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Station LSNF1 - Long Sound, FL Image indicating link to RSS feed of recent meteorological observations for station LSNF1

Owned and maintained by Everglades National Park
Water Quality Station
25.235 N 80.457 W (25°14'7" N 80°27'25" W)

Site elevation: sea level
Sea temp depth: 1.5 m below MLLW

Water levels are referenced to local datums.  They provide relative change in water level and are not to be used for navigation.

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Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station LSNF1

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yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
(24 hours for tsunami stations)
Station LSNF1

Conditions at LSNF1 as of
(10:00 am EDT)
1400 GMT on 07/22/2026:
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Water Temperature Water Temperature (WTMP): 87.6 °F
5-day plot - Salinity Salinity (SAL): 36.04 psu
5-day plot - Tide (above MLLW) Tide (above MLLW) (TIDE): 0.06 ft
Previous observations
TIME
(EDT)		 5-day plot - Wind Direction
WDIR
 		 5-day plot - Wind Speed
WSPD
kts		 5-day plot - Wind Gust
GST
kts		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Dominant Wave Period
DPD
sec		 5-day plot - Average Wave Period
APD
sec		 5-day plot - Mean Wave Direction
MWD
 		 5-day plot - Atmospheric Pressure
PRES
in		 5-day plot - Pressure Tendency
PTDY
in		 5-day plot - Air Temperature
ATMP
°F		 5-day plot - Water Temperature
WTMP
°F		 5-day plot - Dew Point
DEWP
°F		 5-day plot - Salinity
SAL
psu		 5-day plot - Visibility
VIS
nmi		 5-day plot - Tide (above MLLW)
TIDE
ft
2026-07-22 09:00 am---------- 87.6- 36.02- 0.06
2026-07-22 08:00 am---------- 87.6- 35.74- 0.03
2026-07-22 07:00 am---------- 87.4- 35.59- 0.01
2026-07-22 06:00 am---------- 88.7- 35.72--0.02
2026-07-22 05:00 am---------- 88.3- 35.55--0.04
2026-07-22 04:00 am---------- 88.7- 35.51--0.04
2026-07-22 03:00 am---------- 88.9- 35.51--0.04
2026-07-22 02:00 am---------- 89.1- 35.57--0.03
2026-07-22 01:00 am---------- 89.4- 35.64--0.01
2026-07-22 12:00 am---------- 89.8- 35.74- 0.01
2026-07-21 11:00 pm---------- 90.3- 35.84- 0.02
2026-07-21 05:00 pm---------- 90.7- 36.12--0.02
2026-07-21 04:00 pm---------- 90.1- 36.13--0.02
2026-07-21 03:00 pm---------- 89.4- 36.19--0.01
2026-07-21 02:00 pm---------- 88.9- 36.23- 0.02
2026-07-21 01:00 pm---------- 88.2- 36.22- 0.03
2026-07-21 12:00 pm---------- 87.6- 36.21- 0.05
2026-07-21 11:00 am---------- 87.1- 36.18- 0.08
Ocean Conditions at LSNF1 as of
(10:00 am EDT)
1400 GMT on 07/22/2026:

These oceanographic data are displayed in rounded times.

     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

Depth (DEPTH): 4.9 ft
5-day plot - Ocean Temperature Ocean Temperature (OTMP):87.64 °F
5-day plot - Salinity Salinity (SAL):36.04 psu
Previous observations
TIME
(EDT)		 DEPTH
ft		 5-day plot - Ocean Temperature
OTMP
°F		 5-day plot - Conductivity
COND
mS/cm		 5-day plot - Salinity
SAL
psu		 5-day plot - Oxygen Saturation
O2%
%		 5-day plot - Oxygen Concentration
O2PPM
ppm		 5-day plot - Chlorophyll
CLCON
ug/l		 5-day plot - Turbidity
TURB
FTU		 5-day plot - pH
PH
 		 5-day plot - Eh
EH
mV
2026-07-22 09:00 am 4.987.57-36.02------
2026-07-22 08:00 am 4.987.55-35.74------
2026-07-22 07:00 am 4.987.49-35.59------
2026-07-22 06:00 am 4.988.70-35.72------
2026-07-22 05:00 am 4.988.32-35.55------
2026-07-22 04:00 am 4.988.65-35.51------
2026-07-22 03:00 am 4.988.86-35.51------
2026-07-22 02:00 am 4.989.13-35.57------
2026-07-22 01:00 am 4.989.46-35.64------
2026-07-22 12:00 am 4.989.82-35.74------
2026-07-21 11:00 pm 4.990.25-35.84------
2026-07-21 05:00 pm 4.990.64-36.12------
2026-07-21 04:00 pm 4.990.21-36.13------
2026-07-21 03:00 pm 4.989.47-36.19------
2026-07-21 02:00 pm 4.988.88-36.23------
2026-07-21 01:00 pm 4.988.18-36.22------
2026-07-21 12:00 pm 4.987.55-36.21------
2026-07-21 11:00 am 4.987.10-36.18------
Rainfall at LSNF1 as of
(10:00 am EDT)
1400 GMT on 07/22/2026:
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

* indicates interpolated rain values

Previous observations
5-day plot - Hourly Rain Accmulation -------- Ten-minute Rain Rates (Centered at hour + minutes) ---------
   TIME
(EDT)		   Hourly Accum
inches		 0
inches/hour		 10
inches/hour		 20
inches/hour		 30
inches/hour		 40
inches/hour		 50
inches/hour
2026-07-22 10:00 am0.00- - - - - - 
2026-07-22 09:00 am0.00- - - - - - 
2026-07-22 08:00 am0.00- - - - - - 
2026-07-22 07:00 am0.00- - - - - - 
2026-07-22 06:00 am0.00- - - - - - 
2026-07-22 05:00 am0.00- - - - - - 
2026-07-22 04:00 am0.00- - - - - - 
2026-07-22 03:00 am0.00- - - - - - 
2026-07-22 02:00 am0.00- - - - - - 
2026-07-22 01:00 am0.00- - - - - - 
2026-07-22 12:00 am0.00- - - - - - 
2026-07-21 11:00 pm0.00- - - - - - 
2026-07-21 05:00 pm0.00- - - - - - 
2026-07-21 04:00 pm0.00- - - - - - 
2026-07-21 03:00 pm0.00- - - - - - 
2026-07-21 02:00 pm0.00- - - - - - 
2026-07-21 01:00 pm0.00- - - - - - 
2026-07-21 12:00 pm0.00- - - - - - 
2026-07-21 11:00 am0.00- - - - - -