Nearshore Marine Forecast
Issued by NWS Grand Rapids, MI

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815
FZUS53 KGRR 201354
NSHGRR

Nearshore Marine Forecast
National Weather Service Grand Rapids MI
954 AM EDT Sat Oct 20 2018

For waters within five nautical miles of shore on Lake Michigan

LMZ849-202115-
Pentwater to Manistee MI-
954 AM EDT Sat Oct 20 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...Northwest winds 20 to 25 knots veering north gales
to 35 knots. Rain showers likely and a slight chance of
thunderstorms through early afternoon, then a chance of rain showers
and a slight chance of thunderstorms in the afternoon. A slight
chance of waterspouts through the day. Waves 4 to 6 feet building to
7 to 11 feet.
.TONIGHT...Northwest winds to 30 knots decreasing to 15 to 20 knots
toward daybreak. Mostly cloudy in the evening then becoming partly
cloudy. A chance of rain showers. Waves 7 to 11 feet.
.SUNDAY...Southwest winds 15 to 20 knots. Mostly sunny. Waves 2 to
4 feet.
.SUNDAY NIGHT...West winds 10 to 20 knots. Partly cloudy. Waves 4 to
6 feet.

$$

LMZ848-202115-
Whitehall to Pentwater MI-
954 AM EDT Sat Oct 20 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...Northwest winds to 30 knots increasing to gales to
40 knots. Rain showers likely and a chance of thunderstorms through
early afternoon, then a chance of rain showers and a slight chance
of thunderstorms in the afternoon. A slight chance of waterspouts
through the day. Waves 4 to 6 feet building to 8 to 12 feet.
.TONIGHT...North gales to 35 knots backing northwest to 30 knots
after midnight. Mostly cloudy in the evening then becoming partly
cloudy. A chance of rain showers. Waves 7 to 11 feet subsiding to
5 to 7 feet toward daybreak.
.SUNDAY...West winds 15 to 20 knots backing southwest late in the
day. Mostly sunny. Waves 3 to 5 feet subsiding to 2 to 3 feet, then
building to 2 to 4 feet late in the day.
.SUNDAY NIGHT...West winds 15 to 25 knots. Partly cloudy. Waves 5 to
7 feet.

$$

LMZ847-202115-
Grand Haven to Whitehall MI-
954 AM EDT Sat Oct 20 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...Northwest gales to 40 knots. Rain showers likely
and a chance of thunderstorms. A slight chance of waterspouts. Waves
5 to 7 feet building to 7 to 11 feet.
.TONIGHT...North gales to 35 knots backing northwest to 30 knots
after midnight. Mostly cloudy in the evening then becoming partly
cloudy. A chance of rain showers. Waves 7 to 10 feet subsiding to
4 to 6 feet toward daybreak.
.SUNDAY...West winds 15 to 20 knots backing southwest late in the
day. Mostly sunny. Waves 2 to 4 feet.
.SUNDAY NIGHT...West winds 15 to 25 knots. Partly cloudy. Waves 5 to
7 feet.

$$

LMZ846-202115-
Holland to Grand Haven MI-
954 AM EDT Sat Oct 20 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...Northwest gales to 40 knots. Rain showers likely
and a chance of thunderstorms. A slight chance of waterspouts. Waves
5 to 7 feet building to 8 to 12 feet.
.TONIGHT...North gales to 40 knots becoming northwest to 30 knots
after midnight. Mostly cloudy in the evening then becoming partly
cloudy. A chance of rain showers. Waves 7 to 11 feet subsiding to
4 to 6 feet toward daybreak.
.SUNDAY...West winds 15 to 20 knots backing southwest late in the
day. Partly sunny until midday then clearing. Waves 3 to 5 feet.
.SUNDAY NIGHT...Southwest winds 15 to 25 knots. Partly cloudy. Waves
5 to 7 feet.

$$

LMZ845-202115-
South Haven to Holland MI-
954 AM EDT Sat Oct 20 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...West winds to 30 knots veering northwest gales to
40 knots. Rain showers likely and a chance of thunderstorms. A
slight chance of waterspouts. Waves 5 to 7 feet building to 10 to
14 feet.
.TONIGHT...North gales to 35 knots becoming northwest 15 to
20 knots. Mostly cloudy with a chance of rain showers. Waves 9 to
13 feet subsiding to 5 to 7 feet toward daybreak.
.SUNDAY...West winds 15 to 20 knots backing southwest late in the
day. Partly sunny until midday then clearing. Waves 4 to 6 feet.
.SUNDAY NIGHT...Southwest winds 15 to 25 knots. Mostly clear. Waves
4 to 6 feet.

$$

LMZ844-202115-
St Joseph to South Haven MI-
954 AM EDT Sat Oct 20 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...West winds to 30 knots becoming northwest gales to
40 knots. Rain showers likely and a chance of thunderstorms. A
slight chance of waterspouts. Waves 5 to 7 feet building to 10 to
14 feet.
.TONIGHT...Northwest gales to 35 knots decreasing to 15 to 20 knots.
Mostly cloudy with a chance of rain showers. Waves 10 to 14 feet
subsiding to 6 to 8 feet toward daybreak.
.SUNDAY...West winds 15 to 20 knots backing southwest late in the
day. Mostly sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet late
in the day.
.SUNDAY NIGHT...Southwest winds 15 to 25 knots. Mostly clear. Waves
4 to 6 feet.

$$



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