Offshore st. petersburg
NDBC buoy 42099
Observed , 1 hour ago
Elevated
Tonight
Light chop seas at 2 ft with 4 second dominant period from the ESE. Water 87°F. Tonight: NE to E Winds 10 to 15 Kt.
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 iPhoneWaves
2ft
Period
4 s
Direction
117° ESE
Last 11 hours1.3 to 2.3 ft
Water temp
87°F
Last 11 hours87 to 87°F
Zone forecast
Tonight
NE to E Winds 10 to 15 Kt. Seas 3 Ft or Less. Scattered Showers And Isolated Tstms.
Thu
NE Winds 10 to 15 Kt. Seas 2 to 4 Ft.
Thu Night
NE Winds 15 to 20 Kt. Seas 2 to 4 Ft.
Synopsis
Synopsis for the Gulf of America 305 PM EDT Wed Sep 23 2026
NWS zone NE Gulf N of 26N E of 87W
Last 24 hours
Every 3 hours, over the last 9 hours.
Common questions
How often does buoy 42099 report?
temperature update about every 10 minutes. Wave height and period update about every 30 minutes.
Can I be notified when conditions change at buoy 42099?
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 NE Gulf N of 26N E of 87W 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 42099 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 42099 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, 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 42099
27°21'07" N 84°16'30" W · owned and maintained by SCRIPPS
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.