Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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WHUS73 KDTX 301952
MWWDTX

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.

LHZ442-443-010800-
/O.CAN.KDTX.SC.Y.0034.000000T0000Z-170501T0200Z/
/O.NEW.KDTX.SC.Y.0035.170501T1600Z-170503T0800Z/
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-
352 PM EDT SUN APR 30 2017

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

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 21 KNOTS FROM THE SOUTHWEST WITH GUSTS
  UP TO 29 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 11 AM EDT
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 4 PM EDT
  MONDAY.

THE SMALL CRAFT ADVISORY HAS BEEN CANCELLED.

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.

&&

$$

LEZ444-010800-
/O.NEW.KDTX.SC.Y.0035.170501T1600Z-170503T0800Z/
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-
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 25 KNOTS FROM THE WEST WITH GUSTS UP TO
  33 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL BE 4
  FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 5 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 10 AM EDT
  TUESDAY WITH THE LARGEST WAVES EXPECTED AROUND 2 AM 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.

&&

$$

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.

&&

$$

LHZ421-441-010800-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-170503T0800Z/
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-
352 PM EDT SUN APR 30 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT WEDNESDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 4 AM EDT
WEDNESDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 24 KNOTS FROM THE SOUTHWEST WITH GUSTS
  UP TO 31 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL
  BE 7 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 10 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EDT TUESDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 9 PM EDT SUNDAY.

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.

&&

$$

LHZ422-010800-
/O.EXT.KDTX.SC.Y.0034.000000T0000Z-170503T0800Z/
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-
352 PM EDT SUN APR 30 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EDT WEDNESDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 4 AM EDT
WEDNESDAY.

* WIND AND WAVES: DURING THE SMALL CRAFT ADVISORY...EXPECT
  SUSTAINED WINDS UP TO 24 KNOTS FROM THE SOUTHWEST WITH GUSTS
  UP TO 32 KNOTS. THE LARGEST EXPECTED SIGNIFICANT WAVES WILL
  BE 5 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 7 FEET.

* TIMING: THE MAXIMUM WINDS ARE EXPECTED AROUND 3 AM EDT TUESDAY
  WITH THE LARGEST WAVES EXPECTED AROUND 3 PM EDT SUNDAY.

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.

&&

$$

SF


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