Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 211401
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1000 AM EDT SUN MAY 21 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...A LOW PRESSURE SYSTEM...AVERAGING 29.70 INCHES...OVER
THE MIDWEST WILL LIFT INTO THE NORTHERN GREAT LAKES TODAY. THIS LOW
WILL LIFT SLOWLY NORTHEASTWARD EARLY IN THE WEEK WITH A SECOND LOW
THEN DEVELOPING OVER LAKE MICHIGAN ON TUESDAY.

LHZ361-212000-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
1000 AM EDT SUN MAY 21 2017

.REST OF TODAY...EAST WINDS 20 TO 25 KNOTS DECREASING TO 10 TO
15 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 5 TO
7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE SOUTHWEST
IN THE LATE EVENING AND OVERNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET AFTER MIDNIGHT.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 1 TO 3 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS BACKING TO THE
SOUTH IN THE LATE EVENING AND EARLY MORNING...THEN BECOMING LIGHT
AND VARIABLE AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...LIGHT AND VARIABLE WINDS BECOMING NORTHEAST 5 TO
10 KNOTS LATE IN THE AFTERNOON. A CHANCE OF SHOWERS. WAVES 2 FEET
OR LESS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS
EARLY IN THE MORNING. A CHANCE OF SHOWERS UNTIL EARLY MORNING.
WAVES 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.


$$

LHZ362-363-212000-
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-
1000 AM EDT SUN MAY 21 2017

.REST OF TODAY...SOUTHEAST WINDS 15 TO 20 KNOTS DECREASING TO
10 TO 15 KNOTS LATE IN THE AFTERNOON. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 4 TO 6 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS VEERING TO THE SOUTH
LATE IN THE EVENING...THEN BECOMING SOUTHWEST 5 TO 10 KNOTS AFTER
MIDNIGHT INCREASING TO 10 TO 15 KNOTS EARLY IN THE MORNING. A
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. WAVES
3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY AROUND 8 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN
DECREASING TO 10 TO 15 KNOTS EARLY IN THE AFTERNOON. WAVES 2 TO
4 FEET.
.MONDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS BACKING TO THE EAST IN
THE LATE EVENING AND EARLY MORNING...THEN VEERING TO THE SOUTH
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS BACKING TO THE NORTHEAST
LATE IN THE AFTERNOON. A CHANCE OF SHOWERS. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTH 10 TO
15 KNOTS UNTIL EARLY MORNING. A CHANCE OF SHOWERS. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET.
.THURSDAY...NORTH WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.


$$

LHZ462>464-212000-
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-
1000 AM EDT SUN MAY 21 2017

.REST OF TODAY...SOUTHEAST WINDS 15 TO 20 KNOTS DECREASING TO
10 TO 15 KNOTS LATE IN THE AFTERNOON. A CHANCE OF SHOWERS LATE IN
THE MORNING. A CHANCE OF THUNDERSTORMS. RAIN SHOWERS LIKELY IN
THE AFTERNOON. WAVES 3 TO 5 FEET.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS VEERING TO THE WEST AFTER
MIDNIGHT. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS EARLY IN
THE EVENING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE
LATE EVENING AND OVERNIGHT.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING LIGHT AND
VARIABLE...THEN BECOMING EAST 5 TO 10 KNOTS LATE IN THE EVENING.
A CHANCE OF SHOWERS. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTH 10 TO
15 KNOTS UNTIL EARLY MORNING. A CHANCE OF SHOWERS. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE EVENING AND EARLY
MORNING.
.THURSDAY...NORTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS. A CHANCE OF SHOWERS UNTIL AFTERNOON. WAVES 2 TO 4 FEET.


$$

LHZ461-212000-
MAFOR 2115/
HURON NORTH 11320 12310 11500 11600 12500 11510. A CHANCE OF
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF SHOWERS
OVERNIGHT. WAVES 3 TO 5 FEET THIS AFTERNOON. WAVES 2 TO 4 FEET
TONIGHT AND MONDAY MORNING. 210406 210305.

HURON SOUTH 11320 11426 11416 14510 11510. A CHANCE OF SHOWERS AND
THUNDERSTORMS TODAY. A CHANCE OF THUNDERSTORMS THIS EVENING. WAVES 3
TO 5 FEET THIS AFTERNOON. WAVES 2 TO 4 FEET TONIGHT AND MONDAY
MORNING. 220305.

$$

HLO

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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