Long sound
NDBC buoy lsnf1
Observed , 3 hours ago
Elevated
Tonight
Water 85°F. Next high tide at 12:27 AM (0 ft). Tonight: Southwest To West Winds 5 To 10 Knots.
Based on the zone forecast for tonight. This buoy does not measure wind or sea state.
It tells you it is rough now. The app tells you before it gets rough, with alerts at the wind and wave limits you set.
Get Buoycast for iPhoneWater temp
85°F
Last 9 hours84 to 85°F
Tides
Next high
12:27 AM
0.5 ft
Then low
7:24 AM
0.2 ft
Predicted, Manatee Creek, Manatee Bay, Barnes Sound0.2 to 0.5 ft
Zone forecast
Tonight
Southwest To West Winds 5 To 10 Knots. Bay Waters Smooth To A Light Chop. A Chance Of Showers And Thunderstorms.
Thursday
West To Northwest Winds Near 5 Knots, Variable At Times. Bay Waters Smooth. Showers Likely With A Chance Of Thunderstorms.
Thursday Night
West To Northwest Winds 5 To 10 Knots, Increasing To Near 10 Knots. Bay Waters Smooth To A Light Chop, Becoming A Light Chop. A Slight Chance Of Showers And Thunderstorms.
Synopsis
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas 452 PM EDT Wed Sep 23 2026
NWS zone Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound
Last 24 hours
Every 3 hours, over the last 9 hours.
4 stations within 30 NM
These are your in one place. Save the ones you run and Buoycast opens on them.
Get Buoycast for iPhoneCommon questions
How often does buoy lsnf1 report?
temperature update about every 10 minutes.
Can I be notified when conditions change at buoy lsnf1?
Buoycast Pro lets you set your own limits on wind, waves or pressure and sends a threshold notification when this buoy crosses them.
Does this page show NOAA warnings for this area?
Watches, warnings, and advisories for Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound appear alongside the conditions, here and in the app. Pro also pushes NOAA watches, warnings, and advisories when they are issued.
Can I see the forecast against what buoy lsnf1 measured?
This page shows measurements only. Buoycast Pro charts the NOAA forecast against them so you can see where the two diverge.
Can I keep buoy lsnf1 for next time?
Save it as a favorite and Buoycast opens on the buoys you run.
What this buoy measures
This buoy is not reporting wind, waves, air temperature or barometric pressure. Conditions above come from the sensors it does carry, and the forecast, tides and sun times on this page are regional rather than measured at the buoy.
Station lsnf1
25°14'06" N 80°27'25" W · owned and maintained by Everglades National Park
Measured on the water by 1,000+ NOAA buoys. Observations from the National Data Buoy Center, forecasts and advisories from the National Weather Service. Not for navigation.