Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 180748
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
348 AM 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 OVER
THE NORTHERN GREAT LAKES AND ONTARIO TODAY AND TONIGHT. A LARGE LOW
PRESSURE SYSTEM...AVERAGING 29.50 INCHES...WILL THEN LIFT THROUGH
THE AREA SUNDAY AND MONDAY WHILE DEEPENING TO 29.20 INCHES.

LHZ361-182015-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
348 AM EDT SAT APR 18 2015

.TODAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST 5 TO
10 KNOTS BY LATE MORNING...THEN BECOMING LIGHT AND VARIABLE LATE.
WAVES 1 TO 3 FEET.
.TONIGHT...LIGHT AND VARIABLE WINDS...BECOMING EAST 10 TO
15 KNOTS OVERNIGHT. WAVES 1 TO 3 FEET.
.SUNDAY...EAST WINDS 15 TO 20 KNOTS. A CHANCE OF SHOWERS BY MID
AFTERNOON. WAVES 3 TO 5 FEET.
.SUNDAY NIGHT...EAST WINDS 20 TO 25 KNOTS. SHOWERS. WAVES 5 TO
7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST
5 TO 10 KNOTS. SHOWERS LIKELY...THEN A CHANCE OF SHOWERS BY LATE
EVENING. WAVES 5 TO 7 FEET...SUBSIDING TO 1 TO 3 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING WEST 10 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS. WAVES 2 FEET OR
LESS.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST 5 TO
10 KNOTS BY MIDNIGHT. A CHANCE OF SHOWERS LATE. WAVES 1 TO
3 FEET.


$$

LHZ362-363-182015-
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-
348 AM EDT SAT APR 18 2015

.TODAY...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING 5 TO 10 KNOTS
LATE. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET LATE.
.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...INCREASING TO 15 TO
20 KNOTS LATE. WAVES 2 TO 4 FEET...BUILDING TO 3 TO 5 FEET BY
AFTERNOON.
.SUNDAY NIGHT...EAST WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO
25 KNOTS AFTER MIDNIGHT. SHOWERS. WAVES 5 TO 7 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN VEERING TO THE SOUTHWEST.
SHOWERS LIKELY. A CHANCE OF SHOWERS BY LATE EVENING. WAVES 5 TO
7 FEET...SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY AROUND
10 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 BY LATE MORNING...THEN BECOMING NORTHWEST 10 TO 15 KNOTS
LATE. A CHANCE OF SHOWERS LATE. WAVES 1 TO 3 FEET...BUILDING TO
2 TO 4 FEET LATE...THEN SUBSIDING TO 1 TO 3 FEET BY MIDNIGHT.


$$

LHZ462>464-182015-
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-
348 AM EDT SAT APR 18 2015

.TODAY...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTH 15 TO
20 KNOTS BY LATE MORNING...THEN DIMINISHING TO 10 TO 15 KNOTS BY
MID AFTERNOON. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET BY
LATE MORNING.
.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
AFTERNOON.
.SUNDAY NIGHT...SOUTHEAST WINDS 20 TO 25 KNOTS. SHOWERS. WAVES
5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN VEERING TO THE SOUTHWEST.
SHOWERS LIKELY...THEN A CHANCE OF SHOWERS BY LATE EVENING. WAVES
5 TO 7 FEET...SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY AROUND
10 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 1 TO 3 FEET.


$$

LHZ461-182015-
MAFOR 1809/
HURON NORTH 11620 12720 12710 11800 11100 11210. WAVES 1 TO
3 FEET. 220103.

HURON SOUTH 11600 11710 13820 11810 11100 11200. WAVES 2
FEET OR LESS BUILDING TO 2 TO 4 FEET TODAY. WAVES 2 TO 4 FEET
SUBSIDING TO 2 FEET OR LESS OVERNIGHT TONIGHT. 220002.

$$

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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