Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 301944
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
344 PM EDT SUN APR 30 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OFF SHORE ON LAKE HURON

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...LOW PRESSURE OVER THE CENTRAL PLAINS WILL DEEPEN TO
29.20 INCHES AS IT MOVES NORTHEAST TONIGHT. THE LOW WILL LIFT ACROSS
THE WESTERN AND NORTHERN GREAT LAKES MONDAY AND TUESDAY. THE SLOW
MOVEMENT OF THIS SYSTEM WILL KEEP WEATHER CONDITIONS UNSETTLED
THROUGH THE EARLY PART OF THE WEEK.

LHZ361-010815-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
344 PM EDT SUN APR 30 2017

.TONIGHT...EAST WINDS 15 TO 20 KNOTS. SHOWERS.  WAVES 5 TO 7
FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.MONDAY...EAST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS
BECOMING SOUTHEAST 5 TO 10 KNOTS. SHOWERS EARLY IN THE MORNING. A
CHANCE OF THUNDERSTORMS IN THE MORNING. SHOWERS IN THE LATE
MORNING AND AFTERNOON. LOCALLY HEAVY RAINFALL POSSIBLE EARLY IN
THE MORNING. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND
10 FEET.
.MONDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. SHOWERS LIKELY. WAVES
2 TO 4 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS EARLY IN THE AFTERNOON. NUMEROUS SHOWERS. WAVES 2 TO
4 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. NUMEROUS
SHOWERS EARLY IN THE EVENING. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO
4 FEET AFTER MIDNIGHT.
.WEDNESDAY...NORTHWEST WINDS 5 TO 10 KNOTS BECOMING LIGHT AND
VARIABLE. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KNOTS BACKING TO THE EAST UNTIL
EARLY MORNING. WAVES 2 FEET OR LESS.
.FRIDAY...NORTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO 15 KNOTS
IN THE LATE EVENING AND EARLY MORNING. WAVES 1 TO 3 FEET.


$$

LHZ362-363-010815-
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-
344 PM EDT SUN APR 30 2017

.TONIGHT...NORTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS
BECOMING EAST 15 TO 20 KNOTS AFTER MIDNIGHT. SHOWERS. WAVES 6 TO
9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
.MONDAY...EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS EARLY IN THE AFTERNOON...THEN BECOMING SOUTH 15 TO
20 KNOTS LATE IN THE AFTERNOON. SHOWERS AND A CHANCE OF
THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 4 TO 6 FEET.
.MONDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS. SCATTERED SHOWERS.
WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO
15 KNOTS EARLY IN THE AFTERNOON. SCATTERED SHOWERS. WAVES 4 TO
6 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS. SCATTERED SHOWERS
EARLY IN THE EVENING. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY
AROUND 8 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO
10 KNOTS LATE IN THE MORNING...THEN BECOMING LIGHT AND VARIABLE
LATE IN THE AFTERNOON BECOMING SOUTHEAST 5 TO 10 KNOTS LATE IN
THE EVENING. WAVES 2 TO 4 FEET SUBSIDING TO 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS BACKING TO THE
NORTHEAST IN THE LATE EVENING AND EARLY MORNING. WAVES 2 FEET OR
LESS.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING NORTH 15 TO
20 KNOTS UNTIL EARLY MORNING. WAVES 1 TO 3 FEET BUILDING TO 4 TO
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.


$$

LHZ462>464-010815-
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-
344 PM EDT SUN APR 30 2017

.TONIGHT...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO
10 KNOTS LATE IN THE EVENING...THEN VEERING TO THE EAST AFTER
MIDNIGHT INCREASING TO 10 TO 15 KNOTS EARLY IN THE MORNING.
SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 5 TO 7 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. SHOWERS AND A CHANCE
OF THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 3 TO 5 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS. SCATTERED
SHOWERS. WAVES 3 TO 5 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS
INCREASING TO 20 TO 25 KNOTS EARLY IN THE AFTERNOON. SCATTERED
SHOWERS. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.TUESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS. SCATTERED SHOWERS
EARLY IN THE EVENING. WAVES 3 TO 5 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO
10 KNOTS LATE IN THE MORNING...THEN BECOMING LIGHT AND VARIABLE
LATE IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET.
.THURSDAY...EAST WINDS 5 TO 10 KNOTS BACKING TO THE NORTHEAST IN
THE LATE EVENING AND EARLY MORNING. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING NORTH 15 TO
20 KNOTS. A CHANCE OF SHOWERS EARLY IN THE EVENING. WAVES 1 TO
3 FEET BUILDING TO 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.


$$

LHZ461-010815-
MAFOR 3021/
HURON NORTH 15236 11320 11310. A CHANCE OF THUNDERSTORMS IN THE
MORNING...THEN A CHANCE OF SHOWERS MONDAY AFTERNOON. WAVES 5 TO 7
FEET. OCCASIONAL WAVE HEIGHT AROUND 10 FEET TONIGHT. WAVES 4 TO 6
FEET SUBSIDING TO 2 TO 4 FEET. OCCASIONAL WAVE HEIGHT AROUND 8
FEET MONDAY. 220508.

HURON SOUTH 12136 11226 12216 11326 12420. A CHANCE OF
THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF SHOWERS MONDAY
AFTERNOON. WAVES 4 TO 6 FEET SUBSIDING TO 3 TO 5 FEET. OCCASIONAL
WAVE HEIGHT AROUND 8 FEET TONIGHT. WAVES 2 TO 4 FEET MONDAY.
220507.

$$

SF

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLE (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



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