Great Lakes Forecast
Issued by NWS

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FZUS63 KDTX 211945
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
345 PM EDT TUE APR 21 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...LOW PRESSURE...AVERAGING 29.20 INCHES...CURRENTLY OVER
THE JAMES BAY WILL START TO SHIFT OFF TOWARDS THE EAST COAST OVER
THE NEXT FEW DAYS.  THE NEXT COLD FRONT IS EXPECTED TO SLIDE THROUGH
THE CENTRAL GREAT LAKES EARLY WEDNESDAY MORNING.

LHZ361-362-220815-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
LAKE HURON FROM PRESQUE ISLE LIGHT TO STURGEON POINT MI BEYOND
5NM OFF SHORE-
345 PM EDT TUE APR 21 2015

.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS...BECOMING WEST. A
CHANCE OF SHOWERS. WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET
AFTER MIDNIGHT.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS...INCREASING TO 20 TO 25
KNOTS WITH GUSTS TO 30 KNOTS. SCATTERED RAIN AND SNOW SHOWERS.
WAVES 3 TO 5 FEET...BUILDING TO 6 TO 9 FEET BY MID AFTERNOON.
WAVES OCCASIONALLY AROUND 12 FEET.
.WEDNESDAY NIGHT...WEST WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS.
WAVES 6 TO 9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
.THURSDAY...NORTHWEST WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS.
WAVES 6 TO 9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 20 TO 25 KNOTS. GUSTS TO
30 KNOTS. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
.FRIDAY...NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT
GALES...DIMINISHING TO 5 TO 10 KNOTS. WAVES 6 TO 9 FEET...
SUBSIDING TO 3 TO 5 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY
AROUND 12 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.SUNDAY...NORTH WINDS 5 TO 10 KNOTS...BECOMING NORTHWEST 10 TO
15 KNOTS BY LATE MORNING...THEN DIMINISHING TO 5 TO 10 KNOTS BY
MIDNIGHT. WAVES 1 TO 3 FEET.


$$

LHZ363-220815-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
345 PM EDT TUE APR 21 2015

.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS WITH GUSTS TO 25 KNOTS
EARLY. A CHANCE OF SHOWERS LATE. WAVES 3 TO 5 FEET...SUBSIDING TO
2 TO 4 FEET LATE.
.WEDNESDAY...WEST WINDS 5 TO 10 KNOTS...INCREASING TO 10 TO
15 KNOTS BY MID AFTERNOON. NUMEROUS RAIN AND SNOW SHOWERS. WAVES
1 TO 3 FEET...BUILDING TO 2 TO 4 FEET BY MID AFTERNOON.
.WEDNESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS
AFTER MIDNIGHT. WAVES 5 TO 7 FEET. WAVES OCCASIONALLY AROUND
10 FEET.
.THURSDAY...NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS TO
30 KNOTS...DIMINISHING TO 10 TO 15 KNOTS BY AFTERNOON. WAVES 6 TO
9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO
20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS AFTER MIDNIGHT. WAVES 6 TO
9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
.FRIDAY...NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS...
DIMINISHING TO 5 TO 10 KNOTS. WAVES 6 TO 9 FEET...SUBSIDING TO
3 TO 5 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 12 FEET.
.SATURDAY...NORTH WINDS 5 TO 10 KNOTS...BECOMING NORTHWEST 10 TO
15 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.SUNDAY...NORTH WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY LATE MORNING...THEN BECOMING NORTHWEST 10 TO 15 KNOTS
LATE...DIMINISHING TO 5 TO 10 KNOTS BY MIDNIGHT. WAVES 1 TO
3 FEET.


$$

LHZ462>464-220815-
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-
345 PM EDT TUE APR 21 2015

.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS WITH GUSTS TO 25 KNOTS
EARLY. A CHANCE OF SHOWERS LATE. WAVES 2 TO 4 FEET...SUBSIDING TO
1 TO 3 FEET LATE.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS. NUMEROUS RAIN AND SNOW
SHOWERS. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET LATE.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST
15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS AFTER MIDNIGHT. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.THURSDAY...WEST WINDS 15 TO 20 KNOTS...BECOMING NORTHWEST 5 TO
10 KNOTS. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.THURSDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS...BECOMING NORTHWEST
15 TO 20 KNOTS WITH GUSTS TO 30 KNOTS AFTER MIDNIGHT. WAVES 5 TO
7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.FRIDAY...NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS...
DIMINISHING TO 10 TO 15 KNOTS IN THE AFTERNOON...THEN BECOMING
LIGHT AND VARIABLE IN THE EVENING...BECOMING NORTHWEST 5 TO
10 KNOTS AFTER MIDNIGHT. WAVES 4 TO 6 FEET.
.SATURDAY...NORTH WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET. WAVES
OCCASIONALLY AROUND 8 FEET.
.SUNDAY...NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST 5 TO
10 KNOTS LATE. WAVES 1 TO 3 FEET.


$$

LHZ461-220815-
MAFOR 2121/
HURON NORTH 12520 11510 12610 11720 11630 11630 19650. A
CHANCE OF SNOW SHOWERS LATE...THEN A CHANCE OF RAIN SHOWERS LATE
TONIGHT. A CHANCE OF RAIN SHOWERS AND SCATTERED SNOW SHOWERS
EARLY IN THE AFTERNOON. SCATTERED RAIN AND SNOW SHOWERS LATE
WEDNESDAY. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET OVERNIGHT
WITH MAXIMUM WAVE HEIGHT AROUND 7 FEET TONIGHT. WAVES 1 TO 3 FEET
BUILDING TO 4 TO 6 FEET WITH MAXIMUM WAVE HEIGHT AROUND 8 FEET
WEDNESDAY. 220305.

HURON SOUTH 11526 11520 13510 11617 12717. A CHANCE OF SNOW
SHOWERS LATE TONIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET
OVERNIGHT WITH MAXIMUM WAVE HEIGHT AROUND 7 FEET TONIGHT. WAVES 1
TO 3 FEET WEDNESDAY. 220204.

$$

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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