Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 270747
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
347 AM EDT THU APR 27 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 OF 29.30 INCHES WILL TRACK ACROSS NORTHERN LAKE
MICHIGAN AND THE U.P. DURING THE LATE MORNING AND AFTERNOON. WEAK
HIGH PRESSURE WILL BUILD INTO LOWER MICHIGAN TONIGHT BEFORE SURFACE
HIGH PRESSURE STRENGTHENS OVER THE NORTHERN GREAT LAKES FOR THIS
WEEKEND. OVER THE SOUTHERN GREAT LAKES...A FRONTAL BOUNDARY WILL
ORGANIZED BRINGING PERIODS OF SHOWERS AND THUNDERSTORMS LATE
SATURDAY THROUGH MONDAY.

LHZ361-272015-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
347 AM EDT THU APR 27 2017

.TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 3 TO 5 FEET
BUILDING TO 5 TO 7 FEET IN THE AFTERNOON. WAVES OCCASIONALLY
AROUND 10 FEET.
.TONIGHT...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. A CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE EVENING. WAVES 4 TO 6 FEET
SUBSIDING TO 2 TO 4 FEET EARLY IN THE MORNING. WAVES OCCASIONALLY
AROUND 8 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 5 TO
10 KNOTS EARLY IN THE AFTERNOON. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 10 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.SUNDAY...EAST WINDS 15 TO 20 KNOTS. SNOW SHOWERS LIKELY IN THE
MORNING. SHOWERS. WAVES 4 TO 6 FEET BUILDING TO 6 TO 9 FEET UNTIL
EARLY MORNING. WAVES OCCASIONALLY AROUND 12 FEET.
.MONDAY...EAST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO 15 KNOTS
IN THE LATE MORNING AND EARLY AFTERNOON...THEN VEERING TO THE
SOUTH UNTIL EARLY MORNING. SHOWERS...THEN A CHANCE OF SHOWERS
UNTIL EARLY MORNING. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND
8 FEET.


$$

LHZ362-363-272015-
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-
347 AM EDT THU APR 27 2017

.TODAY...SOUTHEAST WINDS 15 TO 20 KNOTS. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 4 TO 6 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE EVENING. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY
AROUND 8 FEET.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTHWEST
10 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND
OVERNIGHT.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS EARLY
IN THE MORNING. A CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 2 TO
4 FEET.
.SUNDAY...NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST 20 TO
25 KNOTS WITH GUSTS TO 30 KNOTS UNTIL EARLY EVENING...THEN
DECREASING TO 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE
EVENING AND EARLY MORNING. A CHANCE OF SHOWERS EARLY IN THE
MORNING...THEN SNOW SHOWERS LIKELY EARLY IN THE MORNING. SHOWERS.
WAVES 4 TO 6 FEET BUILDING TO 6 TO 9 FEET. WAVES OCCASIONALLY
AROUND 12 FEET.
.MONDAY...EAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS
IN THE LATE MORNING AND EARLY AFTERNOON...THEN VEERING TO THE
SOUTH UNTIL EARLY MORNING. SHOWERS EARLY IN THE MORNING...THEN A
CHANCE OF SHOWERS. WAVES 4 TO 6 FEET.


$$

LHZ462>464-272015-
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-
347 AM EDT THU APR 27 2017

.TODAY...SOUTH WINDS 15 TO 20 KNOTS. SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. WAVES 3 TO 5 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS EARLY IN THE MORNING. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. WAVES 3 TO 5 FEET SUBSIDING
TO 1 TO 3 FEET EARLY IN THE MORNING.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET BUILDING
TO 2 TO 4 FEET EARLY IN THE AFTERNOON.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN VEERING TO
THE SOUTH 5 TO 10 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS.
WAVES 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS EARLY
IN THE MORNING. A CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
.SUNDAY...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 15 TO
20 KNOTS EARLY IN THE EVENING...THEN DECREASING TO 10 TO 15 KNOTS
IN THE LATE EVENING AND EARLY MORNING. A CHANCE OF SHOWERS EARLY
IN THE MORNING...THEN SHOWERS LIKELY. WAVES 4 TO 6 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS. SHOWERS LIKELY EARLY IN THE MORNING...THEN A CHANCE OF
SHOWERS UNTIL EARLY EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES 3 TO 5 FEET. WAVES OCCASIONALLY AROUND 8 FEET.


$$

LHZ461-272015-
MAFOR 2709/
HURON NORTH 13320 11430 11420 11510 11610 11510. A CHANCE OF
SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND EVENING. WAVES 1 TO
3 FEET BUILDING TO 5 TO 7 FEET. OCCASIONAL WAVE HEIGHT AROUND 10
FEET TODAY. WAVES 4 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.
OCCASIONAL WAVE HEIGHT AROUND 8 FEET TONIGHT. 210204 210305.

HURON SOUTH 12320 12420 13520 11510. A CHANCE OF SHOWERS AND
THUNDERSTORMS THIS AFTERNOON AND EVENING. WAVES 2 TO 4 FEET
BUILDING TO 3 TO 5 FEET TODAY. WAVES 3 TO 5 FEET SUBSIDING TO 1
TO 3 FEET TONIGHT. 210204 210305.

$$

DRK

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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