Glrc observatory
NDBC buoy grcm4
Observed , 4 hours ago
Challenging
Small Craft Advisory in effect. Moderate NE winds at 11 kn, building. Air 62°F. Late This Afternoon: East Wind 10 To 15 Knots With Gusts Up To 22 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 iPhoneSmall Craft Advisory
Small Craft Advisory issued September 23 at 2:30PM EDT until September 23 at 9:00PM EDT by NWS Marquette MI
* WHAT...East winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...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 9 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft.
Pro also pushes NOAA watches, warnings, and advisories when they are issued.
Get Buoycast for iPhoneWind
Speed
11kn
Direction
50° NE
Trend
Rising
Last 8 hours1.9 to 11 kn
Air temp
62°F
Last 8 hours46 to 62°F
Zone forecast
Late This Afternoon
East Wind 10 To 15 Knots With Gusts Up To 22 Knots. Sunny. Waves 1 To 2 Feet Building To 2 To 3 Feet.
Tonight
Southeast Wind 10 To 15 Knots Veering South Less Than 10 Knots By Midnight. Gusts Up To 24 Knots. Mostly Clear. Waves Subsiding To 1 To 2 Feet.
Thursday
South Wind Less Than 10 Knots Backing East Late. Gusts Up To 19 Knots. Partly Cloudy Through Early Afternoon Then Becoming Cloudy. Waves 1 To 2 Feet.
NWS zone Point Isabelle to Lower Entrance of Portage Canal MI
Last 24 hours
Every 3 hours, over the last 9 hours.
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 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.