Nearshore Marine Forecast
Issued by NWS Marquette, MI

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
580
FZUS53 KMQT 292102
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
502 PM EDT Fri Aug 29 2025

For waters within five nautical miles of shore

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.

LMZ221-300800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
502 PM EDT Fri Aug 29 2025

.LATE THIS AFTERNOON...Southeast wind less than 10 knots. Sunny.
Waves calm to 1 foot.
.TONIGHT...South wind less than 10 knots through late evening
becoming variable. Clear. Waves calm to 1 foot.
.SATURDAY...West wind less than 10 knots backing south late.
Mostly sunny. Waves calm to 1 foot.
.SATURDAY NIGHT...Southwest wind less than 10 knots in the
evening becoming variable. Clear. Waves calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots becoming south less
than 10 knots in the afternoon. Sunny. Waves calm to 1 foot.

$$

LMZ248-250-300800-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
502 PM EDT Fri Aug 29 2025

.LATE THIS AFTERNOON...South wind less than 10 knots. Sunny.
Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots. Clear. Waves calm to
1 foot.
.SATURDAY...West wind less than 10 knots backing southwest late.
Mostly sunny. Waves calm to 1 foot.
.SATURDAY NIGHT...Southwest wind less than 10 knots in the
evening becoming variable. Clear. Waves calm to 1 foot.
.SUNDAY...Southwest wind less than 10 knots. Sunny. Waves calm to
1 foot.

$$

LSZ240-241-300800-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
502 PM EDT Fri Aug 29 2025 /402 PM CDT Fri Aug 29 2025/

.LATE THIS AFTERNOON...Northeast wind less than 10 knots. Sunny.
Waves calm to 1 foot.
.TONIGHT...East wind less than 10 knots veering southwest late.
Clear. Waves calm to 1 foot.
.SATURDAY...Southwest wind less than 10 knots veering west by
late morning, then backing southwest late. Sunny. Waves calm to
1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots becoming
southwest less than 10 knots after midnight. Clear. Waves calm to
1 foot.
.SUNDAY...Southwest wind less than 10 knots in the morning
becoming variable. Sunny. Waves calm to 1 foot.

$$

LSZ242-243-300800-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
502 PM EDT Fri Aug 29 2025

.LATE THIS AFTERNOON...Northeast wind less than 10 knots. Sunny.
Waves calm to 1 foot.
.TONIGHT...Southeast wind less than 10 knots veering southwest
late. Clear. Waves calm to 1 foot.
.SATURDAY...Southwest wind 5 to 15 knots. Mostly sunny. Waves
building to 1 to 2 feet.
.SATURDAY NIGHT...Southwest wind less than 10 knots. Clear. Waves
1 to 2 feet.
.SUNDAY...Southwest wind less than 10 knots. Sunny. Waves calm to
1 foot.

$$

LSZ244-245-300800-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
502 PM EDT Fri Aug 29 2025

.LATE THIS AFTERNOON...Southeast wind less than 10 knots. Sunny.
Waves calm to 1 foot.
.TONIGHT...South wind less than 10 knots veering southwest late.
Clear. Waves calm to 1 foot.
.SATURDAY...Southwest wind 5 to 15 knots. Mostly sunny. Waves
building to 1 to 2 feet.
.SATURDAY NIGHT...Southwest wind less than 10 knots. Mostly
clear. Waves 1 to 2 feet.
.SUNDAY...Southwest wind less than 10 knots. Sunny. Waves calm to
1 foot.

$$

LSZ246-300800-
Point Isabelle to Lower Entrance of Portage Canal MI-
502 PM EDT Fri Aug 29 2025

.LATE THIS AFTERNOON...East wind less than 10 knots. Sunny. Waves
calm to 1 foot.
.TONIGHT...Southeast wind less than 10 knots veering west late.
Clear. Waves calm to 1 foot.
.SATURDAY...Southwest wind less than 10 knots veering west late.
Mostly sunny. Waves calm to 1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots. Clear. Waves
calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots. Gusts up to 13 knots.
Sunny. Waves calm to 1 foot.

$$

LSZ247-300800-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
502 PM EDT Fri Aug 29 2025

.LATE THIS AFTERNOON...East wind less than 10 knots. Sunny. Waves
calm to 1 foot.
.TONIGHT...East wind less than 10 knots veering southwest by
midnight, then becoming southwest less than 10 knots late. Clear.
Waves calm to 1 foot.
.SATURDAY...Southwest wind less than 10 knots veering west late.
Mostly sunny. Waves calm to 1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots. Clear. Waves
calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots. Gusts up to 12 knots.
Sunny. Waves calm to 1 foot.

$$

LSZ248-300800-
Huron Islands to Marquette MI-
502 PM EDT Fri Aug 29 2025

.LATE THIS AFTERNOON...East wind less than 10 knots. Sunny. Waves
calm to 1 foot.
.TONIGHT...Southeast wind less than 10 knots veering west late.
Clear. Waves calm to 1 foot.
.SATURDAY...Southwest wind less than 10 knots through mid morning
becoming variable. Mostly sunny. Waves calm to 1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots. Clear. Waves
calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots. Gusts up to 12 knots.
Sunny. Waves calm to 1 foot.

$$

LSZ249-300800-
Marquette to Munising MI-
502 PM EDT Fri Aug 29 2025

.LATE THIS AFTERNOON...East wind less than 10 knots. Sunny. Waves
calm to 1 foot.
.TONIGHT...Southeast wind less than 10 knots veering southwest by
midnight. Clear. Waves calm to 1 foot.
.SATURDAY...Southwest wind less than 10 knots through mid morning
becoming variable. Mostly sunny. Waves calm to 1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots. Sunny. Waves calm to
1 foot.

$$

LSZ250-300800-
Munising to Grand Marais MI-
502 PM EDT Fri Aug 29 2025

.LATE THIS AFTERNOON...Northeast wind less than 10 knots. Sunny.
Waves calm to 1 foot.
.TONIGHT...Southeast wind less than 10 knots veering southwest
late. Clear. Waves calm to 1 foot.
.SATURDAY...Southwest wind less than 10 knots veering west by
late morning, then becoming variable late. Mostly sunny. Waves
calm to 1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots. Sunny. Waves calm to
1 foot.

$$

LSZ251-300800-
Grand Marais to Whitefish Point MI-
502 PM EDT Fri Aug 29 2025

.LATE THIS AFTERNOON...North wind less than 10 knots. Sunny.
Waves calm to 1 foot.
.TONIGHT...East wind less than 10 knots veering southwest by
midnight. Clear. Waves calm to 1 foot.
.SATURDAY...Southwest wind less than 10 knots through mid morning
becoming variable. Mostly sunny. Waves calm to 1 foot.
.SATURDAY NIGHT...Variable wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.
.SUNDAY...Variable wind less than 10 knots. Sunny. Waves calm to
1 foot.

$$

WFO MQT