Great Lakes Forecast
Issued by NWS

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966
FZUS63 KDTX 210750
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
348 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-
348 AM EDT SUN MAY 21 2017

.TODAY...EAST WINDS 20 TO 25 KNOTS DECREASING TO 10 TO 15 KNOTS.
SHOWERS LIKELY EARLY IN THE MORNING. A CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS IN THE LATE MORNING AND AFTERNOON. 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-
348 AM EDT SUN MAY 21 2017

.TODAY...SOUTHEAST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. SHOWERS IN THE MORNING. A CHANCE
OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 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.
.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-
348 AM EDT SUN MAY 21 2017

.TODAY...SOUTHEAST WINDS 15 TO 20 KNOTS DECREASING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. THUNDERSTORMS LIKELY IN THE
MORNING. RAIN SHOWERS. A CHANCE OF THUNDERSTORMS 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.


$$

LHZ461-211400-
MAFOR 2109/
HURON NORTH 12236 11320 12310 11500 11600 11500. A CHANCE OF
THUNDERSTORMS THIS MORNING...THEN 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 TODAY. WAVES 2 TO 4 FEET TONIGHT.
220406.

HURON SOUTH 11326 11329 11320 11426 11416 13510. A CHANCE OF
THUNDERSTORMS EARLY THIS MORNING. A CHANCE OF THUNDERSTORMS THIS
AFTERNOON. A CHANCE OF THUNDERSTORMS THIS EVENING. WAVES 2 TO 4
FEET BUILDING TO 3 TO 5 FEET TODAY. WAVES 2 TO 4 FEET TONIGHT.
210204 210305.

$$

MR

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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