Grand traverse light
NDBC buoy gtlm4
Observed , 1 hour ago
Elevated
Light E winds at 6 kn gusting to 12 kn. Air 66°F. Tonight: East Wind 10 To 15 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
6kn
Gust
12kn
Direction
100° E
Trend
Easing
Last 11 hours4.1 to 14 kn
Air temp
66°F
Last 11 hours54 to 68°F
Pressure
1031mbar
Tendency
Easing
3 hour change
-0.7 mbar
Last 11 hours1031 to 1034 mbar
Zone forecast
Tonight
East Wind 10 To 15 Knots. Clear. Waves 2 Feet Or Less.
Thursday
East Wind 5 To 10 Knots. Sunny. Waves 2 Feet Or Less.
Thursday Night
Southeast Wind 5 To 10 Knots. Mostly Cloudy. Waves 2 Feet Or Less.
NWS zone Sleeping Bear Point to Grand Traverse Light MI
Last 24 hours
Every 3 hours, over the last 9 hours. Pressure 1,031 to 1,034 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 gtlm4 report?
Wind, temperature and pressure update about every 10 minutes.
Can I be notified when conditions change at buoy gtlm4?
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 Sleeping Bear Point to Grand Traverse Light MI 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 gtlm4 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 gtlm4 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 gtlm4
45°12'40" N 85°32'60" W · owned and maintained by NWS Central Region
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.