Sand key
NDBC buoy sanf1
Observed , 28 minutes ago
Elevated
Tonight
Light and variable winds. Air 83°F. Next high tide at 8:32 PM (2 ft). Tonight: Southwest 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
2.9kn
Gust
5.1kn
Direction
270° W
Trend
Easing
Last 12 hours0 to 15 kn
Air temp
83°F
Last 12 hours79 to 84°F
Pressure
1013mbar
Tendency
Rising
3 hour change
+0.8 mbar
Last 12 hours1012 to 1015 mbar
Tides
Next high
8:32 PM
1.6 ft
Then low
1:55 AM
0.7 ft
Predicted, Sand Key Lighthouse, Sand Key Channel0.5 to 2 ft
Zone forecast
Tonight
Southwest Winds 5 To 10 Knots. Seas Around 1 Foot. 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. 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 Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef
Last 24 hours
Every 3 hours, over the last 12 hours. Pressure 1,012 to 1,015 mbar over the same window.
2 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 sanf1 report?
Wind, temperature and pressure update about every 10 minutes.
Can I be notified when conditions change at buoy sanf1?
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 Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef 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 sanf1 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 sanf1 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 sanf1
24°27'22" N 81°52'37" 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.