Superior grand traverse bay

NDBC buoy gtrm4

Observed , 45 minutes ago

Challenging

Small Craft Advisory in effect. Light NW winds at 10 kn gusting to 15 kn, easing. Air 52°F. Rest of Today: Northwest wind 10 to 15 knots with gusts up to 24 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 iPhone

Small Craft Advisory

Small Craft Advisory issued November 10 at 10:53AM EST until November 10 at 1:00PM EST by NWS Marquette MI

* WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 ft occurring. * WHERE...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 1 PM EST this afternoon. * IMPACTS...Conditions will be hazardous to small craft.

Pro also pushes NOAA watches, warnings, and advisories when they are issued.

Get Buoycast for iPhone

Wind

Speed

9.9kn

Gust

15kn

Direction

310° NW

Last 2 hours7 to 13 kn

Air temp

52°F

Last 2 hours50 to 53°F

Pressure

1015mbar

Last 2 hours1014 to 1015 mbar

Zone forecast

Rest of Today

Northwest wind 10 to 15 knots with gusts up to 24 knots. Partly cloudy. Waves 1 to 2 feet.

Tonight

West wind less than 10 knots veering northwest late. Cloudy. A slight chance of rain showers late. Waves calm to 1 foot.

Wednesday

Northwest wind less than 10 knots veering north 10 to 15 knots in the afternoon. Gusts up to 24 knots. Cloudy with a chance of rain showers. Waves building to 1 to 2 feet.

NWS zone Point Isabelle to Lower Entrance of Portage Canal MI

Last 24 hours

Time WindAir
9.9 kn NW52°F

Every 3 hours, over the last 0 hours. Pressure 1,014 to 1,015 mbar over the same window.

3 stations within 30 NM

GLRC Observatory 13 NM WSW Copper Harbor, MI 23 NM NE Big Bay, MI 30 NM SE

These are your in one place. Save the ones you run and Buoycast opens on them.

Get Buoycast for iPhone

Common questions

How often does buoy gtrm4 report?

Wind, temperature and pressure update about every 10 minutes.

Can I be notified when conditions change at buoy gtrm4?

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 gtrm4 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 gtrm4 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 gtrm4
47°10'44" N 88°14'28" 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.