Nearshore Marine Forecast
Issued by NWS Grand Rapids, 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 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
278
FZUS53 KGRR 202018
NSHGRR

Nearshore Marine Forecast
National Weather Service Grand Rapids MI
318 PM EST Thu Nov 20 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ849-210900-
Pentwater to Manistee MI-
318 PM EST Thu Nov 20 2025

.THROUGH EARLY EVENING...Southwest winds 15 to 20 knots. Cloudy.
Patchy drizzle. Waves 2 to 4 feet.
.TONIGHT...West winds 15 to 20 knots. Cloudy. A slight chance of
rain showers and patchy drizzle in the evening. Waves 2 to 4 feet.
.FRIDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. Mostly sunny. Waves 2 to 3 feet.
.FRIDAY NIGHT...North winds 5 to 15 knots. Partly cloudy. Waves 1 to
3 feet.
.SATURDAY...North winds 5 to 10 knots backing southwest 10 to
20 knots in the late morning and afternoon. Partly sunny. Waves 1 to
2 feet.
.SATURDAY NIGHT...Southwest winds 15 to 25 knots veering west after
midnight. Partly cloudy. Waves 3 to 5 feet.
.SUNDAY...West winds 10 to 20 knots. Sunny. Waves 3 to 5 feet
subsiding to 2 to 3 feet early in the afternoon.
.MONDAY...South winds 10 to 20 knots. Partly sunny. Waves 1 to
2 feet.
.TUESDAY...South winds 10 to 20 knots veering southwest early in the
afternoon. Rain showers likely. Waves 2 to 4 feet.

$$

LMZ848-210900-
Whitehall to Pentwater MI-
318 PM EST Thu Nov 20 2025

.THROUGH EARLY EVENING...Southwest winds 15 to 20 knots. Cloudy.
Patchy drizzle. Waves 2 to 3 feet.
.TONIGHT...West winds 15 to 20 knots veering northwest after
midnight. Cloudy. Patchy drizzle in the evening. Waves 2 to 3 feet.
.FRIDAY...Northwest winds 15 to 20 knots. Partly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...North winds 10 to 15 knots veering northeast 5 to
10 knots after midnight. Partly cloudy. Waves 1 to 3 feet.
.SATURDAY...East winds 5 to 10 knots veering southwest 10 to
20 knots in the late morning and afternoon. Partly sunny. Waves 1 to
2 feet.
.SATURDAY NIGHT...Southwest winds 15 to 25 knots veering west after
midnight. Partly cloudy. Waves 4 to 6 feet.
.SUNDAY...West winds 15 to 25 knots. Sunny. Waves 3 to 5 feet.
.MONDAY...Southeast winds 10 to 20 knots. Partly sunny. Waves 1 to
3 feet.
.TUESDAY...South winds 15 to 20 knots veering southwest early in the
afternoon. Rain showers likely. Waves 2 to 3 feet building to 3 to
5 feet in the late morning and afternoon.

$$

LMZ847-210900-
Grand Haven to Whitehall MI-
318 PM EST Thu Nov 20 2025

.THROUGH EARLY EVENING...Southwest winds 15 to 20 knots. Cloudy.
Patchy drizzle. Waves 2 to 3 feet.
.TONIGHT...West winds 15 to 20 knots veering northwest after
midnight. Cloudy. A slight chance of rain showers and patchy drizzle
in the evening. Waves 2 to 3 feet.
.FRIDAY...Northwest winds 15 to 20 knots. Partly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...Northeast winds 5 to 15 knots. Partly cloudy. Waves
1 to 3 feet.
.SATURDAY...East winds 5 to 10 knots veering south in the late
morning and early afternoon, then veering southwest 15 to 20 knots
early in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...Southwest winds 15 to 25 knots veering west around
25 knots after midnight. Partly cloudy. Waves 4 to 6 feet.
.SUNDAY...West winds 15 to 25 knots. Sunny. Waves 4 to 6 feet
subsiding to 2 to 4 feet early in the afternoon.
.MONDAY...Southeast winds 10 to 20 knots. Partly sunny. Waves 1 to
2 feet.
.TUESDAY...South winds 15 to 20 knots veering southwest 20 to
25 knots early in the afternoon. Rain showers likely. Waves 3 to
5 feet.

$$

LMZ846-210900-
Holland to Grand Haven MI-
318 PM EST Thu Nov 20 2025

.THROUGH EARLY EVENING...Southwest winds 15 to 20 knots. Cloudy.
Patchy drizzle. Waves 2 to 3 feet.
.TONIGHT...West winds 10 to 20 knots increasing to around 20 knots
after midnight. Cloudy. A slight chance of rain showers and patchy
drizzle in the evening, then a chance of rain showers after
midnight. Waves 2 to 3 feet.
.FRIDAY...Northwest winds 15 to 20 knots. Partly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots. Partly cloudy. Waves
1 to 3 feet.
.SATURDAY...East winds 5 to 10 knots veering south 10 to 15 knots in
the late morning and afternoon. Mostly sunny. Waves around 1 foot.
.SATURDAY NIGHT...Southwest winds 15 to 25 knots veering west around
25 knots after midnight. Partly cloudy. Waves 2 to 3 feet building
to 4 to 6 feet in the late evening and overnight.
.SUNDAY...West winds 15 to 25 knots. Sunny. Waves 4 to 6 feet.
.MONDAY...Southeast winds 10 to 15 knots. Mostly cloudy. Waves
around 1 foot.
.TUESDAY...South winds 15 to 20 knots veering southwest early in the
afternoon. Rain showers likely. Waves 2 to 3 feet building to 3 to
5 feet in the late morning and afternoon.

$$

LMZ845-210900-
South Haven to Holland MI-
318 PM EST Thu Nov 20 2025

.THROUGH EARLY EVENING...Southwest winds 10 to 15 knots. Cloudy.
Patchy drizzle. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 10 to 20 knots veering west after
midnight. Cloudy. A slight chance of rain showers and patchy drizzle
in the evening, then a chance of rain showers after midnight. Waves
1 to 3 feet.
.FRIDAY...Northwest winds 15 to 20 knots. Partly sunny. Waves 1 to
3 feet.
.FRIDAY NIGHT...North winds 10 to 15 knots. Partly cloudy. Waves
1 to 3 feet.
.SATURDAY...Northeast winds around 10 knots veering south in the
late morning and early afternoon, then veering southwest early in
the afternoon. Mostly sunny. Waves around 1 foot.
.SATURDAY NIGHT...Southwest winds 15 to 25 knots veering west after
midnight. Partly cloudy. Waves 1 to 2 feet building to 4 to 6 feet
in the late evening and overnight.
.SUNDAY...West winds 15 to 25 knots. Sunny. Waves 4 to 6 feet.
.MONDAY...Southeast winds 10 to 15 knots. Mostly cloudy. Waves
around 1 foot.
.TUESDAY...South winds 15 to 20 knots veering southwest early in the
afternoon. Rain showers likely. Waves 1 to 2 feet building to 2 to
4 feet in the late morning and afternoon.

$$

LMZ844-210900-
St Joseph to South Haven MI-
318 PM EST Thu Nov 20 2025

.THROUGH EARLY EVENING...Southwest winds 10 to 15 knots. Cloudy.
Patchy drizzle. Waves around 1 foot.
.TONIGHT...Southwest winds 10 to 15 knots veering west after
midnight. Cloudy with a slight chance of rain showers. Waves 1 to
3 feet.
.FRIDAY...Northwest winds around 15 knots. Mostly cloudy. Waves 1 to
3 feet.
.FRIDAY NIGHT...North winds 10 to 15 knots. Mostly cloudy. Waves
1 to 3 feet.
.SATURDAY...Northeast winds 5 to 10 knots veering southwest early in
the afternoon. Mostly sunny. Waves 1 to 2 feet.
.SATURDAY NIGHT...Southwest winds 10 to 20 knots veering west 20 to
25 knots after midnight. Partly cloudy. Waves 2 to 3 feet building
to 3 to 5 feet after midnight.
.SUNDAY...West winds 20 to 25 knots decreasing to 10 to 15 knots
early in the afternoon. Sunny. Waves 3 to 5 feet.
.MONDAY...Southeast winds 10 to 15 knots. Mostly cloudy. Waves
1 foot or less.
.TUESDAY...South winds 15 to 20 knots veering southwest early in the
afternoon. Rain showers likely. Waves 2 to 3 feet.

$$