Marine Forecast
Illustrated map of Grand Traverse Bay

Marine forecast

Manistee to Point Betsie, MI

current wind
14 kt WNW
Gusts
15 kt
Seas
2.3 ft
Period
4 sec
Air
62°F

Observed Tue 2:40 PM | LMZ346

Gusts now
15 kt
Seas now
2.3 ft · 4 sec
Air
62°F
72-hr peak
32 kt
Peak seas
11 ft

In brief

At 2:40 pm EDT on Oct 13, 2026, NDBC station BSBM4 (Big Sable Point, MI, 34 miles away) measured wind from the WNW at 14 kt, gusting to 15 kt; buoy 45183 measured seas of 2.3 ft. The NWS forecast for Manistee to Point Betsie, MI issued at 2:51 pm EDT on Oct 13, 2026 reads, for through early evening: “Northwest wind 10 to 15 knots. Partly sunny.”

Source: National Weather Service Gaylord MI forecast; NDBC observations

Wind forecast · ktPeak 32 kt

051015202530354045Wed 14Thu 15Fri 16051015202530354045Wed 14Thu 15Fri 16
Sustained GustOct 13-16 | EDT

Seas forecast · ftPeak 11 ft

01234567891011Wed 14Thu 15Fri 1601234567891011Wed 14Thu 15Fri 16
Oct 13-16 | EDT

NWS marine forecast

PeriodForecast
Through Early EveningNorthwest wind 10 to 15 knots. Partly sunny. Waves 2 to 3 feet.
TonightNorth wind 5 to 10 knots. Mostly cloudy. Waves 2 feet or less.
WednesdayNorth wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or less.
Wednesday NightNortheast wind 5 to 10 knots. Mostly cloudy. Waves 2 feet or less.
ThursdaySoutheast wind 5 to 10 knots. Rain showers likely. Waves 2 feet or less. See the open lakes forecast for days 3 through 5.

Issued Tue 2:51 PM by Gaylord MI (product NSHAPX).

TimeWindGustSeasWater
Tue 2:40 PM 14 kt WNW 15 kt — —
Tue 1:50 PM 13 kt W 16 kt — —
Tue 12:50 PM 17 kt W 21 kt — —
Tue 11:50 AM 18 kt W 19 kt — —
Tue 10:50 AM 13 kt W 17 kt — —
Tue 9:50 AM 12 kt W 15 kt — —
Tue 8:50 AM 20 kt W 25 kt — —
Tue 7:50 AM 7 kt S 11 kt — —
Tue 6:50 AM 12 kt SSE 16 kt — —
Tue 5:50 AM 11 kt S 15 kt — —
Tue 4:50 AM 13 kt S 17 kt — —
Tue 3:50 AM 11 kt S 15 kt — —

Observed Tue 2:40 PM at NDBC buoy BSBM4 (Big Sable Point, MI), 33.9 miles away. Seas from buoy 45183 (Sleeping Bear Dunes), 39.1 miles away, at Tue 1:00 PM.

What is the marine forecast for Manistee to Point Betsie today?

Through Early Evening: Northwest wind 10 to 15 knots. Partly sunny. Waves 2 to 3 feet.

Is there a small craft advisory for Manistee to Point Betsie?

No advisories, warnings or watches are in effect for NWS zone LMZ346 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 Manistee to Point Betsie right now?

Seas are running 2.3 ft at a 4-second period, measured at NDBC buoy BSBM4 Tue 2:40 PM, 33.9 miles from this zone. The forecast peaks at 11.0 ft Fri 11 AM.

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 LMZ346, issued by Gaylord 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 NSHAPX, issued Tue 2:51 PM. Observations: NOAA National Data Buoy Center station BSBM4, read Tue 2:40 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.