Great Lakes Forecast
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000
FZUS63 KDTX 271941
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
341 PM 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...29.30 INCHES...WILL TRACK FROM THE U.P. TO NORTHERN
ONTARIO TONIGHT. WEAK HIGH PRESSURE WILL BUILD INTO LOWER MICHIGAN
ON FRIDAY BEFORE SURFACE HIGH PRESSURE...CENTERED OVER
ONTARIO...STRENGTHENS OVER THE NORTHERN GREAT LAKES ON SATURDAY.
OVER THE SOUTHERN GREAT LAKES...A FRONTAL BOUNDARY WILL DEVELOP AND
BRING PERIODS OF SHOWERS AND THUNDERSTORMS LATE SATURDAY THROUGH
SUNDAY AS IT LIFTS NORTH.

LHZ361-280815-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
341 PM EDT THU APR 27 2017

.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS VEERING TO THE SOUTHWEST IN
THE LATE EVENING AND OVERNIGHT. SCATTERED SHOWERS AND A CHANCE OF
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...WEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 15 KNOTS VEERING TO THE
NORTHWEST IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS EARLY IN THE AFTERNOON. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS BECOMING EAST
10 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN AND SNOW SHOWERS
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.SUNDAY...EAST WINDS 15 TO 20 KNOTS. A CHANCE OF RAIN AND SNOW
SHOWERS EARLY IN THE MORNING...THEN SNOW SHOWERS LIKELY EARLY IN
THE MORNING. SHOWERS. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY
AROUND 8 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 EARLY IN THE MORNING...THEN A
CHANCE OF SHOWERS UNTIL EARLY MORNING. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY AROUND 8 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS. A CHANCE OF SHOWERS. WAVES 3 TO 5 FEET.


$$

LHZ362-363-280815-
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-
341 PM EDT THU APR 27 2017

.TONIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS DECREASING TO 10 TO 15
KNOTS AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND
8 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING SOUTH 5 TO
10 KNOTS IN THE AFTERNOON. WAVES 2 TO 4 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS BECOMING 10 TO 15 KNOTS
AFTER MIDNIGHT. A CHANCE OF SHOWERS. A CHANCE OF SNOW SHOWERS
EARLY IN THE MORNING. 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 RAIN AND SNOW
SHOWERS EARLY IN THE MORNING. WAVES 2 TO 4 FEET.
.SATURDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS IN THE LATE EVENING AND EARLY MORNING...THEN BECOMING
NORTHEAST 15 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS
AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE
LATE EVENING AND EARLY MORNING...THEN BUILDING TO 2 TO 4 FEET
AFTER MIDNIGHT.
.SUNDAY...NORTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS
BECOMING EAST 15 TO 20 KNOTS LATE IN THE EVENING. A CHANCE OF
SHOWERS EARLY IN THE MORNING...THEN 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 5 TO 7 FEET. WAVES OCCASIONALLY AROUND
10 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS
INCREASING TO 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS IN THE LATE
MORNING AND EARLY AFTERNOON...THEN BECOMING WEST 15 TO 20 KNOTS
WITH GUSTS TO 30 KNOTS UNTIL EARLY MORNING. A CHANCE OF SHOWERS.
WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.


$$

LHZ462>464-280815-
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-
341 PM EDT THU APR 27 2017

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


$$

LHZ461-280815-
MAFOR 2721/
HURON NORTH 15510 11510 11400. SCATTERED SHOWERS AND A CHANCE OF
THUNDERSTORMS EARLY THIS EVENING. WAVES 4 TO 6 FEET SUBSIDING TO
2 TO 4 FEET. OCCASIONAL WAVE HEIGHT AROUND 8 FEET TONIGHT. WAVES
1 TO 3 FEET FRIDAY. 210507 210305.

HURON SOUTH 14520 12510 12500. SCATTERED SHOWERS AND A CHANCE
OF THUNDERSTORMS EARLY THIS EVENING...THEN A CHANCE OF
THUNDERSTORMS THIS EVENING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3
FEET TONIGHT. WAVES 1 TO 3 FEET FRIDAY. 210305 210406.

$$

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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