North entry buoy

NDBC buoy 45023

Observed , 1 hour ago

Elevated

Late this afternoon

Light SE winds at 6 kn gusting to 10 kn. Rippled seas at 1 ft with from the NNW, building. Pressure falling at 1,030.4 mbar. Water 40°F, air 57°F. 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.

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Wind

Speed

5.8kn

Gust

9.7kn

Direction

140° SE

Trend

Steady

Last 10 hours1.9 to 9.7 kn

Waves

0.7ft

Direction

347° NNW

Last 10 hours0.3 to 0.7 ft

Air temp

57°F

45 to 57°F today

Water temp

40°F

40 to 42°F today

Pressure

1030mbar

Tendency

Easing

3 hour change

-1 mbar

Last 10 hours1030 to 1034 mbar

Zone forecast

Late This Afternoon

East Wind 10 To 15 Knots. Sunny. Waves Calm To 1 Foot.

Tonight

Southeast Wind 10 To 15 Knots Veering South 5 To 15 Knots By Midnight. Clear Through Midnight Then Becoming Partly Cloudy. Waves Calm To 1 Foot.

Thursday

South Wind Less Than 10 Knots Backing East Late. Partly Cloudy Through Early Afternoon Then Becoming Cloudy. Waves Calm To 1 Foot.

NWS zone Upper Entrance of Portage Canal to Eagle River MI

Last 24 hours

Time WindWaves
5.8 kn SE0.7 ft
5.8 kn ESE0.3 ft
5.8 kn N0.3 ft
1.9 kn E0.3 ft

Every 3 hours, over the last 9 hours. Air 45 to 57°F, water 40 to 42°F, pressure 1,030 to 1,034 mbar over the same window.

2 stations within 30 NM

GLRC Observatory 9 NM SSE South Entry Buoy, South Keweenaw Peninsula, MI 20 NM SSE

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Common questions

How often does buoy 45023 report?

Wind, temperature and pressure update about every 10 minutes. Wave height and period update about every 30 minutes.

Can I be notified when conditions change at buoy 45023?

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 Upper Entrance of Portage Canal to Eagle River 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 45023 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 45023 for next time?

Save it as a favorite and Buoycast opens on the buoys you run.

Station 45023
47°16'12" N 88°36'25" 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.