weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

2 products issued by NWS for: 7NM SE Mount Clemens MI
Share |


Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
352 PM EDT THU AUG 17 2017

...GUSTY WINDS THROUGH FRIDAY...

.SOUTH-SOUTHEAST WINDS GENERALLY IN THE 15 TO 20 KNOT RANGE THIS
AFTERNOON WILL SHIFT TO THE SOUTHWEST TOMORROW BEHIND THE COLD FRONT
WHICH IS TRACKING THROUGH THIS EVENING. POST FRONTAL COLD AIR
ADVECTION WILL BOOST THE OVER-LAKE INSTABILITY PROFILE, AND ALLOW
FOR PEAK WIND GUSTS MORE IN THE 20 TO 30 KNOT RANGE. WIND AND WAVES
WILL THEN DECREASE OVER THE WEEKEND AS HIGH PRESSURE BUILDS INTO THE
GREAT LAKES REGION.

LCZ460-LEZ444-180830-
/O.EXB.KDTX.SC.Y.0055.170818T1600Z-170819T0000Z/
LAKE ST CLAIR-
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
352 PM EDT THU AUG 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A
SMALL CRAFT ADVISORY WHICH IS IN EFFECT FROM NOON TO 8 PM EDT
FRIDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 16 KNOTS FROM THE WEST WITH GUSTS UP TO
  23 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 2
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 2 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 2 PM EDT FRIDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 4 PM EDT FRIDAY.

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
1149 AM EDT Thu Aug 17 2017

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-181000-
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-
1149 AM EDT Thu Aug 17 2017

This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.

.DAY ONE...This Afternoon and Tonight

Thunderstorms likely this afternoon, tapering off early this evening.
There is a slight risk for storms to become severe capable of
producing damaging winds and a waterspout. Torrential rainfall will
occur with any thunderstorm. Storms will be moving to the northeast
around 30 knots.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There is a chance of thunderstorms Saturday and again on Tuesday.

.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.

SF




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: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE