Nearshore Marine Forecast
Issued by NWS Grand Rapids, MI

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FZUS53 KGRR 200737
NSHGRR

Nearshore Marine Forecast
National Weather Service Grand Rapids MI
337 AM EDT Thu Sep 20 2018

For waters within five nautical miles of shore on Lake Michigan

LMZ849-201515-
Pentwater to Manistee MI-
337 AM EDT Thu Sep 20 2018

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

.TODAY...Southeast winds 10 to 20 knots. Showers and thunderstorms
until midday, then a chance of showers and thunderstorms in the
afternoon. Waves 1 to 3 feet.
.TONIGHT...South winds to 30 knots increasing to gales to 35 knots
after midnight. Partly cloudy with a chance of showers and
thunderstorms. Waves 4 to 6 feet building to 7 to 10 feet after
midnight.
.FRIDAY...Southwest winds to 30 knots veering west gales to
35 knots. Mostly cloudy. A slight chance of showers and
thunderstorms until midday, then a slight chance of rain showers in
the afternoon. Some thunderstorms may produce heavy rainfall until
midday. Waves 6 to 9 feet.
.FRIDAY NIGHT...North winds to 30 knots becoming northeast 10 to
20 knots toward daybreak. Partly cloudy. Waves 6 to 8 feet subsiding
to 4 to 6 feet toward daybreak.

$$

LMZ848-201515-
Whitehall to Pentwater MI-
337 AM EDT Thu Sep 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SATURDAY
MORNING...

.TODAY...East winds 10 to 20 knots. Showers and thunderstorms until
midday, then partly sunny with a chance of showers and thunderstorms
in the afternoon. Waves 2 to 3 feet.
.TONIGHT...South winds to 30 knots. Partly cloudy with a chance of
showers and thunderstorms. Waves 4 to 6 feet building to 7 to
10 feet after midnight.
.FRIDAY...West winds to 30 knots veering northwest late in the day.
Partly sunny. A slight chance of showers and thunderstorms until
midday. Waves 7 to 10 feet.
.FRIDAY NIGHT...North winds to 30 knots becoming northeast 10 to
20 knots toward daybreak. Partly cloudy. Waves 6 to 8 feet.

$$

LMZ847-201515-
Grand Haven to Whitehall MI-
337 AM EDT Thu Sep 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SATURDAY
MORNING...

.TODAY...East winds 10 to 20 knots veering southeast late in the
day. Mostly cloudy with a chance of showers and thunderstorms. Waves
2 to 3 feet.
.TONIGHT...South winds 15 to 25 knots increasing to 30 knots after
midnight. Partly cloudy with a chance of showers and thunderstorms.
Waves 4 to 6 feet building to 7 to 10 feet after midnight.
.FRIDAY...West winds to 30 knots veering northwest late in the day.
Partly sunny. A slight chance of showers and thunderstorms until
midday. Waves 7 to 10 feet.
.FRIDAY NIGHT...North winds to 30 knots becoming northeast 10 to
20 knots after midnight. Partly cloudy. Waves 5 to 7 feet subsiding
to 2 to 4 feet toward daybreak.

$$

LMZ846-201515-
Holland to Grand Haven MI-
337 AM EDT Thu Sep 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SATURDAY
MORNING...

.TODAY...Southeast winds 5 to 15 knots. Partly sunny with a chance
of showers and thunderstorms. Waves 1 to 3 feet.
.TONIGHT...South winds to 30 knots. Partly cloudy with a slight
chance of showers and thunderstorms. Waves 3 to 5 feet building to
7 to 10 feet after midnight.
.FRIDAY...West winds to 30 knots veering northwest late in the day.
Partly sunny. A chance of showers and thunderstorms until midday.
Waves 7 to 10 feet.
.FRIDAY NIGHT...Northwest winds to 30 knots becoming northeast 10 to
20 knots after midnight. Partly cloudy. Waves 6 to 8 feet subsiding
to 2 to 4 feet toward daybreak.

$$

LMZ845-201515-
South Haven to Holland MI-
337 AM EDT Thu Sep 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SATURDAY
MORNING...

.TODAY...Southeast winds around 10 knots veering south, then backing
southeast late in the day. Mostly cloudy until midday then becoming
mostly sunny. A chance of showers and thunderstorms. Waves 1 to
2 feet.
.TONIGHT...South winds 15 to 20 knots increasing to 30 knots after
midnight. Partly cloudy with a slight chance of showers and
thunderstorms. Waves 2 to 4 feet building to 6 to 8 feet after
midnight.
.FRIDAY...Southwest winds to 30 knots veering west. Partly sunny. A
chance of showers and thunderstorms until midday. Waves 6 to 8 feet.
.FRIDAY NIGHT...North winds to 30 knots becoming northeast 10 to
20 knots toward daybreak. Partly cloudy. Waves 6 to 8 feet.

$$

LMZ844-201515-
St Joseph to South Haven MI-
337 AM EDT Thu Sep 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SATURDAY
MORNING...

.TODAY...South winds 5 to 15 knots. then backing south late in the
day. Partly sunny with a chance of showers and thunderstorms. Waves
1 to 2 feet.
.TONIGHT...South winds 15 to 25 knots veering southwest to 30 knots
toward daybreak. Partly cloudy with a slight chance of showers and
thunderstorms. Waves 2 to 3 feet building to 4 to 6 feet after
midnight.
.FRIDAY...Southwest winds to 30 knots veering west. Partly sunny. A
chance of showers and thunderstorms until midday. Waves 5 to 7 feet.
.FRIDAY NIGHT...Northwest winds to 30 knots veering northeast 15 to
25 knots after midnight. Partly cloudy. Waves 5 to 7 feet.

$$


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