815
FZUS63 KDTX 130804
GLFLH
OPEN LAKE FORECAST FOR LAKE HURON
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
404 AM EDT SUN SEP 13 2026
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
LOW PRESSURE OF 29.3 INCHES WILL CONTINUE TO PUSH
EASTWARD OVER NORTHERN ONTARIO AS IT DRAGS A COLD FRONT ACROSS
THE CENTRAL GREAT LAKES THIS MORNING. WEST TO NORTHWEST FLOW
INCREASES FAIRLY QUICKLY THIS AFTERNOON BEHIND THE FRONT, WITH
SUSTAINED WINDS AROUND 25 TO 30 KNOTS. HIGH PRESSURE QUICKLY
BUILDS INTO THE REGION MONDAY, ALLOWING NORTHWEST WINDS TO RELAX
IN/AROUND DAYBREAK. ATTENTION THEN TURNS TO THE POTENTIAL FOR
GALES ON LAKE HURON FROM THE SOUTH AND SOUTHWEST LATE MONDAY
NIGHT THROUGH TUESDAY AS LOW PRESSURE OF 29.2 INCHES TRACKS
ACROSS THE CANADIAN PRAIRIES AND EVENTUALLY UP INTO THE HUDSON
BAY REGION THROUGH MID WEEK.
LHZ361-131615-
LAKE HURON FROM 5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LT
BEYOND 5 NM OFF SHORE-
404 AM EDT SUN SEP 13 2026
TODAY
WEST WINDS 10 TO 15 KNOTS INCREASING TO 20 TO 25 KNOTS
WITH GUSTS TO AROUND 30 KNOTS. A CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 4 TO 6 FEET. WAVES
OCCASIONALLY AROUND 8 FEET.
TONIGHT
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS DECREASING TO 10 TO 15 KNOTS. WAVES 4 TO 6 FEET
SUBSIDING TO 2 TO 4 FEET EARLY IN THE MORNING. WAVES OCCASIONALLY
AROUND 8 FEET.
MONDAY
NORTHWEST WINDS 10 TO 15 KNOTS EARLY IN THE MORNING
BECOMING LIGHT AND VARIABLE. WAVES 2 FEET OR LESS.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH
20 TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. GUSTS TO
35 KNOT GALES. SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING
TO 5 TO 7 FEET IN THE LATE EVENING AND OVERNIGHT. WAVES
OCCASIONALLY AROUND 10 FEET.
TUESDAY
SOUTH WINDS 20 TO 25 KNOTS WITH GUSTS TO 40 KNOT GALES
BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO 35 KNOT GALES
LATE IN THE MORNING...THEN DECREASING TO 10 TO 15 KNOTS WITH
GUSTS TO AROUND 30 KNOTS LATE IN THE AFTERNOON VEERING TO THE
NORTHWEST LATE IN THE EVENING. SHOWERS IN THE MORNING...THEN A
CHANCE OF SHOWERS LATE IN THE MORNING. WAVES 6 TO 9 FEET
SUBSIDING TO 2 TO 4 FEET. WAVES OCCASIONALLY AROUND 12 FEET.
WEDNESDAY
NORTHWEST WINDS 5 TO 10 KNOTS EARLY IN THE MORNING
BECOMING LIGHT AND VARIABLE. WAVES 2 FEET OR LESS.
THURSDAY
NORTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS.
WAVES 2 FEET OR LESS.
LHZ362-363-131615-
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-
404 AM EDT SUN SEP 13 2026
TODAY
NORTH WINDS 10 TO 15 KNOTS BACKING TO THE WEST LATE IN
THE MORNING...THEN DECREASING TO 5 TO 10 KNOTS EARLY IN THE
AFTERNOON BECOMING NORTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS LATE IN THE AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO
4 TO 6 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY AROUND
8 FEET.
TONIGHT
NORTHWEST WINDS 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS DECREASING TO 15 TO 20 KNOTS EARLY IN THE MORNING. WAVES
5 TO 7 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
MONDAY
NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH 5 TO
10 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING
LIGHT AND VARIABLE EARLY IN THE AFTERNOON. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET IN THE LATE MORNING AND AFTERNOON.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH TO
30 KNOTS WITH GUSTS TO 40 KNOT GALES. A CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 2 FEET OR LESS BUILDING TO 6 TO 9 FEET. WAVES
OCCASIONALLY AROUND 12 FEET.
TUESDAY
SOUTH WINDS TO 30 KNOTS WITH GUSTS TO 40 KNOT GALES
DECREASING TO 20 TO 25 KNOTS WITH GUSTS TO 40 KNOT GALES LATE IN
THE MORNING...THEN BECOMING SOUTHWEST 10 TO 15 KNOTS LATE IN THE
AFTERNOON VEERING TO THE NORTHWEST LATE IN THE EVENING. SHOWERS
LIKELY. WAVES 8 TO 12 FEET SUBSIDING TO 3 TO 5 FEET LATE IN THE
EVENING. WAVES OCCASIONALLY AROUND 15 FEET.
WEDNESDAY
NORTH WINDS 5 TO 10 KNOTS EARLY IN THE MORNING
BECOMING LIGHT AND VARIABLE...THEN BECOMING NORTHEAST 5 TO
10 KNOTS BY MIDNIGHT. WAVES 2 FEET OR LESS.
THURSDAY
NORTHEAST WINDS 5 TO 10 KNOTS BACKING TO THE NORTH BY
MIDNIGHT. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
LHZ462>464-131615-
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-
404 AM EDT SUN SEP 13 2026
TODAY
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST 5 TO
10 KNOTS EARLY IN THE AFTERNOON...THEN BECOMING WEST 10 TO
15 KNOTS LATE IN THE AFTERNOON. A CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WINDS 20 TO 25 KNOTS DECREASING TO 15 TO
20 KNOTS EARLY IN THE MORNING. WAVES 5 TO 7 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
MONDAY
NORTHWEST WINDS 10 TO 15 KNOTS BECOMING LIGHT AND
VARIABLE. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE
AFTERNOON.
MONDAY NIGHT
EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS BY MIDNIGHT...THEN BECOMING SOUTH 20 TO 25 KNOTS WITH
GUSTS TO 35 KNOT GALES AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING
TO 4 TO 6 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY AROUND 8 FEET.
TUESDAY
SOUTH WINDS 20 TO 25 KNOTS WITH GUSTS TO 35 KNOT GALES
BECOMING SOUTHWEST 10 TO 15 KNOTS LATE IN THE AFTERNOON...THEN
VEERING TO THE WEST LATE IN THE EVENING. SHOWERS LIKELY. A CHANCE
OF SHOWERS LATE IN THE AFTERNOON. WAVES 5 TO 7 FEET SUBSIDING TO
1 TO 3 FEET LATE IN THE EVENING. WAVES OCCASIONALLY AROUND
10 FEET.
WEDNESDAY
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO
10 KNOTS. A CHANCE OF. WAVES 2 FEET OR LESS.
THURSDAY
EAST WINDS 5 TO 10 KNOTS BECOMING NORTH 10 TO
15 KNOTS . A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
LHZ461-131615-
MAFOR 1309/
HURON NORTH 11710 11610 11620 14730 11720. WAVES 1 TO 3 FEET
BUILDING TO 3 TO 5 FEET TODAY. WAVES 5 TO 7 FEET SUBSIDING TO 3
TO 5 FEET. OCCASIONAL WAVE HEIGHT AROUND 10 FEET TONIGHT.
HURON SOUTH 12810 11700 11620 11630 12730 11820. A CHANCE OF
SHOWERS THIS AFTERNOON. WAVES 2 FEET OR LESS TODAY. WAVES 4 TO 6
FEET TONIGHT.
JA
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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