Lakeport buoy

NDBC buoy 45209

Observed , 39 minutes ago

Challenging

Small Craft Advisory in effect. Moderate ESE winds at 16 kn gusting to 21 kn. Small chop seas at 2 ft with 3 second dominant period from the ENE. Water 65°F, air 65°F. Tonight: East Winds 20 To 25 Knots Diminishing To 15 To 20 Knots Early In The Morning.

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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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Wind

Speed

16kn

Gust

21kn

Direction

120° ESE

Trend

Rising

Last 11 hours12 to 19 kn

Waves

2.3ft

Period

3 s

Direction

67° ENE

Last 11 hours1.6 to 3.9 ft

Air temp

65°F

58 to 66°F today

Water temp

65°F

65 to 65°F today

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 WindWaves
16 kn ESE2.3 ft
12 kn E2 ft
14 kn ESE2.6 ft
16 kn ESE3.3 ft
19 kn SE3.9 ft

Every 3 hours, over the last 12 hours. Air 58 to 66°F, water 65 to 65°F over the same window.

4 stations within 30 NM

Lakeport 5 NM W Fort Gratiot, MI 7 NM S Mouth of the Black River, MI 9 NM S Dry Dock 11 NM SSW

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Common questions

How often does buoy 45209 report?

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

Can I be notified when conditions change at buoy 45209?

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 45209 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 45209 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 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 45209
43°07'44" N 82°23'28" W · owned and maintained by Great Lakes Water Authority

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.