weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
319 AM EST Mon Nov 19 2018

LMZ845>848-191630-
/O.NEW.KGRR.SC.Y.0060.181119T1400Z-181119T2200Z/
South Haven to Holland MI-Holland to Grand Haven MI-
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
319 AM EST Mon Nov 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 5 PM
EST THIS AFTERNOON...

The National Weather Service in Grand Rapids has issued a Small
Craft Advisory...which is in effect from 9 AM this morning to
5 PM EST this afternoon.

* WINDS...southwest 15 to 20 knots becoming west/northwest later
  today.

* WAVES...building to 3 to 5 feet today.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that winds or waves are expected to
produce hazardous conditions to small craft. Inexperienced
mariners...especially those operating smaller vessels should
avoid navigating in these conditions.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
342 AM EST Mon Nov 19 2018

LHZ347>349-LMZ346-191645-
/O.NEW.KAPX.SC.Y.0077.181119T2200Z-181120T1000Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
Manistee to Point Betsie MI-
342 AM EST Mon Nov 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 AM EST TUESDAY...

The National Weather Service in Gaylord has issued A Small Craft
Advisory...which is in effect from 5 PM this afternoon to 5 AM
EST Tuesday.

* Please see the latest marine forecasts for more detailed
  information.

PRECAUTIONARY/PREPAREDNESS ACTIONS

Inexperienced mariners...especially those operating smaller
vessels should avoid navigating in these conditions.

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
331 AM EST Mon Nov 19 2018

...ELEVATED WAVES AND GUSTY WINDS MONDAY NIGHT INTO TUESDAY...

.Moderate southwesterly flow of 20-30 knots will develop today as the
pressure gradient tightens between the center of high pressure
located over the central Plains and low pressure tracking across
southern Hudson Bay. The strongest winds will occur over the
northern and central Lake Huron basin. Moderate southwesterly flow
will continue into Monday before a cold front drops south across the
Great Lakes switching winds post-front to the north with
accompanying chances for snow showers. A clipper will then track
southeast across the northern Great Lakes during the midweek period,
with the potential for northwest winds to gust to marginal gales on
Wednesday.

LHZ421-441>443-192130-
/O.NEW.KDTX.SC.Y.0081.181120T0500Z-181120T2100Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
331 AM EST Mon Nov 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM
EST TUESDAY...

The National Weather Service in Detroit/Pontiac has issued a
Small Craft Advisory which is in effect from midnight tonight to
4 PM EST Tuesday.

* WIND AND WAVES: During the Small Craft Advisory, expect
  sustained winds up to 23 knots from the north with gusts up
  to 28 knots. The largest expected significant waves will be 6
  feet with a potential maximum wave height of 8 feet.

* TIMING: The maximum winds are expected around 2 AM EST Tuesday
  with the largest waves expected around 4 AM EST Tuesday.

Refer to the latest marine forecasts for greater detail.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners...especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$

IRL

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE