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Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
358 PM EDT SUN SEP 25 2016

...STRONG STORM TO AFFECT THE GREAT LAKES THROUGH TUESDAY...

.SMALL CRAFT ADVISORIES REMAIN IN EFFECT FROM TONIGHT INTO TUESDAY
EVENING AS SOUTHEAST FLOW INCREASES IN ADVANCE OF APPROACHING COLD
FRONT AND LEADS TO STEADILY BUILDING WAVES INTO TONIGHT WITH STRONG
SOUTHWEST FLOW THEN BECOMING ESTABLISHED IN THE WAKE OF THIS FRONT
FROM MONDAY INTO TUESDAY.

AVERAGE WIND GUSTS OVER THE OPEN WATERS OF LAKE HURON WILL TOP
OUT AROUND 30 TO 32 KNOTS, BOTH IN SOUTHEAST FLOW OVER LAKE HURON
TONIGHT AND WEST TO SOUTHWEST FLOW FROM MONDAY INTO TUESDAY.

A LARGE UPPER LEVEL LOW PRESSURE SYSTEM WILL GRADUALLY BUILD INTO
THE CENTRAL GREAT LAKES IN THE WAKE OF THE VIGOROUS COLD FRONT.
THIS WILL HELP TO DIMINISH THE WINDS FOR TUESDAY NIGHT AND
WEDNESDAY.

LCZ460-LEZ444-260800-
/O.EXB.KDTX.SC.Y.0054.160926T1800Z-160928T0200Z/
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
358 PM EDT SUN SEP 25 2016

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

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 18 KNOTS FROM THE WEST WITH GUSTS UP TO
  25 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 8 PM EDT MONDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EDT 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.

&&

$$


Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
320 PM EDT SUN SEP 25 2016

MIZ047>049-053>055-060>063-068>070-075-076-082-083-260815-
MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-SHIAWASSEE-GENESEE-LAPEER-
ST. CLAIR-LIVINGSTON-OAKLAND-MACOMB-WASHTENAW-WAYNE-LENAWEE-MONROE-
320 PM EDT SUN SEP 25 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MICHIGAN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THE POTENTIAL EXISTS FOR THUNDERSTORM ACTIVITY ACROSS SOUTHEASTERN
MICHIGAN TONIGHT. NO SEVERE WEATHER IS EXPECTED. THUNDERSTORMS ARE
EXPECTED TO TRACK FROM THE SOUTHWEST TO THE NORTHEAST AT 40 MPH.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
320 PM EDT SUN SEP 25 2016

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-260815-
LAKE ST. CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND 5NM
OFF SHORE-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF SHORE-
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-
PORT AUSTIN TO HARBOR BEACH MI-HARBOR BEACH TO PORT SANILAC MI-
PORT SANILAC TO PORT HURON MI-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
320 PM EDT SUN SEP 25 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE ERIE...LAKE
HURON AND LAKE ST CLAIR.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THE POTENTIAL EXISTS FOR THUNDERSTORM ACTIVITY ACROSS THE AREA
TONIGHT. NO SEVERE WEATHER IS EXPECTED. THUNDERSTORMS ARE EXPECTED
TO TRACK FROM THE SOUTHWEST TO THE NORTHEAST AT 35 KNOTS.

SMALL CRAFT ADVISORIES ARE IN EFFECT TONIGHT FOR ALL OF THE
NEARSHORE WATERS OF LAKE HURON INCLUDING SAGINAW BAY. PLEASE REFER
TO THE LATEST MARINE FORECASTS FOR ADDITIONAL INFORMATION.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SMALL CRAFT ADVISORIES REMAIN IN EFFECT MONDAY AND TUESDAY AND
EXPAND TO INCLUDE LAKE ST CLAIR AND THE MICHIGAN WATERS OF LAKE
ERIE. GALE WARNINGS MAY EVENTUALLY BE NEEDED FOR PORTIONS OF LAKE
HURON LATE MONDAY INTO MONDAY NIGHT AS GUSTS POTENTIALLY APPROACH 35
KNOTS OVER CENTRAL PORTIONS OF LAKE HURON. PLEASE REFER TO THE
LATEST MARINE FORECASTS FOR ADDITIONAL INFORMATION.

THERE WILL ALSO BE A CHANCE OF THUNDERSTORMS OVER THE OPEN WATERS OF
LAKE HURON MONDAY NIGHT THROUGH TUESDAY NIGHT AS COOLER AIR BRINGS
INCREASING INSTABILITY OVER THE RELATIVELY MILD LAKE WATERS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

$$

YOU CAN OBTAIN YOUR LATEST NATIONAL WEATHER SERVICE FORECASTS ONLINE
AT WWW.WEATHER.GOV/DETROIT (ALL LOWER CASE).

CB/DG

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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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