Grand marais
NDBC buoy grmm4
Observed , 1 hour ago
Elevated
Fresh E winds at 17 kn gusting to 19 kn. Late This Afternoon: 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
17kn
Gust
19kn
Direction
80° E
Trend
Rising
Last 11 hours2.9 to 17 kn
Zone forecast
Late This Afternoon
East Wind 10 To 15 Knots. Sunny. Waves 1 To 2 Feet.
Tonight
Southeast Wind 5 To 15 Knots. Clear. Waves 1 To 2 Feet.
Thursday
Southeast Wind 10 To 15 Knots Becoming 5 To 15 Knots By Late Morning. Mostly Sunny. Waves Calm To 1 Foot.
NWS zone Grand Marais to Whitefish Point MI
Last 24 hours
Every 3 hours, over the last 9 hours.
Common questions
How often does buoy grmm4 report?
Wind update about every 10 minutes.
Can I be notified when conditions change at buoy grmm4?
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 Grand Marais to Whitefish Point 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 grmm4 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 grmm4 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, 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 grmm4
46°41'02" N 85°58'19" 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.