Marine Forecast
Illustrated map of Grand Traverse Bay

Marine forecast

Michigan Waters of Lake Erie: Detroit River–North Cape

current wind
14 kt S
Gusts
19 kt
Seas
1.6 ft
Period
2 sec
Air
80°F

Observed Tue 3:10 PM | LEZ444

Gusts now
19 kt
Seas now
1.6 ft · 2 sec
Air
80°F
Water
64°F
72-hr peak
24 kt

In brief

At 3:10 pm EDT on Oct 13, 2026, NDBC station 45165 (Toledo Water Intake Buoy, Oregon, OH, 12 miles away) measured wind from the S at 14 kt, gusting to 19 kt, with seas of 1.6 ft. The NWS forecast for Michigan Waters of Lake Erie: Detroit River–North Cape, MI issued at 9:53 am EDT on Oct 13, 2026 reads, for rest of today: “Southwest winds 15 to 20 knots. Sunny.”

Source: National Weather Service Detroit/Pontiac MI forecast; NDBC observations

Wind forecast · ktPeak 24 kt

05101520253035Wed 14Thu 15Fri 1605101520253035Wed 14Thu 15Fri 16
Sustained GustOct 13-16 | EDT

Seas forecast · ftPeak 2 ft

012Wed 14Thu 15Fri 16012Wed 14Thu 15Fri 16
Oct 13-16 | EDT

NWS marine forecast

PeriodForecast
Rest Of TodaySouthwest winds 15 to 20 knots. Sunny. Waves 1 to 3 feet.
TonightWest winds 10 to 15 knots becoming light and variable. Mostly clear. A chance of light rain and a slight chance of thunderstorms after midnight. Waves 2 feet or less.
WednesdayLight and variable winds becoming north 5 to 10 knots in the late morning and afternoon. Mostly cloudy becoming partly cloudy in the late morning and early afternoon becoming mostly cloudy. A chance of light rain and a slight chance of thunderstorms early in the morning, then a chance of light rain in the late morning and early afternoon. Waves 2 feet or less.
Wednesday NightNortheast winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Partly cloudy early in the evening becoming mostly cloudy. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 65 degrees.

Issued Tue 9:53 AM by Detroit/Pontiac MI (product NSHDTX).

TimeWindGustSeasWater
Tue 3:10 PM 14 kt S 19 kt 1.6 ft 64°F
Tue 2:50 PM 16 kt SSW 21 kt 1.3 ft 64°F
Tue 1:50 PM 14 kt SSW 21 kt 1.6 ft 64°F
Tue 12:50 PM 14 kt S 21 kt 1.3 ft 64°F
Tue 11:50 AM 16 kt S 21 kt 1.6 ft 64°F
Tue 10:50 AM 16 kt S 21 kt 1.6 ft 64°F
Tue 9:50 AM 16 kt S 23 kt 1.3 ft 63°F
Tue 8:50 AM 14 kt S 18 kt 1.0 ft 63°F
Tue 7:50 AM 14 kt S 18 kt 1.3 ft 63°F
Tue 6:50 AM 16 kt S 19 kt 1.0 ft 63°F
Tue 5:50 AM 14 kt S 18 kt 1.0 ft 63°F
Tue 4:50 AM 12 kt S 18 kt 1.3 ft 63°F

Observed Tue 3:10 PM at NDBC buoy 45165 (Toledo Water Intake Buoy, Oregon, OH), 11.8 miles away.

What is the marine forecast for Michigan Waters of Lake Erie: Detroit River–North Cape today?

Rest Of Today: Southwest winds 15 to 20 knots. Sunny. Waves 1 to 3 feet.

Is there a small craft advisory for Michigan Waters of Lake Erie: Detroit River–North Cape?

No advisories, warnings or watches are in effect for NWS zone LEZ444 as of the last update on this page. Advisories can be issued at any time; check the current bulletin before leaving the dock.

How high are the waves at Michigan Waters of Lake Erie: Detroit River–North Cape right now?

Seas are running 1.6 ft at a 2-second period, measured at NDBC buoy 45165 Tue 3:10 PM, 11.8 miles from this zone. The forecast peaks at 2.0 ft Fri 2 PM.

What is the water temperature at Michigan Waters of Lake Erie: Detroit River–North Cape?

The nearest buoy read 64°F (18°C) at Tue 3:10 PM. Sea surface temperature at a single buoy can differ by several degrees from the water at a beach or in a shallow bay nearby.

What do the wind speeds in knots mean?

One knot is 1.15 mph. The National Weather Service issues a small craft advisory for sustained winds of roughly 22–33 knots or hazardous seas, a gale warning at 34–47 knots, and a storm warning at 48 knots and above. Exact advisory thresholds vary by forecast office and by water body — a bay reaches dangerous chop at a lower wind speed than open ocean.

Where does this forecast come from?

The forecast text is the National Weather Service's own marine bulletin for zone LEZ444, issued by Detroit/Pontiac MI, reproduced in full. The wind and seas charts are drawn from the NWS gridded forecast for a point inside the zone. Observations come from the nearest reporting NDBC buoy. We are not affiliated with NOAA or the National Weather Service.

Forecast: NOAA/NWS product NSHDTX, issued Tue 9:53 AM. Observations: NOAA National Data Buoy Center station 45165, read Tue 3:10 PM. Retrieved Oct 13, 3:42 PM. Conditions offshore change faster than any page can be rebuilt, so check the current NWS bulletin and your own instruments before going out.