21 09:45	Provisional
Flow	4.1 cfs	2026-10-21 09:45	Provisional

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How to cite

U.S. Geological Survey: St. Lucie Canal below S-308, near Port Mayaca (Aux) (usgs:02276877). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/florida/st-lucie-canal-below-s-308-near-port-mayaca-aux

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