Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 190357 AAA
NSHDTX

Nearshore Marine Forecast for Michigan...UPDATED
National Weather Service Detroit/Pontiac MI
1157 PM EDT Fri May 18 2018

For waters within five nautical miles of shore

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.

LHZ422-190915-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1157 PM EDT Fri May 18 2018

.REST OF TONIGHT...East winds 10 to 15 knots. Partly cloudy this
evening becoming mostly cloudy. Light showers likely after
midnight. Waves 1 to 3 feet.
.SATURDAY...East winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and early afternoon...then backing
to the northeast late in the afternoon. Showers in the morning...
then light showers and a chance of thunderstorms in the
afternoon. Waves around 2 feet or less.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots. Light showers
and a chance of thunderstorms early in the evening...then a
slight chance of showers and thunderstorms in the late evening
and early morning. Waves around 2 feet or less.
.SUNDAY...North winds 5 to 10 knots becoming northeast 10 to
15 knots in the late morning and early afternoon...then
diminishing to 5 to 10 knots late in the afternoon. Mostly cloudy
early in the morning becoming partly cloudy. Waves around 2 feet
or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ421-190915-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1157 PM EDT Fri May 18 2018

.REST OF TONIGHT...East winds 10 to 15 knots. Partly cloudy...
then mostly cloudy with light showers likely after midnight.
Waves 1 to 3 feet.
.SATURDAY...East winds 10 to 15 knots becoming northeast 5 to
10 knots in the afternoon. Light showers in the morning...then
showers and a slight chance of thunderstorms in the afternoon.
Waves 1 to 3 feet.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots. Light showers
and a slight chance of thunderstorms early in the evening...then
a slight chance of showers and thunderstorms in the late evening
and early morning. Waves around 2 feet or less.
.SUNDAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots late in the afternoon. Mostly cloudy early in the
morning becoming partly cloudy. Waves 1 to 3 feet.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ441-190915-
Port Austin to Harbor Beach MI-
1157 PM EDT Fri May 18 2018

.REST OF TONIGHT...East winds 10 to 15 knots. Partly cloudy...
then mostly cloudy with light showers likely after midnight.
Waves 1 to 3 feet.
.SATURDAY...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots late in the afternoon. Light showers in the morning...
then light showers and a slight chance of thunderstorms in the
afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots increasing to
10 to 15 knots after midnight. Light showers and a slight chance
of thunderstorms early in the evening...then a chance of light
showers and a slight chance of thunderstorms in the late evening
and early morning. Waves around 2 feet or less.
.SUNDAY...North winds 10 to 15 knots diminishing to 5 to 10 knots
late in the afternoon. Mostly cloudy early in the morning
becoming partly cloudy. Waves 1 to 3 feet.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ442-190915-
Harbor Beach to Port Sanilac MI-
1157 PM EDT Fri May 18 2018

.REST OF TONIGHT...East winds 5 to 10 knots increasing to 10 to
15 knots after midnight. Partly cloudy this evening becoming
mostly cloudy. Light showers likely after midnight. Waves 1 to
3 feet.
.SATURDAY...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots late in the afternoon. Light showers in the morning...
then light showers and a chance of thunderstorms in the
afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...West winds 5 to 10 knots veering to the
northwest in the late evening and early morning...then increasing
to 10 to 15 knots early in the morning. Light showers and a
chance of thunderstorms early in the evening...then a chance of
showers and thunderstorms in the late evening and early morning.
Waves around 2 feet or less.
.SUNDAY...North winds 10 to 15 knots. Mostly cloudy in the
morning becoming partly cloudy. Waves 1 to 3 feet.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ443-190915-
Port Sanilac to Port Huron MI-
1157 PM EDT Fri May 18 2018

.REST OF TONIGHT...East winds 10 to 15 knots. Showers after
midnight. Waves 1 to 3 feet.
.SATURDAY...Southeast winds 10 to 15 knots becoming south 5 to
10 knots late in the afternoon. Showers in the morning...then
light showers and a chance of thunderstorms in the afternoon.
Waves 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots veering to the
northwest in the late evening and early morning...then becoming
north 10 to 15 knots early in the morning. Light showers early in
the evening. A chance of thunderstorms until early morning. A
chance of light showers in the late evening and early morning.
Waves around 2 feet or less.
.SUNDAY...North winds 10 to 15 knots. Mostly cloudy in the
morning becoming partly cloudy. Waves 1 to 3 feet.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LEZ444-190915-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1157 PM EDT Fri May 18 2018

.REST OF TONIGHT...East winds 15 to 20 knots diminishing to 10 to
15 knots early in the morning. Light showers. Waves subsiding to 2
to 4 feet.
.SATURDAY...Southeast winds 10 to 15 knots becoming south 5 to
10 knots in the afternoon. Light showers in the morning...then
light showers with thunderstorms likely in the afternoon. Waves
2 to 4 feet subsiding to 1 to 3 feet in the late morning and
afternoon.
.SATURDAY NIGHT...West winds 5 to 10 knots. Becoming partly
cloudy early in the morning. Showers with thunderstorms likely
early in the evening...then a chance of showers and thunderstorms
in the late evening and early morning. Waves around 2 feet or
less.
.SUNDAY...North winds 5 to 10 knots veering to the east in the
afternoon. Mostly cloudy. Waves around 2 feet or less.

See Lake Erie Open Lake Forecast for days 3 through 5.

The water temperature at Belle Isle is 55.2 degrees.

$$

BT

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a www.weather.gov/greatlakes



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