Great Lakes Forecast
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442
FZUS61 KCLE 202002
GLFLE

Open Lake Forecast for Lake Erie
National Weather Service Cleveland OH
402 PM EDT Mon Jul 20 2026

For waters beyond five nautical miles of shore on Lake Erie

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...
High pressure 30.00 inches builds off to the east coast this
evening as a warm front lifts north across the lake late tonight
through early Tuesday morning. A cold front will pass west to east
over the lake late Tuesday with troughing averaging 29.70 inches
persists through early Wednesday. High pressure 30.10 inches builds
into the region late Wednesday through Friday.

LEZ162-163-210230-
Detroit River Lt. to Maumee Bay OH to Reno Beach OH beyond 5NM
offshoreline to US-Canadian border-
Reno Beach to The Islands OH beyond 5NM off shoreline to US-
Canadian border-
402 PM EDT Mon Jul 20 2026

.TONIGHT...South winds 5 to 15 knots becoming southwest 15 to
20 knots. Patchy smoke through the early overnight. A chance of
showers and thunderstorms after midnight. Showers likely with a
chance of thunderstorms late. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 15 to 25 knots becoming west. A chance
of showers and thunderstorms. Waves 2 to 4 feet.
.TUESDAY NIGHT...West winds 15 to 20 knots becoming northwest.
Patchy smoke in the evening. Waves 2 to 4 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.WEDNESDAY NIGHT...North winds 5 to 10 knots. Waves 2 feet or
less.
.THURSDAY...North winds 10 knots or less becoming south. Waves
1 foot or less.
.FRIDAY...South winds 10 knots or less becoming east. Waves
1 foot or less.
.SATURDAY...Northeast winds 10 knots or less becoming southwest.
Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LEZ164>167-210230-
The Islands to Vermilion OH beyond 5 nm off shoreline to US-
Canadian border-
Vermilion to Avon Point OH beyond 5 nm off shoreline to US-
Canadian border-
Avon Point to Willowick OH beyond 5 nm off shoreline to US-
Canadian border-Willowick to Geneva-on-the-
Lake OH beyond 5NM off shoreline to US-Canadian border-
402 PM EDT Mon Jul 20 2026

.TONIGHT...South winds 5 to 15 knots becoming southwest 15 to
20 knots. Patchy smoke through the early overnight. A slight
chance of showers after midnight. A chance of showers with a
slight chance of thunderstorms late. Waves 1 foot or less
building to 3 to 5 feet.
.TUESDAY...Southwest winds 15 to 25 knots. A chance of showers
with a slight chance of thunderstorms early, then a chance of
showers and thunderstorms late in the morning. Showers likely
with a chance of thunderstorms in the afternoon. Waves 5 to
8 feet. Waves occasionally around 10 feet.
.TUESDAY NIGHT...West winds 15 to 20 knots becoming northwest. A
chance of showers and thunderstorms in the evening, then a chance
of showers overnight. Waves 3 to 6 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots. Waves 3 to 5 feet
subsiding to 2 to 4 feet.
.WEDNESDAY NIGHT...Northwest winds 15 to 20 knots becoming north
10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.THURSDAY...North winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.FRIDAY...Southeast winds 10 knots or less. Waves 1 foot or less.
.SATURDAY...Southeast winds 10 knots or less becoming southwest.
Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LEZ061-168-169-210230-
Ripley to Buffalo NY extending from 5NM off shoreline to US-
Canadian border-Geneva-on-the-
Lake to Conneaut OH beyond 5 nm off shoreline to US-
Canadian border-
Conneaut OH to Ripley NY beyond 5 nm off shoreline to US-
Canadian border-
402 PM EDT Mon Jul 20 2026

.TONIGHT...South winds 10 knots or less increasing to 15 to
20 knots after midnight. Patchy smoke. Waves 2 feet or less
building to 2 to 4 feet.
.TUESDAY...Southwest winds 15 to 25 knots. Patchy smoke early. A
slight chance of showers and thunderstorms early, then showers
with a chance of thunderstorms from late morning on. Waves 3 to
6 feet building to 5 to 8 feet. Waves occasionally around
10 feet.
.TUESDAY NIGHT...West winds 15 to 20 knots becoming northwest.
Showers with a chance of thunderstorms in the evening, then
showers likely overnight. Waves 4 to 7 feet subsiding to 3 to
5 feet. Waves occasionally around 9 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots. Waves 3 to 5 feet.
.WEDNESDAY NIGHT...Northwest winds 15 to 20 knots diminishing to
5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.THURSDAY...Northwest winds 10 knots or less becoming south.
Waves 1 foot or less.
.FRIDAY...Southeast winds 10 knots or less. Waves 1 foot or less.
.SATURDAY...South winds 10 knots or less. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LEZ161-210230-
MAFOR 2021/
ERIE WEST 1/3 11400 12410 11520 11536 12530 11520. A chance of
thunderstorms Tuesday. Waves 1 to 3 feet building to 3 to 5 feet
tonight. Waves 3 to 6 feet Tuesday.

ERIE CENTRAL 1/3 11500 11300 11410 11420 12530 12536. A chance of
thunderstorms Tuesday afternoon. Waves 1 foot or less building to
3 to 5 feet tonight. Waves 5 to 8 feet, and occasionally around
10 feet Tuesday.

ERIE EAST 1/3 11500 11300 11410 12420 11520 12536. A chance of
thunderstorms Tuesday. Waves 2 feet or less building to 2 to 4
feet tonight. Waves 3 to 5 feet building to 5 to 8 feet, and
occasionally around 10 feet Tuesday.

$$