Long key
NDBC buoy lonf1
Observed , 37 minutes ago
Elevated
Tonight
Light NNE winds at 4 kn gusting to 6 kn, building. Air 82°F. Next low tide at 1:29 AM (0 ft). Tonight: Southwest To West Winds 5 To 10 Knots.
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 iPhoneWind
Speed
4.1kn
Gust
6kn
Direction
20° NNE
Trend
Easing
Last 11 hours1.9 to 14 kn
Air temp
82°F
Last 11 hours79 to 84°F
Pressure
1012mbar
Tendency
Rising
3 hour change
+0.9 mbar
Last 11 hours1011 to 1015 mbar
Tides
Next low
1:29 AM
0.3 ft
Then high
8:00 AM
1.8 ft
Predicted, Long Key, western end0.2 to 1.8 ft
Zone forecast
Tonight
Southwest To West Winds 5 To 10 Knots. Seas 1 Foot Or Less. Nearshore Waters Smooth To A Light Chop. A Chance Of Showers And Thunderstorms.
Thursday
West To Northwest Winds Near 5 Knots. Seas 1 Foot Or Less. Nearshore Waters Smooth. A Chance Of Showers And Thunderstorms.
Thursday Night
West To Northwest Winds 5 To 10 Knots, Becoming North. Seas Around 1 Foot. Nearshore Waters Smooth To A Light Chop. A 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 Bayside and Gulf side from Craig Key to West End of Seven Mile Bridge
Last 24 hours
Every 3 hours, over the last 12 hours. Pressure 1,011 to 1,015 mbar over the same window.
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 lonf1 report?
Wind, temperature and pressure update about every 10 minutes.
Can I be notified when conditions change at buoy lonf1?
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 Bayside and Gulf side from Craig Key to West End of Seven Mile Bridge 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 lonf1 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 lonf1 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 waves or water temperature. 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 lonf1
24°50'38" N 80°51'50" W · owned and maintained by NDBC
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.