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2 products issued by NWS for: 7NM SE Mount Clemens MI
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Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
352 PM EDT SUN APR 30 2017

...STRONG SOUTHWEST WINDS DEVELOPING TOMORROW AND PERSISTING
THROUGH TUESDAY...

.MODERATE EASTERLY WINDS OVER NORTHERN AND CENTRAL LAKE HURON WILL
BEGIN TO EASE THIS EVENING AS THE GRADIENT RELAXES. A SECONDARY
INCREASE IN EASTERLY FLOW REMAINS POSSIBLE ACROSS NORTHERN LAKE
HURON TONIGHT AND EARLY MONDAY.  WINDS WILL TURN TO SOUTHERLY AND
INCREASE ON MONDAY AS LOW PRESSURE LIFTS WEST OF LAKE MICHIGAN.
GUSTS AS HIGH AS 30 KNOTS LOOK TO DEVELOP BY AFTERNOON AND CONTINUE
THROUGH THE OVERNIGHT HOURS.  THE COMBINATION OF HIGHER WAVES UNDER
THE EASTERLY FLOW THROUGH TONIGHT, TRANSITIONING TO GUSTY CONDITIONS
ON MONDAY WILL MAINTAIN AN EXTENDED PERIOD OF SMALL CRAFT ADVISORY
CONDITIONS FOR SAGINAW BAY AND PORTIONS OF THE NEARSHORE WATERS.
WINDS ARE EXPECTED TO SHIFT TO THE WEST BEHIND A COLD FRONT ON
TUESDAY, WITH WINDY CONDITIONS PERSISTING THROUGH TUESDAY NIGHT.

LCZ460-010800-
/O.EXB.KDTX.SC.Y.0034.170501T1600Z-170503T0800Z/
LAKE ST. CLAIR-
352 PM EDT SUN APR 30 2017

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

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

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 22 KNOTS FROM THE WEST WITH GUSTS UP TO
  30 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 1 PM EDT TUESDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 12 PM EDT TUESDAY.

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
255 PM EDT Sun Apr 30 2017

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-011000-
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-
255 PM EDT Sun Apr 30 2017

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

.DAY ONE...This Afternoon and Tonight

Scattered thunderstorms this evening and tonight, mainly over Lake
Erie. The strongest storms may produce wind gusts to 30 knots and
heavy rain as they move northeast at 45 MPH.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Small craft advisories are in effect for Monday afternoon through
Tuesday Night. Refer to the latest marine weather warning and
forecast messages for additional information.

.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




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