weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
958 PM EDT SAT APR 18 2015

...WINDS WILL INCREASE ON SUNDAY...

.EAST WINDS WILL BEGIN TO INCREASE LATE TONIGHT INTO SUNDAY AS A
STRENGTHENING LOW PRESSURE SYSTEM APPROACHES FROM THE SOUTH. WHILE
GUSTS MAY APPROACH GALE FORCE...GENERALLY STABLE LOW LEVEL
CONDITIONS OVER LAKE HURON WILL LIMIT THIS POTENTIAL GREATLY.
WINDS WILL VEER FROM SOUTHEAST TO SOUTH AND SOUTHWEST SUNDAY NIGHT
INTO MONDAY AS THIS LOW PRESSURE LIFTS TO NEAR JAMES BAY. GUSTY
CONDITIONS WILL GRADUALLY SUBSIDE DURING THIS TIME FRAME.

DG

LEZ444-191400-
/O.NEW.KDTX.SC.Y.0087.150419T0400Z-150420T0800Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
958 PM EDT SAT APR 18 2015

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT MONDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM EDT MONDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 25 KNOTS FROM THE EAST WITH GUSTS UP TO
  31 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 12 PM SUNDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 12 PM SUNDAY.

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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
958 PM EDT SAT APR 18 2015

...WINDS WILL INCREASE ON SUNDAY...

.EAST WINDS WILL BEGIN TO INCREASE LATE TONIGHT INTO SUNDAY AS A
STRENGTHENING LOW PRESSURE SYSTEM APPROACHES FROM THE SOUTH. WHILE
GUSTS MAY APPROACH GALE FORCE...GENERALLY STABLE LOW LEVEL
CONDITIONS OVER LAKE HURON WILL LIMIT THIS POTENTIAL GREATLY.
WINDS WILL VEER FROM SOUTHEAST TO SOUTH AND SOUTHWEST SUNDAY NIGHT
INTO MONDAY AS THIS LOW PRESSURE LIFTS TO NEAR JAMES BAY. GUSTY
CONDITIONS WILL GRADUALLY SUBSIDE DURING THIS TIME FRAME.

DG

LHZ441>443-191400-
/O.NEW.KDTX.SC.Y.0087.150419T2000Z-150420T1800Z/
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
958 PM EDT SAT APR 18 2015

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM SUNDAY TO 2 PM EDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 4 PM SUNDAY TO
2 PM EDT MONDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 25 KNOTS FROM THE SOUTHEAST WITH GUSTS
  UP TO 27 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL
  BE 7 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 AM MONDAY WITH
  THE LARGEST WAVES EXPECTED AROUND 4 AM MONDAY.

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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
958 PM EDT SAT APR 18 2015

...WINDS WILL INCREASE ON SUNDAY...

.EAST WINDS WILL BEGIN TO INCREASE LATE TONIGHT INTO SUNDAY AS A
STRENGTHENING LOW PRESSURE SYSTEM APPROACHES FROM THE SOUTH. WHILE
GUSTS MAY APPROACH GALE FORCE...GENERALLY STABLE LOW LEVEL
CONDITIONS OVER LAKE HURON WILL LIMIT THIS POTENTIAL GREATLY.
WINDS WILL VEER FROM SOUTHEAST TO SOUTH AND SOUTHWEST SUNDAY NIGHT
INTO MONDAY AS THIS LOW PRESSURE LIFTS TO NEAR JAMES BAY. GUSTY
CONDITIONS WILL GRADUALLY SUBSIDE DURING THIS TIME FRAME.

DG

LCZ460-191400-
/O.NEW.KDTX.SC.Y.0087.150419T1200Z-150420T1200Z/
LAKE ST. CLAIR-
958 PM EDT SAT APR 18 2015

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM SUNDAY TO 8 AM EDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 8 AM SUNDAY TO
8 AM EDT MONDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 22 KNOTS FROM THE EAST WITH GUSTS UP TO
  27 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 3
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 9 AM SUNDAY WITH
  THE LARGEST WAVES EXPECTED AROUND 11 PM SUNDAY.

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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
958 PM EDT SAT APR 18 2015

...WINDS WILL INCREASE ON SUNDAY...

.EAST WINDS WILL BEGIN TO INCREASE LATE TONIGHT INTO SUNDAY AS A
STRENGTHENING LOW PRESSURE SYSTEM APPROACHES FROM THE SOUTH. WHILE
GUSTS MAY APPROACH GALE FORCE...GENERALLY STABLE LOW LEVEL
CONDITIONS OVER LAKE HURON WILL LIMIT THIS POTENTIAL GREATLY.
WINDS WILL VEER FROM SOUTHEAST TO SOUTH AND SOUTHWEST SUNDAY NIGHT
INTO MONDAY AS THIS LOW PRESSURE LIFTS TO NEAR JAMES BAY. GUSTY
CONDITIONS WILL GRADUALLY SUBSIDE DURING THIS TIME FRAME.

DG

LHZ421-422-191400-
/O.NEW.KDTX.SC.Y.0087.150420T0200Z-150420T1800Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
958 PM EDT SAT APR 18 2015

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM SUNDAY TO 2 PM EDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 10 PM SUNDAY TO
2 PM EDT MONDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 25 KNOTS FROM THE SOUTHEAST WITH GUSTS
  UP TO 26 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 MONDAY WITH
  THE LARGEST WAVES EXPECTED AROUND 3 AM MONDAY.

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.

&&

$$

SC

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
420 AM EDT SUN APR 19 2015

LEZ142>145-191630-
/O.NEW.KCLE.SC.Y.0007.150419T1600Z-150420T0800Z/
MAUMEE BAY TO RENO BEACH OH-RENO BEACH TO THE ISLANDS OH-
THE ISLANDS TO VERMILION OH-VERMILION TO AVON POINT OH-
420 AM EDT SUN APR 19 2015

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 4 AM EDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A SMALL
CRAFT ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 4 AM EDT
MONDAY.

* WINDS AND WAVES: EAST WINDS OF 10 TO 20 KNOTS TODAY WILL CAUSE
  THE WAVES TO INCREASE TO 3 TO 5 FEET THIS AFTERNOON. TONIGHT THE
  WINDS WILL BE SOUTHEAST AT 15 TO 25 KNOTS AND THE WAVES WILL
  BEGIN TO SUBSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WAVES WILL AVERAGE 4 FEET
OR MORE AND WIND SPEEDS MAY EXCEED 22 KNOTS WHICH WILL CREATE
HAZARDOUS CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD STAY IN PORT
OR RETURN TO PORT PRIOR TO THE ONSET OF THESE CONDITIONS.

&&

$$

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CLEVELAND OH
420 AM EDT SUN APR 19 2015

LEZ146-147-191630-
/O.NEW.KCLE.SC.Y.0007.150419T2200Z-150420T0800Z/
AVON POINT TO WILLOWICK OH-WILLOWICK TO GENEVA-ON-THE LAKE OH-
420 AM EDT SUN APR 19 2015

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 4 AM
EDT MONDAY...

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A SMALL
CRAFT ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO
4 AM EDT MONDAY.

* WINDS AND WAVES: EAST WINDS OF 20 TO 25 KNOTS WILL BECOME
  SOUTHEAST EARLY THIS EVENING. WIND GUSTS OF 40 KNOTS WILL ALSO
  BE LIKELY. THE SMALL CRAFT ADVISORY IS BEING ISSUED FOR THE
  STRONG WINDS. THE WAVES IN ICE FREE AREAS WILL BE MAINLY 2 FEET
  OR LESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WAVES WILL AVERAGE 4 FEET
OR MORE AND WIND SPEEDS MAY EXCEED 22 KNOTS WHICH WILL CREATE
HAZARDOUS CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...
ESPECIALLY THOSE OPERATING SMALLER VESSELS...SHOULD STAY IN PORT
OR RETURN TO PORT PRIOR TO THE ONSET OF THESE CONDITIONS.

&&

$$

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