Great Lakes Forecast
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000
FZUS63 KDTX 300744
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
344 AM 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...HIGH PRESSURE...30.40 INCHES...WILL SLIDE ACROSS QUEBEC
TODAY. LOW PRESSURE...DEEPENING TO 29.20 INCHES...WILL MEANWHILE
CONTINUE TO MOVE EAST THROUGH THE PLAINS...BEFORE LIFTING ACROSS THE
WESTERN AND NORTHERN GREAT LAKES MONDAY AND TUESDAY. THE SLOW
APPROACH OF THIS SYSTEM WILL KEEP WEATHER CONDITIONS UNSETTLED
THROUGH THE EARLY PART OF THE WEEK.

LHZ361-302015-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
344 AM EDT SUN APR 30 2017

.TODAY...EAST WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS LATE IN THE
AFTERNOON. PERIODS OF SHOWERS. WAVES 6 TO 9 FEET. WAVES
OCCASIONALLY AROUND 12 FEET.
.TONIGHT...EAST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS.
PERIODS OF SHOWERS AND SCATTERED THUNDERSTORMS. WAVES 6 TO
9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
.MONDAY...EAST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS
DECREASING TO 10 TO 15 KNOTS EARLY IN THE AFTERNOON. PERIODS OF
SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 5 TO 7 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
.MONDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS AFTER MIDNIGHT. SHOWERS LIKELY. WAVES 2 TO 4 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS LATE IN THE AFTERNOON...THEN BECOMING NORTHWEST 10 TO
15 KNOTS LATE IN THE EVENING. SHOWERS LIKELY EARLY IN THE
MORNING...THEN A CHANCE OF SHOWERS EARLY IN THE MORNING. WAVES
3 TO 5 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KNOTS EARLY IN THE MORNING
DECREASING TO 5 TO 10 KNOTS...THEN BACKING TO THE WEST EARLY IN
THE EVENING BECOMING LIGHT AND VARIABLE. WAVES 2 FEET OR LESS.
.THURSDAY...LIGHT AND VARIABLE WINDS BECOMING EAST 5 TO 10 KNOTS.
WAVES 2 FEET OR LESS.


$$

LHZ362-363-462-302015-
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-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
344 AM EDT SUN APR 30 2017

.TODAY...EAST WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS IN THE LATE
MORNING AND AFTERNOON. PERIODS OF SHOWERS. WAVES 6 TO 9 FEET.
WAVES OCCASIONALLY AROUND 12 FEET.
.TONIGHT...NORTHEAST WINDS 20 TO 25 KNOTS DECREASING TO 15 TO
20 KNOTS AFTER MIDNIGHT. GUSTS TO 30 KNOTS. PERIODS OF SHOWERS
AND SCATTERED THUNDERSTORMS. WAVES 8 TO 12 FEET. WAVES
OCCASIONALLY AROUND 15 FEET.
.MONDAY...EAST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS
VEERING TO THE SOUTHEAST IN THE LATE MORNING AND EARLY
AFTERNOON...THEN DECREASING TO 10 TO 15 KNOTS EARLY IN THE
AFTERNOON. PERIODS OF SHOWERS UNTIL LATE AFTERNOON. SCATTERED
THUNDERSTORMS. A CHANCE OF SHOWERS LATE IN THE AFTERNOON. WAVES
5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST
15 TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. A CHANCE OF
SHOWERS. WAVES 3 TO 5 FEET BUILDING TO 5 TO 7 FEET AFTER
MIDNIGHT. WAVES OCCASIONALLY AROUND 10 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS VEERING TO THE WEST
LATE IN THE EVENING. A CHANCE OF SHOWERS UNTIL LATE AFTERNOON.
WAVES 4 TO 6 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING LIGHT AND
VARIABLE. WAVES 2 TO 4 FEET SUBSIDING TO 2 FEET OR LESS. WAVES
OCCASIONALLY AROUND 8 FEET.
.THURSDAY...LIGHT AND VARIABLE WINDS BECOMING NORTH 5 TO 10 KNOTS
UNTIL EARLY MORNING. WAVES 2 FEET OR LESS.


$$

LHZ463-464-302015-
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 AM EDT SUN APR 30 2017

.TODAY...NORTHEAST WINDS 20 TO 25 KNOTS BECOMING EAST 10 TO
15 KNOTS. PERIODS OF SHOWERS. WAVES 3 TO 5 FEET.
.TONIGHT...EAST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO 10 KNOTS
AFTER MIDNIGHT. PERIODS OF SHOWERS AND NUMEROUS THUNDERSTORMS.
WAVES 2 TO 4 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. NUMEROUS
THUNDERSTORMS IN THE MORNING. PERIODS OF SHOWERS. A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 3 TO 5 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST
15 TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. A CHANCE OF
SHOWERS EARLY IN THE EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES 3 TO 5 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS INCREASING TO 20 TO
25 KNOTS LATE IN THE MORNING...THEN BECOMING WEST 15 TO 20 KNOTS
LATE IN THE AFTERNOON DECREASING TO 10 TO 15 KNOTS LATE IN THE
EVENING. A CHANCE OF SHOWERS UNTIL LATE AFTERNOON. WAVES 3 TO
5 FEET.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO
10 KNOTS UNTIL EARLY EVENING...THEN BECOMING LIGHT AND VARIABLE
IN THE LATE EVENING AND EARLY MORNING. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...LIGHT AND VARIABLE WINDS BECOMING NORTHEAST 5 TO
10 KNOTS UNTIL EARLY MORNING. WAVES 2 FEET OR LESS.


$$

LHZ461-302015-
MAFOR 3009/
HURON NORTH 13236 12246 13146. SCATTERED THUNDERSTORMS TONIGHT.
WAVES 2 TO 4 FEET BUILDING TO 5 TO 7 FEET. OCCASIONAL WAVE HEIGHT
AROUND 10 FEET TODAY. WAVES 5 TO 7 FEET. OCCASIONAL WAVE HEIGHT
AROUND 9 FEET TONIGHT. 210406 210507.

HURON SOUTH 11246 13236 11226 13126. SCATTERED THUNDERSTORMS
TONIGHT. WAVES 3 TO 5 FEET BUILDING TO 5 TO 7 FEET. OCCASIONAL
WAVE HEIGHT AROUND 10 FEET TODAY. WAVES 3 TO 5 FEET TONIGHT.
220406.

$$

SC

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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