Alert archive / Michigan / Small Craft Advisories in 2011

Small Craft Advisory 21, NWS Detroit, MI

July 12, 2011

NWS Detroit, MI issued this small craft advisory at Jul 12, 2011, 3:24 PM EDT. It took effect at Jul 12, 2011, 10:00 PM EDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jul 12, 2011, 3:24 PM EDT (19:24 UTC)
In effect from
Jul 12, 2011, 10:00 PM EDT
Expired
Jul 13, 2011, 4:00 PM EDT
In force
18 hr
Issued by
NWS Detroit, MI

The text

As transmitted, in the capitals the NWS used until 2016.

380 
WHUS73 KDTX 121924
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
324 PM EDT TUE JUL 12 2011

...CHOPPY SEAS TONIGHT BEHIND A WEAK COLD FRONT...

.LOW LEVEL COLD ADVECTION TONIGHT WILL TRANSLATE TO STRONGER 
NORTHWEST WINDS...WITH GUSTS APPROACHING 25 KNOTS ACROSS THE 
NEARSHORE WATERS OF LAKE HURON AND SAGINAW BAY LATE TONIGHT. WAVE 
HEIGHTS ARE FORECASTED TO RANGE BETWEEN 4-6 FEET IN PLACES ACROSS 
SOUTHERN LAKE HURON. THESE FORECASTED VALUES NECESSITATE THE 
ISSUANCE OF A SMALL CRAFT ADVISORY FROM OUTER SAGINAW BAY...TO PORT 
AUSTIN...SOUTHWARD TO PORT HURON. WINDS WILL DIMINISH ON WEDNESDAY 
AS HIGH PRESSURE BUILDS INTO THE AREA...PROVIDING A TRANQUIL WEATHER 
PATTERN FOR THE REST OF THE WEEK.

LHZ421-441>443-130730-
/O.NEW.KDTX.SC.Y.0021.110713T0200Z-110713T2000Z/
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-
324 PM EDT TUE JUL 12 2011

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 PM
EDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING
TO 4 PM EDT WEDNESDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 19 KNOTS FROM THE NORTHWEST WITH GUSTS UP
  TO 25 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 EDT 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 AM EDT 
  WEDNESDAY. 

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.

&&

$$
3 follow-up statements
988 
WHUS73 KDTX 130117
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
917 PM EDT TUE JUL 12 2011

...WINDS AND WAVES WILL INCREASE TONIGHT...

.LOW LEVEL COLD ADVECTION TONIGHT WILL TRANSLATE TO STRONGER 
NORTHWEST WINDS...WITH GUSTS APPROACHING 25 KNOTS ACROSS THE 
NEARSHORE WATERS OF LAKE HURON AND SAGINAW BAY LATE TONIGHT. WAVE 
HEIGHTS ARE FORECASTED TO RANGE BETWEEN 4-6 FEET IN PLACES ACROSS 
SOUTHERN LAKE HURON. THESE FORECASTED VALUES NECESSITATE THE 
ISSUANCE OF A SMALL CRAFT ADVISORY FROM OUTER SAGINAW BAY...TO PORT 
AUSTIN...SOUTHWARD TO PORT HURON. WINDS WILL DIMINISH ON WEDNESDAY 
AS HIGH PRESSURE BUILDS INTO THE AREA...PROVIDING A TRANQUIL WEATHER 
PATTERN FOR THE REST OF THE WEEK.

LHZ421-441>443-131330-
/O.CON.KDTX.SC.Y.0021.110713T0200Z-110713T2000Z/
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-
917 PM EDT TUE JUL 12 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT
WEDNESDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT
WEDNESDAY. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 19 KNOTS FROM THE NORTHWEST WITH GUSTS 
  UP TO 23 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 EDT 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 AM EDT 
  WEDNESDAY. 

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.

&&

$$
506 
WHUS73 KDTX 130726
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
326 AM EDT WED JUL 13 2011

...WIND AND WAVES SLOWLY DIMINISHING TODAY...

.LOW LEVEL COLD ADVECTION EARLY THIS MORNING HAS LEAD TO NORTHWEST GUSTS
OF 20 TO 25 KNOTS ACROSS THE NEARSHORE WATERS OF LAKE HURON AND
SAGINAW BAY. SUBSEQUENTLY....EXPECT WAVE HEIGHTS OF 3 TO 6 FEET
THROUGH THE MORNING HOURS AS WINDS DIMINISH THROUGH THE DAY. HIGH
PRESSURE BUILDING INTO THE AREA WILL THEN PROVIDE A TRANQUIL
WEATHER PATTERN FOR THE REST OF THE WEEK.

LHZ421-441>443-132000-
/O.CON.KDTX.SC.Y.0021.000000T0000Z-110713T2000Z/
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-
326 AM EDT WED JUL 13 2011

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON. 

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT 
  SUSTAINED WINDS UP TO 19 KNOTS FROM THE NORTH WITH GUSTS UP 
  TO 24 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 3 AM EDT 
  WEDNESDAY WITH THE LARGEST WAVES EXPECTED AROUND 5 AM EDT 
  WEDNESDAY. 

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.

&&

$$
915 
WHUS73 KDTX 132003
MWWDTX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
403 PM EDT WED JUL 13 2011

...WIND AND WAVES DIMINISHING THIS EVENING...

.WIND AND WAVE CONDITIONS HAVE SETTLED DOWN NOTICEABLY DURING THE 
AFTERNOON AFTER GUSTS AROUND 25 KNOTS AND 4 TO 7 FOOTERS 
RESPECTIVELY DURING THE MORNING. THE DIMINISHING TREND WILL CONTINUE 
AS THE CENTER OF HIGH PRESSURE MOVES FROM LAKE SUPERIOR TONIGHT TO 
ABOUT CENTRAL LAKE HURON DURING THURSDAY. THIS SYSTEM WILL LINGER 
THROUGH FRIDAY AND MOST OF SATURDAY IN SUPPORT OF LIGHT WIND 
GRADUALLY VEERING TOWARD THE SOUTH WITH TIME.

LHZ421-441>443-132115-
/O.EXP.KDTX.SC.Y.0021.000000T0000Z-110713T2000Z/
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-
403 PM EDT WED JUL 13 2011

...SMALL CRAFT ADVISORY HAS EXPIRED...

THE SMALL CRAFT ADVISORY IS NO LONGER IN EFFECT. WIND GUSTS HAVE
FALLEN BELOW 20 KNOTS AND WAVES BELOW 4 FEET. THE DIMINISHING
TREND WILL CONTINUE DURING THE NIGHT.

$$

BT

Nearby

Small Craft Advisories in Michigan, 2011Every small craft advisory in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.