National Weather Service Marine Forecast FZUS53 KAPX
FZUS53 KAPX 131341
NSHAPX
Nearshore Marine Forecast
National Weather Service Gaylord MI
941 AM EDT Wed May 13 2026
For waters within five nautical miles of shore on Lakes Huron... Michigan and Superior.
Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum.
LSZ321-132145
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI
941 AM EDT Wed May 13 2026
TODAY
Northwest wind 10 to 20 knots. Patchy drizzle in the
late morning. Waves 3 to 5 feet.
TONIGHT
Northwest wind 10 to 15 knots. Partly cloudy. Waves
2 to 4 feet.
THURSDAY
North wind 5 to 10 knots. Sunny. Waves 2 feet or
less.
THURSDAY NIGHT
Southeast wind 10 to 15 knots. Partly cloudy.
Waves 2 feet or less.
See the open lakes forecast for days 3 through 5.
LSZ322-132145
St. Marys River Point Iroquois to E. Potagannissing Bay
941 AM EDT Wed May 13 2026
TODAY
Northwest wind 10 to 20 knots. Areas of drizzle in the
late morning, then chance of showers and patchy drizzle in the
afternoon.
TONIGHT
Northwest wind 10 to 15 knots. Partly cloudy.
THURSDAY
Northwest wind 5 to 10 knots. Sunny.
THURSDAY NIGHT
Southwest wind 5 to 10 knots. Partly cloudy.
See the open lakes forecast for days 3 through 5.
LMZ341-132145
Seul Choix Point to 5NM West of Mackinac Bridge
941 AM EDT Wed May 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TODAY
Northwest wind 10 to 20 knots. Patchy drizzle in the
late morning. Waves 2 to 3 feet.
TONIGHT
North wind 10 to 15 knots. Mostly clear. Waves 2 feet
or less.
THURSDAY
West wind 5 to 10 knots. Sunny. Waves 2 feet or less.
THURSDAY NIGHT
South wind 10 to 15 knots. Partly cloudy. Waves
2 feet or less.
See the open lakes forecast for days 3 through 5.
LMZ342-132145
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay
941 AM EDT Wed May 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TODAY
Northwest wind 10 to 20 knots. Patchy drizzle in the
late morning. Waves 4 to 6 feet.
TONIGHT
Northwest wind 10 to 15 knots with gusts to around
30 knots. Mostly clear. Waves 2 to 4 feet.
THURSDAY
West wind 5 to 10 knots. Sunny. Waves 2 feet or less.
THURSDAY NIGHT
South wind 5 to 10 knots. Partly cloudy. Waves
2 feet or less.
See the open lakes forecast for days 3 through 5.
LMZ323-132145
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI
941 AM EDT Wed May 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TODAY
Northwest wind 10 to 20 knots with gusts to around
35 knots. Patchy drizzle in the late morning. Waves 3 to 5 feet.
TONIGHT
Northwest wind 10 to 15 knots with gusts to around
30 knots. Mostly clear. Waves 2 to 4 feet.
THURSDAY
North wind 5 to 10 knots. Sunny. Waves 2 feet or
less.
THURSDAY NIGHT
Southeast wind 10 to 15 knots. Partly cloudy.
Waves 2 feet or less.
See the open lakes forecast for days 3 through 5.
LMZ344-345-132145
Sleeping Bear Point to Grand Traverse Light MI
Point Betsie to Sleeping Bear Point MI
941 AM EDT Wed May 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TODAY
Northwest wind 10 to 20 knots. Cloudy in the late
morning then becoming partly sunny. Waves 4 to 6 feet.
TONIGHT
North wind 10 to 15 knots with gusts to around
30 knots. Mostly clear. Waves 2 to 4 feet.
THURSDAY
Northwest wind 5 to 10 knots. Sunny. Waves 2 feet or
less.
THURSDAY NIGHT
South wind 10 to 15 knots. Partly cloudy. Waves
2 feet or less.
See the open lakes forecast for days 3 through 5.
LMZ346-132145
Manistee to Point Betsie MI
941 AM EDT Wed May 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TODAY
Northwest wind 10 to 20 knots. Mostly cloudy. Waves 4 to
6 feet.
TONIGHT
North wind 10 to 15 knots. Mostly clear. Waves 2 to
3 feet.
THURSDAY
Northwest wind 5 to 10 knots. Sunny. Waves 2 feet or
less.
THURSDAY NIGHT
Southeast wind 10 to 15 knots. Mostly cloudy.
Waves 2 feet or less.
See the open lakes forecast for days 3 through 5.
LHZ345-132145
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island
941 AM EDT Wed May 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
Northwest wind 10 to 20 knots. Patchy drizzle through
the day. Waves 2 to 3 feet.
TONIGHT
Northwest wind 5 to 10 knots with gusts to around
25 knots. Mostly clear. Waves 2 feet or less.
THURSDAY
Northwest wind 5 to 10 knots. Sunny. Waves 2 feet or
less.
THURSDAY NIGHT
South wind 5 to 10 knots. Partly cloudy. Waves
2 feet or less.
See the open lakes forecast for days 3 through 5.
LHZ346-132145
St Ignace to False Detour Channel
941 AM EDT Wed May 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING
TODAY
Northwest wind 10 to 20 knots. Areas of drizzle in the
late morning, then chance of showers and patchy drizzle in the
afternoon. Waves 2 to 4 feet.
TONIGHT
Northwest wind 10 to 15 knots. Mostly clear. Waves
2 to 3 feet.
THURSDAY
Northwest wind 10 to 15 knots. Sunny. Waves 2 feet or
less.
THURSDAY NIGHT
Southwest wind 5 to 10 knots. Partly cloudy.
Waves 2 feet or less.
See the open lakes forecast for days 3 through 5.
LHZ347-132145
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island
941 AM EDT Wed May 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TODAY
Northwest wind 10 to 20 knots. Areas of drizzle through
the day. Chance of showers in the afternoon. Waves 4 to 6 feet.
TONIGHT
Northwest wind 10 to 20 knots. Partly cloudy. Waves
3 to 5 feet.
THURSDAY
Northwest wind 10 to 15 knots. Sunny. Waves 2 to
4 feet.
THURSDAY NIGHT
Southwest wind 5 to 10 knots. Partly cloudy.
Waves 2 feet or less.
See the open lakes forecast for days 3 through 5.
LHZ348-132145
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary
941 AM EDT Wed May 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TODAY
Northwest wind 10 to 20 knots. Areas of drizzle in the
late morning, then chance of showers in the afternoon. Waves 4 to
6 feet.
TONIGHT
Northwest wind 10 to 20 knots. Partly cloudy. Waves
4 to 6 feet.
THURSDAY
North wind 15 to 20 knots. Sunny. Waves 2 to 4 feet.
THURSDAY NIGHT
West wind 5 to 10 knots. Partly cloudy. Waves
2 feet or less.
See the open lakes forecast for days 3 through 5.
LHZ349-132145
Sturgeon Pt to Alabaster MI
941 AM EDT Wed May 13 2026
SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TODAY
Northwest wind 10 to 20 knots. Patchy drizzle through
the day. Chance of showers in the afternoon. Waves 2 to 4 feet.
TONIGHT
Northwest wind 10 to 20 knots. Partly cloudy. Waves
2 to 4 feet.
THURSDAY
North wind 15 to 20 knots. Sunny. Waves 2 to 4 feet.
THURSDAY NIGHT
West wind 5 to 10 knots. Mostly clear. Waves
2 feet or less.
See the open lakes forecast for days 3 through 5.
HAD



