Great Lakes Forecast
Issued by NWS

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000
FZUS63 KDTX 210253
GLFLH

OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
953 PM EST MON FEB 20 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 WILL MOVE THROUGH NORTHERN
ONTARIO TONIGHT. THIS SYSTEM WILL DROP PRESSURE TO 29.90 INCHES
OVER THE GREAT LAKES BY TUESDAY AFTERNOON...WITH AN ASSOCIATED
FRONT...AND WILL CONTINUE TO GRADUALLY DECREASE AS ANOTHER
SURFACE LOW...29.40...TRAVELS FROM THE CENTRAL PLAINS INTO THE
NORTHERN GREAT LAKES WEDNESDAY INTO THURSDAY.

LHZ361-210915-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
953 PM EST MON FEB 20 2017

.REST OF TONIGHT...SOUTHEAST WINDS 20 TO 25 KNOTS DECREASING TO
15 TO 20 KNOTS EARLY IN THE MORNING. A CHANCE OF SHOWERS AFTER
MIDNIGHT. SHOWERS EARLY IN THE MORNING. WAVES 5 TO 7 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS EARLY IN THE MORNING
BECOMING LIGHT AND VARIABLE, THEN BECOMING WEST 5 TO 10 KNOTS
LATE IN THE AFTERNOON. SHOWERS IN THE MORNING, THEN A CHANCE OF
SHOWERS EARLY IN THE AFTERNOON. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY AROUND 8 FEET.
.TUESDAY NIGHT...WEST WINDS 5 TO 10 KNOTS BACKING TO THE SOUTH IN
THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS UNTIL LATE AFTERNOON
BECOMING LIGHT AND VARIABLE. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS VEERING TO THE
SOUTH AFTER MIDNIGHT. A CHANCE OF RAIN UNTIL EARLY MORNING. WAVES
2 FEET OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST 5 TO
10 KNOTS LATE IN THE AFTERNOON, THEN BECOMING NORTHEAST 10 TO
15 KNOTS LATE IN THE EVENING. A CHANCE OF SNOW LATE IN THE
EVENING. WAVES 1 TO 3 FEET.
.FRIDAY...EAST WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS. A CHANCE
OF SNOW EARLY IN THE MORNING, THEN SNOW. RAIN LIKELY UNTIL EARLY
MORNING. WAVES 3 TO 5 FEET BUILDING TO 6 TO 9 FEET. WAVES
OCCASIONALLY AROUND 12 FEET.
.SATURDAY...NORTH WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS WITH GUSTS UP TO 30 KNOTS. RAIN AND SNOW LIKELY UNTIL
AFTERNOON, THEN A CHANCE OF SNOW UNTIL EARLY MORNING. WAVES 5 TO 7
FEET. WAVES OCCASIONALLY AROUND 10 FEET.


$$

LHZ362-363-210915-
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-
953 PM EST MON FEB 20 2017

.REST OF TONIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS INCREASING TO
20 TO 25 KNOTS AFTER MIDNIGHT. WAVES 5 TO 7 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
.TUESDAY...SOUTH WINDS 20 TO 25 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS. SHOWERS LIKELY IN THE MORNING, THEN A CHANCE OF SHOWERS
IN THE AFTERNOON. WAVES 5 TO 7 FEET SUBSIDING TO 2 TO 4 FEET LATE
IN THE AFTERNOON. WAVES OCCASIONALLY AROUND 10 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 TO
3 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS EARLY IN THE AFTERNOON. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO
4 FEET IN THE LATE EVENING AND OVERNIGHT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KNOTS VEERING TO THE NORTH
LATE IN THE EVENING. A CHANCE OF RAIN LATE IN THE AFTERNOON. A
CHANCE OF SNOW LATE IN THE EVENING. WAVES 2 TO 4 FEET.
.FRIDAY...NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST 20 TO
25 KNOTS WITH GUSTS UP TO 30 KNOTS IN THE LATE MORNING AND EARLY
AFTERNOON, THEN DECREASING TO 15 TO 20 KNOTS WITH GUSTS UP TO
30 KNOTS UNTIL EARLY MORNING. RAIN AND SNOW WITH THUNDERSTORMS
LIKELY. WAVES 3 TO 5 FEET BUILDING TO 8 TO 12 FEET. WAVES
OCCASIONALLY AROUND 15 FEET.
.SATURDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 20 TO
25 KNOTS WITH GUSTS UP TO 40 KNOT GALES IN THE LATE MORNING AND
EARLY AFTERNOON, THEN BECOMING WEST. RAIN AND SNOW EARLY IN THE
MORNING, THEN A CHANCE OF RAIN AND SNOW IN THE LATE MORNING AND
EARLY AFTERNOON. A CHANCE OF SNOW IN THE LATE EVENING AND EARLY
MORNING. WAVES 8 TO 12 FEET. WAVES OCCASIONALLY AROUND 15 FEET.


$$

LHZ462>464-210915-
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-
953 PM EST MON FEB 20 2017

.REST OF TONIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY AROUND 8 FEET.
.TUESDAY...SOUTHEAST WINDS 20 TO 25 KNOTS BECOMING SOUTH 5 TO
10 KNOTS. A CHANCE OF SHOWERS EARLY IN THE MORNING, THEN SHOWERS
LIKELY IN THE LATE MORNING AND EARLY AFTERNOON. A CHANCE OF
SHOWERS LATE IN THE AFTERNOON. WAVES 3 TO 5 FEET SUBSIDING TO
1 TO 3 FEET LATE IN THE AFTERNOON.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS EARLY IN THE EVENING
BECOMING LIGHT AND VARIABLE, THEN BECOMING SOUTH 5 TO 10 KNOTS
AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET IN THE LATE EVENING AND OVERNIGHT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO
10 KNOTS LATE IN THE AFTERNOON. A CHANCE OF RAIN LATE IN THE
AFTERNOON. WAVES 2 TO 4 FEET.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 15 TO
20 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
SOUTHEAST 20 TO 25 KNOTS EARLY IN THE EVENING DECREASING TO 15 TO
20 KNOTS IN THE LATE EVENING AND EARLY MORNING. A CHANCE OF SNOW
EARLY IN THE MORNING. RAIN WITH THUNDERSTORMS LIKELY. WAVES 2 TO
4 FEET BUILDING TO 5 TO 7 FEET. WAVES OCCASIONALLY AROUND
10 FEET.
.SATURDAY...SOUTH WINDS 15 TO 20 KNOTS VEERING TO THE WEST WITH
GUSTS UP TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN INCREASING TO 20 TO 25 KNOTS WITH GUSTS UP TO 30 KNOTS UNTIL
EARLY MORNING. RAIN EARLY IN THE MORNING. A CHANCE OF SNOW. A
CHANCE OF RAIN IN THE LATE MORNING AND AFTERNOON. WAVES 6 TO 9
FEET. WAVES OCCASIONALLY AROUND 12 FEET.


$$

LHZ461-210915-
MAFOR 2104/
HURON NORTH 12320 11436 11426 11516 13600. A CHANCE OF
SHOWERS OVERNIGHT. A CHANCE OF SHOWERS TUESDAY AFTERNOON. WAVES 5
TO 7 FEET. OCCASIONAL WAVE HEIGHT AROUND 10 FEET OVERNIGHT. WAVES
5 TO 7 FEET SUBSIDING TO 2 TO 4 FEET. OCCASIONAL WAVE HEIGHT
AROUND 10 FEET TUESDAY. WAVES 1 TO 3 FEET TUESDAY EVENING. 220507.


HURON SOUTH 11330 12430 11436 11426 11400 12500. WAVES 4 TO
6 FEET OVERNIGHT. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 3 FEET.
OCCASIONAL WAVE HEIGHT AROUND 8 FEET TUESDAY. WAVES 2 FEET OR
LESS TUESDAY EVENING. 220406.

$$

BT

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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