Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 181938
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
338 PM EDT SAT APR 18 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF 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...AVERAGING 30.30 INCHES...WILL BUILD
EASTWARD ACROSS ONTARIO TONIGHT. LOW PRESSURE OF 29.50 INCHES WILL
DEEPEN TO 29.20 INCHES AS IT LIFTS OVER THE OHIO VALLEY INTO LOWER
MICHIGAN SUNDAY INTO SUNDAY. THIS LOW WILL THEN CONTINUE INTO
ONTARIO ON MONDAY WITH A COLD FRONT SWEEPING EASTWARD ACROSS THE
AREA IN ITS WAKE.

LHZ361-190815-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
338 PM EDT SAT APR 18 2015

.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5 TO
10 KNOTS BY MIDNIGHT...THEN BECOMING EAST 10 TO 15 KNOTS AFTER
MIDNIGHT. WAVES 2 FEET OR LESS...BUILDING TO 2 TO 4 FEET LATE.
.SUNDAY...EAST WINDS 15 TO 20 KNOTS. A CHANCE OF SHOWERS BY MID
AFTERNOON. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.SUNDAY NIGHT...EAST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS AFTER MIDNIGHT...THEN DIMINISHING TO 15 TO 20 KNOTS
LATE. SHOWERS. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY AROUND
12 FEET.
.MONDAY...SOUTHEAST WINDS 15 TO 20 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS IN THE AFTERNOON...THEN BECOMING SOUTHWEST 5 TO 10 KNOTS
LATE. SHOWERS LIKELY. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY
AROUND 10 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. A CHANCE OF
SHOWERS. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS. A CHANCE OF SHOWERS. WAVES 2 FEET OR LESS.
.WEDNESDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN DIMINISHING TO 5 TO 10 KNOTS
AFTER MIDNIGHT. A CHANCE OF SHOWERS. A CHANCE OF SNOW SHOWERS
LATE. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS LATE. WAVES 1 TO
3 FEET.


$$

LHZ362-363-190815-
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-
338 PM EDT SAT APR 18 2015

.TONIGHT...NORTH WINDS 5 TO 10 KNOTS...BECOMING EAST 10 TO
15 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST 15 TO
20 KNOTS LATE. WAVES 3 TO 5 FEET.
.SUNDAY NIGHT...EAST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS AFTER MIDNIGHT. SHOWERS. WAVES 5 TO 7 FEET...BUILDING TO
6 TO 9 FEET LATE. WAVES OCCASIONALLY AROUND 12 FEET.
.MONDAY...SOUTHEAST WINDS 20 TO 25 KNOTS...BECOMING SOUTH 15 TO
20 KNOTS IN THE AFTERNOON...THEN BECOMING SOUTHWEST 10 TO
15 KNOTS LATE. SHOWERS LIKELY. WAVES 5 TO 7 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF
SHOWERS. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS IN THE AFTERNOON...THEN INCREASING TO 10 TO 15 KNOTS
AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.THURSDAY...NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET...
BUILDING TO 2 TO 4 FEET LATE.


$$

LHZ462>464-190815-
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-
338 PM EDT SAT APR 18 2015

.TONIGHT...NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST 5 TO
10 KNOTS BY MIDNIGHT...THEN BECOMING EAST 10 TO 15 KNOTS LATE.
WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET BY MIDNIGHT.
.SUNDAY...EAST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS LATE. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET BY
LATE MORNING.
.SUNDAY NIGHT...SOUTHEAST WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS
AFTER MIDNIGHT. SHOWERS. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY
AROUND 10 FEET.
.MONDAY...SOUTH WINDS 20 TO 25 KNOTS...BECOMING SOUTHWEST 10 TO
15 KNOTS. SHOWERS LIKELY. WAVES 5 TO 7 FEET...SUBSIDING TO 2 TO
4 FEET LATE. WAVES OCCASIONALLY AROUND 10 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF
SHOWERS. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS. A CHANCE OF SHOWERS. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.


$$

LHZ461-190815-
MAFOR 1821/
HURON NORTH 11810 11800 11100 12210 13220. WAVES 2 FEET OR
LESS TONIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET WITH
MAXIMUM WAVE HEIGHT AROUND 6 FEET SUNDAY. 220002.

HURON SOUTH 12810 11100 13210 12220. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET OVERNIGHT TONIGHT. WAVES 1 TO 3 FEET
SUNDAY. 220103.

$$

DG

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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