Glrc observatory
NDBC buoy grcm4
Observed , 2 hours ago
Hazardous
Gale Warning in effect. Fresh SW winds at 17 kn, building. Air 49°F. Rest of Today: Northwest wind 20 to 25 knots with gale force gusts up to 40 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 iPhoneGale Warning
Gale Warning issued November 8 at 11:00AM EST until November 8 at 7:00PM EST by NWS Marquette MI
* WHAT...Northwest winds 15 to 25 kt with gusts up to 40 kt and waves 4 to 7 ft occurring. * WHERE...Eagle River to Manitou Island MI, Manitou Island to Point Isabelle MI, Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 7 PM EST this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.
Pro also pushes NOAA watches, warnings, and advisories when they are issued.
Get Buoycast for iPhoneWind
Speed
17kn
Direction
230° SW
Trend
Rising
Last 10 hours2.9 to 17 kn
Air temp
49°F
Last 10 hours48 to 51°F
Zone forecast
Rest of Today
Northwest wind 20 to 25 knots with gale force gusts up to 40 knots. Cloudy. Waves 2 to 4 feet subsiding to 2 to 3 feet.
Tonight
Northwest wind 15 to 20 knots with gusts up to 31 knots diminishing to 5 to 15 knots with gusts up to 31 knots by midnight. Cloudy. Waves subsiding to 1 to 2 feet.
Monday
Southwest wind less than 10 knots with gusts up to 17 knots. Cloudy. A slight chance of rain showers in the afternoon. Waves calm to 1 foot.
NWS zone Point Isabelle to Lower Entrance of Portage Canal MI
Last 24 hours
Every 3 hours, over the last 9 hours.
Common questions
How often does buoy grcm4 report?
Wind and temperature update about every 10 minutes.
Can I be notified when conditions change at buoy grcm4?
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 Point Isabelle to Lower Entrance of Portage Canal 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 grcm4 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 grcm4 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, water 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 grcm4
47°07'16" N 88°32'42" W · owned and maintained by Michigan Technological University
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.