Mouth of the black river

NDBC buoy mbrm4

Observed , 41 minutes ago

Challenging

Small Craft Advisory in effect. Air 65°F. Tonight: East Winds 20 To 25 Knots Diminishing To 15 To 20 Knots Early In The Morning.

Based on the zone forecast. This buoy does not measure wind or sea state.

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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Small Craft Advisory

Small Craft Advisory issued September 23 at 3:35PM EDT until September 23 at 10:00PM EDT by NWS Detroit/Pontiac MI

* WHAT...Expect sustained winds up to 19 knots from the east with gusts up to 25 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay, Inner Saginaw Bay SW of Point Au Gres to Bay Port MI, Port Austin to Harbor Beach MI, Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI. * WHEN...The maximum winds are expected around 9 PM EDT Wednesday with the largest waves expected around 9 PM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

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Air temp

65°F

Last 11 hours56 to 70°F

Pressure

1029mbar

Tendency

Steady

3 hour change

+0.2 mbar

Last 11 hours1029 to 1031 mbar

Zone forecast

Tonight

East Winds 20 To 25 Knots Diminishing To 15 To 20 Knots Early In The Morning. Clear. Waves 3 To 5 Feet. Waves Occasionally Around 7 Feet.

Thursday

East Winds 15 To 20 Knots Diminishing To 5 To 10 Knots. Sunny. Waves 2 To 4 Feet Subsiding To 1 To 3 Feet In The Late Morning And Afternoon.

Thursday Night

East Winds 10 To 15 Knots. Clear. Waves 1 To 3 Feet.

NWS zone Port Sanilac to Port Huron MI

Last 24 hours

Time AirPressure
65°F1,029 mbar
69°F1,029 mbar
67°F1,030 mbar
63°F1,031 mbar
56°F1,030 mbar

Every 3 hours, over the last 12 hours.

4 stations within 30 NM

Fort Gratiot, MI 2 NM N Dry Dock 2 NM SSW Lakeport Buoy, MI 9 NM N St. Clair State Police 10 NM SSW

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Common questions

How often does buoy mbrm4 report?

temperature and pressure update about every 10 minutes.

Can I be notified when conditions change at buoy mbrm4?

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 Port Sanilac to Port Huron 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 mbrm4 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 mbrm4 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 wind, 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 mbrm4
42°58'30" N 82°25'08" W · owned and maintained by NOS

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.