Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS63 KDTX 172055
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
355 PM EST Wed Jan 17 2018

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 ridge of high pressure averaging 30.40 inches will
remain in place across the Great Lakes through the evening,
diminishing slightly down to 30.10 inches by Thursday afternoon.
Pressure is expected to hold steady around 30.00 inches for both
Friday and Saturday before a low pressure system averaging 29.30
inches pushes in across the Great Lakes starting Sunday. Otherwise,
gusty southwesterly winds ranging between 25 - 35 knots will be
likely across the lakes and bays Wednesday into Thursday.

LHZ361-180915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
355 PM EST Wed Jan 17 2018

.TONIGHT...West winds 20 to 25 knots with gusts to 30 knots
decreasing to 15 to 20 knots early in the morning. Waves 6 to
9 feet. Waves occasionally around 12 feet.
.THURSDAY...West winds 15 to 20 knots decreasing to 5 to
10 knots. A chance of snow showers in the afternoon. A chance of
showers late in the afternoon. Waves 4 to 6 feet subsiding to
1 to 3 feet late in the afternoon. Waves occasionally around
8 feet.
.THURSDAY NIGHT...West winds 5 to 10 knots. A chance of rain and
snow showers early in the evening. Waves 2 feet or less.
.FRIDAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and early afternoon...then
decreasing to 5 to 10 knots early in the afternoon. Waves 1 to
3 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots becoming southwest
15 to 20 knots in the late evening and overnight. Waves 2 to
4 feet.
.SATURDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots
late in the afternoon. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.SUNDAY...Light and variable winds becoming east 5 to 10 knots in
the late morning and early afternoon...then increasing to 10 to
15 knots early in the evening increasing to 15 to 20 knots in the
late evening and early morning. A chance of showers in the
afternoon. A chance of snow showers in the afternoon and
evening...then snow showers likely after midnight. Waves 2 feet
or less building to 3 to 5 feet in the late evening and early
morning.
.MONDAY...East winds 20 to 25 knots decreasing to 15 to 20 knots.
Snow showers. Showers. Waves 5 to 7 feet. Waves occasionally
around 10 feet.


$$

LHZ362-180915-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
355 PM EST Wed Jan 17 2018

...GALE WARNING IN EFFECT UNTIL 10 PM EST THIS EVENING...

.TONIGHT...Southwest winds 20 to 25 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots with gusts to 30 knots in the
late evening and overnight. Waves 6 to 9 feet. Waves occasionally
around 12 feet.
.THURSDAY...Southwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and afternoon. Waves 4 to 6 feet
subsiding to 2 to 4 feet late in the afternoon. Waves
occasionally around 8 feet.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to
4 feet.
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 30 knots in the late morning and
afternoon. Waves 3 to 5 feet building to 5 to 7 feet early in the
afternoon. Waves occasionally around 10 feet.
.FRIDAY NIGHT...South winds 20 to 25 knots becoming southwest
15 to 20 knots in the late evening and overnight. Gusts to
30 knots. Waves 6 to 9 feet. Waves occasionally around 12 feet.
.SATURDAY...Southwest winds 10 to 15 knots becoming west 5 to
10 knots late in the afternoon. Waves 3 to 5 feet subsiding to
1 to 3 feet late in the afternoon.
.SUNDAY...Light and variable winds becoming northeast 5 to
10 knots in the late morning and early afternoon...then becoming
east 10 to 15 knots early in the evening increasing to 15 to
20 knots in the late evening and early morning. A chance of snow
showers and showers in the evening. Snow showers likely and
showers after midnight. Waves 1 to 3 feet building to 4 to 6 feet
in the late evening and early morning. Waves occasionally around
8 feet.
.MONDAY...East winds 20 to 25 knots with gusts to 30 knots
becoming southeast 15 to 20 knots with gusts to 30 knots in the
late evening and early morning. Snow showers until afternoon.
Showers. Snow showers likely in the late evening and early
morning. Waves 6 to 9 feet. Waves occasionally around 12 feet.


$$

LHZ363-462-180915-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
355 PM EST Wed Jan 17 2018

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...Southwest winds to 30 knots with gusts to 40 knot
gales decreasing to 15 to 20 knots with gusts to 30 knots. Waves
8 to 12 feet. Waves occasionally around 15 feet.
.THURSDAY...Southwest winds 15 to 20 knots. Waves 5 to 7 feet.
Waves occasionally around 10 feet.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots decreasing to
10 to 15 knots in the late evening and overnight. Waves 3 to
5 feet.
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 30 knots in the late morning and
afternoon. Waves 3 to 5 feet building to 5 to 7 feet early in the
afternoon. Waves occasionally around 10 feet.
.FRIDAY NIGHT...Southwest winds 20 to 25 knots with gusts to
30 knots. Waves 6 to 9 feet. Waves occasionally around 12 feet.
.SATURDAY...Southwest winds 15 to 20 knots decreasing to 5 to
10 knots. Waves 4 to 6 feet. Waves occasionally around 8 feet.
.SUNDAY...Light and variable winds becoming east 5 to 10 knots
early in the evening...then increasing to 10 to 15 knots in the
late evening and early morning. A chance of rain and snow showers
in the afternoon and evening. Snow showers and showers likely
after midnight. Waves 2 to 4 feet.
.MONDAY...East winds 10 to 15 knots becoming southeast 15 to
20 knots with gusts to 30 knots. Snow showers early in the
morning. Showers. A chance of snow showers after midnight. Waves
6 to 9 feet. Waves occasionally around 12 feet.

Wave heights are for ice free areas.

$$

LHZ463-464-180915-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
355 PM EST Wed Jan 17 2018

.TONIGHT...Southwest winds 20 to 25 knots with gusts to 30 knots
decreasing to 15 to 20 knots after midnight. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.THURSDAY...Southwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Waves 1 to
3 feet.
.FRIDAY...Southwest winds 10 to 15 knots becoming south 15 to
20 knots early in the afternoon. Waves 1 to 3 feet building to
3 to 5 feet in the late morning and afternoon.
.FRIDAY NIGHT...South winds 15 to 20 knots with gusts to 30 knots
becoming southwest 20 to 25 knots with gusts to 30 knots in the
late evening and early morning...then decreasing to 15 to
20 knots after midnight. Waves 3 to 5 feet.
.SATURDAY...Southwest winds 15 to 20 knots decreasing to 5 to
10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SUNDAY...Southwest winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southeast 5 to
10 knots until early morning. A chance of showers in the
afternoon and evening. A chance of snow showers in the evening...
then rain and snow showers likely after midnight. Waves 1 to
3 feet.
.MONDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots. Snow showers likely early in the morning. Showers
likely. A chance of snow showers after midnight. Waves 4 to
6 feet. Waves occasionally around 8 feet.

Wave heights are for ice free areas.

$$

LHZ461-180915-
MAFOR 1722/
HURON NORTH...Gale Warning in effect...12630 13620 13610. Waves
4 to 6 feet subsiding to 3 to 5 feet. Occasional wave height
around 8 feet tonight. Waves 3 to 5 feet subsiding to 1 to 3 feet
Thursday. 220406.

HURON SOUTH...Gale Warning in effect...13540 19550 12630 12620
11520. Waves 6 to 9 feet subsiding to 4 to 6 feet. Occasional
wave height around 12 feet tonight. Waves 3 to 5 feet Thursday.
220609.

$$

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)


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.