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NWS Forecast

FZUS63 KDTX 301341
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
941 AM EDT MON MAR 30 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
A COLD FRONT IS SLIPPING THROUGH LAKE HURON
TODAY...ALLOWING FOR MARGINAL NORTHWEST GALES OVER NORTHERN LAKE
HURON. WINDS WILL DIMINISH THIS AFTERNOON AND TONIGHT...AS LOW
PRESSURE...29.70 INCHES...RACES THROUGH SOUTHERN LOWER MICHIGAN
OVERNIGHT. SURFACE HIGH PRESSURE WILL THEN EXPAND AGGRESSIVELY
OVER THE CENTRAL GREAT LAKES REGION TUESDAY AND TUESDAY NIGHT.

LHZ361-362-302015-
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-
941 AM EDT MON MAR 30 2015

GALE WARNING IN EFFECT UNTIL 6 PM EDT THIS EVENING


REST OF TODAY
WEST WINDS 20 TO 25 KNOTS...DIMINISHING TO 15 TO
20 KNOTS LATE. GUSTS TO 35 KNOT GALES. WAVES 8 TO 12 FEET. WAVES
OCCASIONALLY AROUND 15 FEET.

TONIGHT
NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING NORTH 5 TO
10 KNOTS BY MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS LATE.
WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.

TUESDAY
NORTHEAST WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN BECOMING NORTHWEST 5 TO 10 KNOTS
LATE. WAVES 3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET LATE.

TUESDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHWEST
5 TO 10 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.

WEDNESDAY
LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE AFTERNOON...THEN BECOMING SOUTH 15 TO 20 KNOTS. A
CHANCE OF SHOWERS. WAVES 2 FEET OR LESS...BUILDING TO 6 TO
9 FEET. WAVES OCCASIONALLY AROUND 12 FEET.

THURSDAY
SOUTH WINDS 10 TO 15 KNOTS...VEERING TO THE SOUTHWEST
IN THE AFTERNOON...THEN DIMINISHING TO 5 TO 10 KNOTS LATE...
BECOMING WEST 10 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SHOWERS
THROUGH LATE AFTERNOON. WAVES 5 TO 7 FEET...SUBSIDING TO 1 TO
3 FEET LATE. WAVES OCCASIONALLY AROUND 10 FEET.

FRIDAY
NORTHWEST WINDS 10 TO 15 KNOTS...DIMINISHING TO 5 TO
10 KNOTS BY MIDNIGHT. WAVES 2 TO 4 FEET.



LHZ363-462-302015-
LAKE HURON FROM STURGEON POINT TO ALABASTER MI BEYOND 5NM OFF
SHORE-
LAKE HURON FROM PORT AUSTIN TO HARBOR BEACH BEYOND 5NM OFF SHORE-
941 AM EDT MON MAR 30 2015

REST OF TODAY
WEST WINDS 10 TO 20 KNOTS WITH GUSTS TO 25
KNOTS... BECOMING NORTHWEST. WAVES 6 TO 9 FEET. WAVES
OCCASIONALLY AROUND 12 FEET.

TONIGHT
NORTHWEST WINDS 5 TO 10 KNOTS...BECOMING NORTHEAST
10 TO 15 KNOTS LATE. A CHANCE OF SNOW SHOWERS BY MIDNIGHT. WAVES
3 TO 5 FEET...SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.

TUESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. WAVES 3 TO 5 FEET.

TUESDAY NIGHT
NORTH WINDS 5 TO 10 KNOTS...BACKING TO THE WEST
LATE. WAVES 1 TO 3 FEET.

WEDNESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS...BECOMING SOUTH 10 TO
15 KNOTS IN THE AFTERNOON...THEN INCREASING TO 15 TO 20 KNOTS IN
THE EVENING...INCREASING TO 20 TO 25 KNOTS AFTER MIDNIGHT. A
CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 2 FEET OR LESS...BUILDING
TO 5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.

THURSDAY
SOUTH WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN BECOMING SOUTHWEST 5 TO 10 KNOTS
LATE...BECOMING WEST 10 TO 15 KNOTS AFTER MIDNIGHT. SHOWERS
LIKELY...THEN A CHANCE OF SHOWERS. WAVES 4 TO 6 FEET...SUBSIDING
TO 1 TO 3 FEET LATE. WAVES OCCASIONALLY AROUND 8 FEET.

FRIDAY
NORTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS
LATE. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET.



LHZ463-464-302015-
LAKE HURON FROM HARBOR BEACH TO PORT SANILAC BEYOND 5NM OFF SHORE-
LAKE HURON FROM PORT SANILAC TO PORT HURON BEYOND 5NM OFF SHORE-
941 AM EDT MON MAR 30 2015

REST OF TODAY
WEST WINDS 15 TO 20 KNOTS...BECOMING NORTHWEST
10 TO 15 KNOTS BY EARLY AFTERNOON. WAVES 3 TO 5 FEET.

TONIGHT
LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO 10 KNOTS
AFTER MIDNIGHT...THEN INCREASING TO 10 TO 15 KNOTS LATE. A CHANCE
OF SNOW SHOWERS THROUGH MIDNIGHT...THEN SNOW SHOWERS LIKELY AFTER
MIDNIGHT. WAVES 2 TO 4 FEET...SUBSIDING TO 1 TO 3 FEET BY
MIDNIGHT.

TUESDAY
NORTHEAST WINDS 15 TO 20 KNOTS...BACKING TO THE NORTH
WITH GUSTS TO 30 KNOTS BY AFTERNOON. A CHANCE OF SNOW SHOWERS
THROUGH EARLY AFTERNOON. A CHANCE OF SHOWERS BY LATE MORNING.
WAVES 2 TO 4 FEET.

TUESDAY NIGHT
NORTH WINDS 5 TO 10 KNOTS IN THE EVENING...
BECOMING LIGHT AND VARIABLE OVERNIGHT. WAVES 1 TO 3 FEET.

WEDNESDAY
LIGHT AND VARIABLE WINDS...BECOMING SOUTH 15 TO
20 KNOTS. WAVES 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT.

THURSDAY
SOUTH WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON...THEN BECOMING SOUTHWEST 5 TO 10 KNOTS
LATE. SHOWERS LIKELY...THEN A CHANCE OF SHOWERS. WAVES 2 TO
4 FEET...SUBSIDING TO 1 TO 3 FEET.

FRIDAY
WEST WINDS 5 TO 10 KNOTS...BECOMING NORTHWEST 10 TO
15 KNOTS BY LATE MORNING...THEN BECOMING NORTH 5 TO 10 KNOTS BY
MIDNIGHT. A CHANCE OF SHOWERS LATE. WAVES 1 TO 3 FEET.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.



LHZ461-302015-
MAFOR 3015/
HURON NORTH...GALE WARNING IN EFFECT...11740 19750 12730 11720
12810 12120. A CHANCE OF SNOW SHOWERS TONIGHT. WAVES 6 TO 9 FEET
WITH MAXIMUM WAVE HEIGHT AROUND 12 FEET THIS AFTERNOON. WAVES 3
TO 5 FEET SUBSIDING TO 1 TO 3 FEET OVERNIGHT WITH MAXIMUM WAVE
HEIGHT AROUND 7 FEET TONIGHT. WAVES 2 TO 4 FEET TUESDAY MORNING.
210710 210609.

HURON SOUTH 11620 11720 11700 11800 11100 11207 11110
11120. A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT TONIGHT. A CHANCE
OF SNOW SHOWERS TUESDAY MORNING. WAVES 4 TO 6 FEET WITH MAXIMUM
WAVE HEIGHT AROUND 8 FEET THIS AFTERNOON. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET OVERNIGHT WITH MAXIMUM WAVE HEIGHT
AROUND 7 FEET TONIGHT. WAVES 1 TO 3 FEET TUESDAY MORNING. 220406.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.



SF

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)