Small Craft Advisory 78, NWS Grand Rapids, MI

566 
WHUS73 KGRR 200134
MWWGRR

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
934 PM EDT FRI OCT 19 2012

LMZ844-845-200945-
/O.CON.KGRR.SC.Y.0078.121020T0800Z-121020T2100Z/
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
934 PM EDT FRI OCT 19 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 5 PM EDT
SATURDAY...

* WINDS...15 TO 25 KNOTS AFTER MIDNIGHT.

* WAVES...BUILDING TO 3 TO 5 FEET LATE TONIGHT.

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.

&&

$$

677 
WHUS73 KGRR 200633
MWWGRR

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
233 AM EDT SAT OCT 20 2012

LMZ844-845-201445-
/O.CON.KGRR.SC.Y.0078.121020T0800Z-121020T2100Z/
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
233 AM EDT SAT OCT 20 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

* WINDS...NORTHWEST 15 TO 25 KNOTS.

* WAVES...3 TO 5 FEET.

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.

&&

$$

149 
WHUS73 KGRR 201445
MWWGRR

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1045 AM EDT SAT OCT 20 2012

LMZ844-845-202100-
/O.CON.KGRR.SC.Y.0078.000000T0000Z-121020T2100Z/
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
1045 AM EDT SAT OCT 20 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

* WINDS...NORTHWEST 15 TO 25 KNOTS.

* WAVES...3 TO 5 FEET.

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.

&&

$$

OSTUNO

070 
WHUS73 KGRR 201956
MWWGRR

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
356 PM EDT SAT OCT 20 2012

LMZ844-845-202100-
/O.CON.KGRR.SC.Y.0078.000000T0000Z-121020T2100Z/
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
356 PM EDT SAT OCT 20 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

* WINDS...NORTHWEST 15 TO 25 KNOTS.

* WAVES...3 TO 5 FEET.

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.

&&

$$

OSTUNO

452 
WHUS73 KGRR 202100
MWWGRR

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
500 PM EDT SAT OCT 20 2012

LMZ844-845-202200-
/O.CAN.KGRR.SC.Y.0078.000000T0000Z-121020T2100Z/
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
500 PM EDT SAT OCT 20 2012

...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS CANCELLED THE
SMALL CRAFT ADVISORY. 

WINDS AND WAVES HAVE SUBSIDED BELOW SMALL CRAFT ADVISORY CRITERIA.
WEST TO SOUTHWEST WINDS OF 10 TO 15 KNOTS TONIGHT WILL PRODUCE 1
TO 3 FOOT WAVES.

$$

DUKE

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
339 PM EDT FRI OCT 19 2012

.SYNOPSIS...
ISSUED AT 338 PM EDT FRI OCT 19 2012

LOW PRESSURE WILL BRING COOL AND SHOWERY WEATHER TONIGHT AND
SATURDAY. THE LOW WILL PULL AWAY BY SUNDAY ALLOWING FAIR WEATHER
TO RETURN FOR THE END OF THE WEEKEND AND INTO EARLY NEXT WEEK.

&&

.SHORT TERM...(THIS EVENING THROUGH SUNDAY NIGHT)
ISSUED AT 338 PM EDT FRI OCT 19 2012

FORECAST ISSUE IN THE NEAR TERM IS FOR POPS THROUGH SATURDAY AS
THE CUT OFF LOW SPINS ACROSS LOWER MICHIGAN. EXPECT COVERAGE OF
SHOWERS TO WARRANT LIKELY POPS THIS EVENING AND THEN TAPER OFF TO
SCATTERED AS THE DEEPER MOISTURE AND BEST LIFT MOVES EAST AFTER
MIDNIGHT.

THE MOISTURE WILL CONTINUE TO PEEL OFF TO THE EAST ON SATURDAY AS
THE LOW CENTER LIFTS NORTHEAST AND SHOWERS SHOULD END FROM WEST TO
EAST DURING THE DAY. EXPECT CLEARING SATURDAY NIGHT AS HEIGHTS
RISE AND SFC RIDGING BUILDS IN. FAIR WEATHER ON SUNDAY HEIGHTS
CONTINUE TO RISE WITH SHORTWAVE RIDGING REPLACING THE UPPER LOW.

.LONG TERM...(MONDAY THROUGH FRIDAY)
ISSUED AT 338 PM EDT FRI OCT 19 2012

TEMPS WILL AVERAGE TEN DEGREES ABOVE NORMAL FOR MOST OF NEXT WEEK
AS DEEP SOUTHWEST FLOW DEVELOPS MONDAY THROUGH THURSDAY. THERE IS
ALSO A CHC OF SHOWERS FOR MOST OF NEXT WEEK AS MOISTURE RAMPS UP
OVER OUR AREA IN THE WAA PATTERN.

ONE RELATIVELY BETTER CHC FOR SHOWERS WILL COME LATE MONDAY THROUGH
MONDAY NIGHT INTO TUESDAY WITH A FRONTAL BOUNDARY AND WEAK LOW
PRESSURE IN THE AREA ALONG WITH AN UPPER SHORTWAVE COMING FOR
MONDAY. ELEVATED INSTABILITY MAY BE SUFFICIENT ENOUGH FOR A FEW
TSTORMS AS WELL.

A COLD FRONT WILL ALSO BRING A BETTER CHC FOR SHOWERS AND POSSIBLY
TSTORMS THURSDAY WITH TEMPS FINALLY RETURNING TO NEAR NORMAL BEHIND
THAT FRONT BY NEXT FRIDAY.

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z SATURDAY)
ISSUED AT 1230 PM EDT FRI OCT 19 2012

PREDOMINANTLY MVFR CONDITIONS THIS AFTERNOON DUE TO LOW CLOUDS AND
SHOWERS WILL DETERIORATE TO MAINLY IFR CONDITIONS THIS EVENING AND
OVERNIGHT DUE TO LOW CLOUDS/SHOWERS. SFC VISBYS WILL ALSO GRADUALLY
DECREASE TO AROUND 3-4 MILES OVERNIGHT IN SHOWERS AND FOG/MIST.

IFR CONDITIONS SHOULD SLOWLY IMPROVE TO MAINLY MVFR BY LATE SATURDAY
MORNING AS CIGS IMPROVE TO AROUND 2-3 KFT AGL AND SHOWERS GRADUALLY
TAPER OFF. SE TO SOUTH WINDS AROUND 10 KTS WILL GRADUALLY VEER TO
THE SW THEN WEST OVERNIGHT INTO SATURDAY MORNING AND SUBSIDE TO 5
KTS OR LESS. WEST TO WNW WINDS WILL INCREASE TO NEAR 10 KTS BY
MIDDAY SATURDAY.

&&

.MARINE...
ISSUED AT 338 PM EDT FRI OCT 19 2012

HOISTED SMALL CRAFT ADVISORY AS NORTHWEST WINDS WILL INCREASE
AFTER MIDNIGHT AND BRING 4 TO 6 FOOT WAVES BY SATURDAY SOUTH OF
HOLLAND.

&&

.HYDROLOGY...
ISSUED AT 338 PM EDT FRI OCT 19 2012

RAINS WILL BE TAPERING OFF SATURDAY AND RIVERS WILL CONTINUE
STEADY OR RISE SLOWLY BUT REMAIN BELOW BANKFULL.

&&

.GRR WATCHES/WARNINGS/ADVISORIES...
MI...NONE.
LM...SMALL CRAFT ADVISORY FROM 4 AM TO 5 PM EDT SATURDAY FOR LMZ844-
     845.

&&

SYNOPSIS...OSTUNO
SHORT TERM...OSTUNO
LONG TERM...LAURENS
AVIATION...LAURENS
HYDROLOGY...OSTUNO
MARINE...OSTUNO

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
552 AM EDT FRI OCT 19 2012

MIZ037>040-043>046-050>052-056>059-064>067-071>074-201000-
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
552 AM EDT FRI OCT 19 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THERE COULD BE SOME THUNDERSTORMS IN THE MONDAY TO TUESDAY
TIMEFRAME. SEVERE WEATHER IS NOT FORECASTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

LMZ844>849-201000-
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
HOLLAND TO GRAND HAVEN MI-GRAND HAVEN TO WHITEHALL MI-
WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI-
552 AM EDT FRI OCT 19 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

WINDS AND WAVES WILL BE HAZARDOUS TO SMALL CRAFT THROUGH THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

WINDS AND WAVES WILL LIKELY BE HAZARDOUS TO SMALL CRAFT SATURDAY
INTO SATURDAY NIGHT.

THERE MAY BE A FEW THUNDERSTORMS MONDAY INTO TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

MJS