Waterlands
Lostmans River
USGS · 02290918
LOSTMANS RIVER
USGS · 02290918LIVE

LOSTMANS RIVER BELOW SECOND BAY, FL

MONROE COUNTY, FL25.5556°N, -81.1647°W Updated 19 min ago
FLOW RATE
12,800cfs
GAUGE HT
0.01ft
AIR TEMP
81°F
WIND
13mph NE
FISH INDEX
50SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
12,800cfs 740.4% vs avg
Optimal band: 8,92512,075 cfs
PERIOD HIGH
15,000cfs
PERIOD LOW
539cfs
RUNNABLE
41%
last 1 day in band

Gauge Height

0.01ft
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

15.9in

≈ normal

15.92 in of precipitation so far this year — about average for this point in the season (normal 15.44 in).

YTD Total

15.9in

This year so far

Normal to Date

15.4in

30-yr average

Typical Range

9.4–21.5in

10th–90th pct YTD

Departure

+3%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 0.68" · normal 1.33" (0.2–2.5)
Jan
Feb: 0.44" · normal 1.31" (0.3–2.4)
Feb
Mar: 3.05" · normal 1.38" (0.3–2.7)
Mar
Apr: 1.98" · normal 1.67" (0.5–3.1)
Apr
May: 4.50" · normal 3.32" (0.6–5.3)
May
Jun: 5.09" · normal 6.34" (3.5–10.1)
Jun
Jul: 0.19" (so far)· normal 4.60" (2.8–6.2)
Jul
Aug: normal 5.60" (3.4–7.8)
Aug
Sep: normal 6.01" (3.2–8.8)
Sep
Oct: normal 3.43" (1.0–7.3)
Oct
Nov: normal 1.27" (0.2–2.5)
Nov
Dec: normal 1.11" (0.2–2.3)
Dec
Baseline 19912020 · Source: Open-Meteo10:49 PM
Your History · LOSTMANS RIVER BELOW SECOND BAY, FL

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Weather Conditions
WEATHER CONDITIONS
TODAY
88°
76°
THU
86°
74°
FRI
88°
74°
SAT
89°
76°
SUN
89°
78°
MON
90°
78°
TUE
89°
79°
TIME
WED
11
NOW
THU
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
FRI
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SAT
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SUN
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
TEMP
hourly forecast
77°
mild
77°
76°
76°
75°
75°
75°
74°
74°
74°
77°
80°
82°
84°
86°
84°
82°
84°
85°
83°
83°
79°
78°
77°
77°
77°
76°
76°
75°
75°
75°
74°
74°
74°
77°
81°
81°
82°
83°
84°
85°
88°
87°
83°
80°
80°
76°
76°
77°
77°
77°
77°
76°
76°
77°
77°
77°
77°
79°
83°
85°
87°
87°
88°
88°
88°
89°
89°
88°
86°
84°
82°
81°
80°
80°
79°
79°
79°
79°
78°
78°
79°
81°
83°
83°
83°
85°
86°
87°
88°
88°
89°
89°
86°
85°
82°
81°
80°
79°
79°
79°
79°
79°
79°
78°
78°
80°
82°
85°
87°
87°
87°
87°
88°
89°
90°
WIND
mph · gust · dir
3mph NE
G 6 mph
3
G6
NE
3
G7
NNW
4
G8
NE
3
G8
NE
2
G7
NE
3
G8
NE
2
G6
NNE
3
G8
NNE
3
G11
NNE
5
G11
NE
5
G9
ENE
5
G7
ESE
5
SSE
2
G3
ESE
9
G11
SW
1
G6
N
7
G8
WSW
7
G9
SW
5
G9
WSW
4
G5
NNW
5
G7
ENE
7
G11
N
5
G8
ENE
2
G6
E
4
G9
NE
3
G7
E
3
G8
ESE
3
G8
E
3
G8
E
1
G7
SSE
1
G9
SW
4
G9
NE
3
G9
ENE
4
G9
E
4
G9
ESE
11
G13
WNW
5
G8
NNW
12
G16
W
6
G7
W
5
WSW
5
G6
WSW
7
G11
SW
11
SSW
8
SSW
3
G6
SE
7
G9
NE
7
G10
N
8
G12
NE
5
G6
E
6
E
8
E
7
E
6
E
5
ESE
5
E
5
E
6
E
5
G7
E
6
G9
ESE
7
G8
SE
6
G8
SSE
6
G7
S
6
G7
SSW
7
SSW
8
SW
8
SW
10
SW
9
SSW
7
G10
SSW
4
G8
S
7
G13
SSE
7
SE
7
G13
SE
8
G11
SE
8
G12
ESE
7
G8
ESE
8
SE
8
ESE
8
ESE
7
G8
ESE
7
G9
ESE
7
G12
ESE
8
G12
SE
8
G11
SE
6
G9
SE
6
G8
SE
5
G9
SSE
3
G9
S
6
G10
WSW
10
WSW
11
SSW
10
G13
S
11
G12
S
9
G16
SSE
8
G17
ESE
8
G17
ESE
7
G17
E
8
G14
ESE
8
G12
ESE
9
G15
ESE
8
G14
ESE
7
ESE
7
ESE
6
ESE
7
E
6
G8
ESE
7
G9
ESE
8
G10
ESE
8
G10
SE
6
G10
SSE
6
G9
SSW
8
G9
SW
7
G8
SSW
7
G8
SSW
7
G9
SSE
PRECIP
chance %
9%
9%
5%
5%
6%
7%
7%
7%
8%
9%
12%
13%
14%
12%
14%
18%
25%
32%
30%
33%
35%
27%
26%
21%
21%
14%
10%
9%
8%
4%
3%
8%
7%
7%
7%
39%
39%
39%
39%
39%
39%
69%
69%
69%
69%
69%
69%
22%
22%
22%
22%
22%
22%
13%
13%
13%
13%
13%
13%
38%
38%
38%
38%
38%
38%
84%
84%
84%
84%
84%
84%
24%
24%
24%
24%
24%
24%
18%
18%
18%
18%
18%
18%
43%
43%
43%
43%
43%
43%
76%
76%
76%
76%
76%
76%
12%
12%
12%
12%
12%
12%
8%
8%
8%
8%
8%
8%
31%
31%
31%
31%
31%
31%
67%
67%
67%
CLOUDS
cover %
100%
overcast
100%
100%
100%
77%
66%
16%
1%
0%
0%
0%
3%
32%
28%
39%
100%
100%
100%
99%
100%
100%
100%
100%
100%
100%
100%
100%
97%
100%
100%
94%
100%
92%
28%
23%
9%
98%
99%
95%
98%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
21%
31%
100%
100%
100%
100%
19%
18%
87%
100%
100%
100%
15%
7%
7%
76%
64%
100%
100%
89%
100%
100%
100%
100%
100%
100%
100%
100%
100%
38%
9%
16%
100%
100%
0%
36%
0%
5%
5%
0%
0%
0%
11%
10%
16%
60%
77%
92%
100%
94%
81%
71%
69%
71%
69%
PRESSURE
hPa · trend
1015
10151015101810171017101810181016101810161017101510171015101810151018101710181017
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
50
Temperature
Too Hot
Wind
Moderate
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
06:37 AM
SUNSET
08:19 PM
13H 42M OF DAYLIGHT0H 0M REMAINING
MOON PHASE
Waning Gibbous
96% illuminated

Station Location

25.5556, -81.1647
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-01 22:49 UTC
Site #02290918·USGS

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