Marine Forecast
Illustrated map of Grand Traverse Bay

Marine forecast

Presque Isle Light to Sturgeon Pt MI

current wind
5 kt NW
Gusts
7 kt
Seas
2.3 ft
Period
3 sec
Air
61°F

Observed Tue 3:20 PM | LHZ348

Gusts now
7 kt
Seas now
2.3 ft · 3 sec
Air
61°F
72-hr peak
26 kt
Peak seas
2 ft

In brief

At 3:20 pm EDT on Oct 13, 2026, NDBC station APNM4 (Alpena Harbor Light, Alpena, MI, 2 miles away) measured wind from the NW at 5 kt, gusting to 7 kt; buoy 45212 measured seas of 2.3 ft. The NWS forecast for Presque Isle Light to Sturgeon Pt MI issued at 2:51 pm EDT on Oct 13, 2026 reads, for through early evening: “Northwest wind 10 to 15 knots. Slight chance of showers.”

Source: National Weather Service Gaylord MI forecast; NDBC observations

Wind forecast · ktPeak 26 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
Through Early EveningNorthwest wind 10 to 15 knots. Slight chance of showers. Waves 2 feet or less.
TonightNorthwest wind 10 to 15 knots. Cloudy. Waves 2 to 4 feet.
WednesdayNorthwest wind 15 to 20 knots. Mostly cloudy. Waves 2 to 4 feet.
Wednesday NightNorth wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet.
ThursdaySoutheast wind 10 to 15 knots. Chance of showers. 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 3:20 PM 5 kt NW 7 kt — —
Tue 2:50 PM 6 kt NW 7 kt — —
Tue 1:50 PM 1 kt NNW 2 kt — —
Tue 12:50 PM 1 kt SE 1 kt — —
Tue 11:50 AM 1 kt E 2 kt — —
Tue 10:50 AM 4 kt E 5 kt — —
Tue 9:50 AM 9 kt E 10 kt — —
Tue 8:50 AM 6 kt NE 9 kt — —
Tue 7:50 AM 5 kt ENE 9 kt — —
Tue 6:50 AM 4 kt NNE 6 kt — —
Tue 5:50 AM 10 kt E 11 kt — —
Tue 4:50 AM 5 kt NNE 6 kt — —

Observed Tue 3:20 PM at NDBC buoy APNM4 (Alpena Harbor Light, Alpena, MI), 1.5 miles away. Seas from buoy 45212 (North Huron Spotter), 33.4 miles away, at Tue 2:10 PM.

What is the marine forecast for Presque Isle Light to Sturgeon Pt MI today?

Through Early Evening: Northwest wind 10 to 15 knots. Slight chance of showers. Waves 2 feet or less.

Is there a small craft advisory for Presque Isle Light to Sturgeon Pt MI?

No advisories, warnings or watches are in effect for NWS zone LHZ348 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 Presque Isle Light to Sturgeon Pt MI right now?

Seas are running 2.3 ft at a 3-second period, measured at NDBC buoy APNM4 Tue 3:20 PM, 1.5 miles from this zone. The forecast peaks at 2.0 ft Fri 1 PM.

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 LHZ348, 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 APNM4, read Tue 3:20 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.