Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 280205
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1005 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-
1005 PM EDT THU APR 27 2017

.REST OF TONIGHT...WEST WINDS 15 TO 20 KNOTS WITH GUSTS TO
30 KNOTS BECOMING SOUTHWEST 10 TO 15 KNOTS EARLY IN THE MORNING.
WAVES 2 TO 4 FEET.
.FRIDAY...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 10 TO
15 KNOTS IN THE AFTERNOON. 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.
.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 5 TO 7 FEET
SUBSIDING TO 2 TO 4 FEET UNTIL EARLY MORNING. WAVES OCCASIONALLY
AROUND 10 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-
1005 PM EDT THU APR 27 2017

.REST OF TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS. GUSTS TO
30 KNOTS. WAVES 3 TO 5 FEET.
.FRIDAY...SOUTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS
BECOMING SOUTH 5 TO 10 KNOTS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET IN THE LATE MORNING AND AFTERNOON.
.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 1 TO 3 FEET.
.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 1 TO 3 FEET 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 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.
.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-
1005 PM EDT THU APR 27 2017

.REST OF TONIGHT...SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO 30
KNOTS AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING SOUTH 5 TO
10 KNOTS LATE IN THE AFTERNOON. WAVES 1 TO 3 FEET.
.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 2 TO 4 FEET.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SHOWERS LIKELY
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...EAST WINDS 15 TO 20 KNOTS DECREASING TO 5 TO 10 KNOTS.
SHOWERS. A CHANCE OF THUNDERSTORMS. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY AROUND 8 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.
.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 2803/
HURON NORTH 11610 14510 11400 11100 11800. WAVES 2 TO 4 FEET
OVERNIGHT AND FRIDAY. WAVES 2 FEET OR LESS FRIDAY EVENING.
220204.

HURON SOUTH 14520 11510 11500 11410 11400. A CHANCE OF
SHOWERS FRIDAY EVENING. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4
FEET OVERNIGHT. WAVES 1 TO 3 FEET FRIDAY AND FRIDAY EVENING.
220305.

$$

BT

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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