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
000
FZUS63 KDTX 180150
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
949 PM EDT Tue Apr 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...Pressure averaging 29.80 Tuesday afternoon inches will
gradually increase to 29.90 inches by Wednesday morning as a weak
high pressure settles in across the Great Lakes. A second low
pressure system averaging 29.60 inches will then center across
southern Michigan into the Ohio valley by late Wednesday, bringing
another round of rain, snow, and gusty conditions. Pressure is
expected to be on the rise Thursday and into the weekend as a broad
surface high pressure system expand across the Midwest.

LHZ361-180800-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
949 PM EDT Tue Apr 17 2018

.REST OF TONIGHT...Northwest winds 10 to 15 knots. Waves 3 to
5 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.WEDNESDAY NIGHT...North winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Waves 1 to 3 feet building to 3 to
5 feet in the late evening and overnight.
.THURSDAY...Northwest winds 15 to 20 knots. Gusts to 30 knots
early in the morning. Waves 4 to 6 feet. Waves occasionally
around 8 feet.
.THURSDAY NIGHT...Northwest winds 15 to 20 knots becoming north
10 to 15 knots in the late evening and overnight. Waves 2 to
4 feet.
.FRIDAY...North winds 10 to 15 knots becoming northwest 5 to
10 knots. Waves 1 to 3 feet.
.SATURDAY...Light and variable winds. Waves 2 feet or less.
.SUNDAY...Light and variable winds becoming southeast 5 to
10 knots in the late evening and early morning. Waves 2 feet or
less.


$$

LHZ362-363-180800-
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-
949 PM EDT Tue Apr 17 2018

.REST OF TONIGHT...Northwest winds 15 to 20 knots. Waves 6 to
9 feet. Waves occasionally around 12 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots. Waves 3 to 5 feet
subsiding to 2 to 4 feet late in the afternoon.
.WEDNESDAY NIGHT...North winds 5 to 10 knots increasing to 15 to
20 knots with gusts to 30 knots in the late evening and
overnight. A chance of rain until early morning. A chance of snow
in the late evening and overnight. Waves 1 to 3 feet building to
4 to 6 feet in the late evening and overnight. Waves occasionally
around 8 feet.
.THURSDAY...North winds 20 to 25 knots with gusts to 30 knots. A
chance of snow until late afternoon. Waves 8 to 12 feet. Waves
occasionally around 15 feet.
.THURSDAY NIGHT...North winds 15 to 20 knots. Gusts to 30 knots
early in the evening. Waves 6 to 9 feet. Waves occasionally
around 12 feet.
.FRIDAY...North winds 15 to 20 knots becoming northwest 5 to
10 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the
evening.
.SATURDAY...North winds 5 to 10 knots early in the morning
becoming light and variable...then becoming west 5 to 10 knots in
the late evening and early morning. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots early in the morning becoming
light and variable...then becoming south 5 to 10 knots in the
late evening and early morning. Waves 2 feet or less.


$$

LHZ462>464-180800-
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-
949 PM EDT Tue Apr 17 2018

.REST OF TONIGHT...West winds 10 to 15 knots increasing to 15 to
20 knots after midnight...then decreasing to 10 to 15 knots early
in the morning. Waves 4 to 6 feet. Waves occasionally around
8 feet.
.WEDNESDAY...West winds 10 to 15 knots becoming northwest 5 to
10 knots in the late morning and afternoon. A chance of rain and
snow late in the afternoon. Waves 3 to 5 feet subsiding to 2 to
4 feet late in the afternoon.
.WEDNESDAY NIGHT...North winds 5 to 10 knots increasing to 15 to
20 knots. Snow likely and a chance of rain until early morning. A
chance of freezing rain late in the evening. A chance of snow
early in the morning. Waves 1 to 3 feet building to 5 to 7 feet
after midnight. Waves occasionally around 10 feet.
.THURSDAY...North winds 20 to 25 knots with gusts to 30 knots. A
chance of snow until late afternoon. Waves 8 to 12 feet. Waves
occasionally around 15 feet.
.THURSDAY NIGHT...Northwest winds 15 to 20 knots. Gusts to
30 knots early in the evening. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.FRIDAY...North winds 15 to 20 knots decreasing to 5 to 10 knots.
Waves 4 to 6 feet subsiding to 1 to 3 feet late in the evening.
Waves occasionally around 8 feet.
.SATURDAY...Northwest winds 5 to 10 knots becoming light and
variable. Waves 2 feet or less.
.SUNDAY...Light and variable winds. Waves 2 feet or less.


$$

LHZ461-180800-
MAFOR 1803/
HURON NORTH 11720 14710 12700 11810. Waves 3 to 5 feet
overnight. Waves 2 to 4 feet subsiding to 2 feet or less
Wednesday. Waves 2 feet or less Wednesday evening. 210406 210305.

HURON SOUTH 11720 13710 11700 13800. A chance of rain and snow
Wednesday evening. Waves 3 to 5 feet overnight. Waves 3 to 5 feet
subsiding to 1 to 3 feet Wednesday. Waves 1 to 3 feet Wednesday
evening. 210406 210305.

$$

DG

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.