Alpena harbor light
NDBC buoy apnm4
Observed , 31 minutes ago
Hazardous
Today
Light W winds at 10 kn gusting to 13 kn. Air 49°F. Today: Southwest wind 10 to 15 knots becoming west 10 to 20 knots in the morning, then rising to up to 30 knots with gusts to around 35 knots in the afternoon.
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 11:34AM EST until November 9 at 5:00AM EST by NWS Gaylord MI
* WHAT...Highest gusts up to 35 kts from the northwest and highest waves around 9 feet expected. * WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary. * WHEN...From 4 PM this afternoon to 5 AM EST Monday. * IMPACTS...Strong winds will cause hazardous highest 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
9.9kn
Gust
13kn
Direction
260° W
Trend
Easing
Last 11 hours2.9 to 15 kn
Air temp
49°F
Last 11 hours37 to 49°F
Zone forecast
Today
Southwest wind 10 to 15 knots becoming west 10 to 20 knots in the morning, then rising to up to 30 knots with gusts to around 35 knots in the afternoon. Chance of showers in the afternoon. Waves 2 feet or less building to 5 to 8 feet. Waves occasionally around 10 feet.
Tonight
Northwest wind up to 30 knots with gusts to around 35 knots. Slight chance of showers. Waves 6 to 9 feet.
Monday
Northwest wind 15 to 20 knots. Mostly cloudy. Waves 4 to 6 feet.
NWS zone Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary
Last 24 hours
Every 3 hours, over the last 12 hours.
1 station 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 apnm4 report?
Wind and temperature update about every 10 minutes.
Can I be notified when conditions change at buoy apnm4?
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 Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary 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 apnm4 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 apnm4 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 apnm4
45°03'36" N 83°25'26" W · owned and maintained by GLERL
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.