Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

FZUS51 KBUF 270254
NSHBUF

Experimental Tabular Nearshore Marine Forecast
National Weather Service Buffalo NY
1054 PM EDT Sat Jul 26 2025

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.

LEZ020-270800-
Upper Niagara River and Buffalo Harbor-
1054 PM EDT Sat Jul 26 2025

.Overnight...
Weather.............Mostly cloudy with chance of showers. chance of
                              thunderstorms. showers.
Sfc winds...........Southwest 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.

.SUNDAY...
Weather.............Mostly cloudy with chance of showers and
                              thunderstorms, then mostly sunny in the late
                              morning and afternoon.
Sfc winds...........West 5 to 10 knots.
100-ft winds........West 10 to 15 knots.

.SUNDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Southwest 5 to 10 knots early in the evening
                              becoming light and variable.
100-ft winds........Southwest 10 to 15 knots early in the evening
                              becoming light and variable.

.MONDAY...
Weather.............Sunny.
Sfc winds...........Light and variable winds becoming southwest 5
                              to 10 knots in the late morning and afternoon.
100-ft winds........Light and variable winds becoming southwest 10
                              to 15 knots in the late morning and afternoon.

.MONDAY NIGHT...
Weather.............Mostly clear until early morning. mostly clear
                              in the late evening and early morning.
Sfc winds...........Southwest 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.

.FORECAST DAYS 3 THROUGH 5......
.TUESDAY...West winds 5 to 10 knots.
.WEDNESDAY...Chance of showers. Northwest winds 5 to 10 knots.
.THURSDAY...Chance of showers in the morning. North winds 5 to
10 knots.

$$

LOZ030-270800-
Lower Niagara River-
1054 PM EDT Sat Jul 26 2025

.Overnight...
Weather.............Cloudy with chance of showers. chance of
                              thunderstorms. showers likely.
Sfc winds...........Southwest 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.

.SUNDAY...
Weather.............Mostly cloudy with showers likely with a chance
                              of thunderstorms, then mostly sunny in the late
                              morning and afternoon.
Sfc winds...........West 5 to 10 knots.
100-ft winds........West 10 to 15 knots.

.SUNDAY NIGHT...
Weather.............Clear.
Sfc winds...........West 5 to 10 knots early in the evening
                              becoming light and variable.
100-ft winds........West 10 to 15 knots early in the evening
                              becoming light and variable.

.MONDAY...
Weather.............Sunny.
Sfc winds...........Light and variable winds becoming southwest 5
                              to 10 knots in the late morning and afternoon.
100-ft winds........Light and variable winds becoming southwest 10
                              to 15 knots in the late morning and afternoon.

.MONDAY NIGHT...
Weather.............Partly cloudy until early morning.
Sfc winds...........Southwest 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.

.FORECAST DAYS 3 THROUGH 5......
.TUESDAY...Northwest winds 5 to 10 knots.
.WEDNESDAY...Chance of showers. Northwest winds 5 to 10 knots.
.THURSDAY...Chance of showers in the morning. North winds 5 to
10 knots.

$$

LEZ041-270800-
Lake Erie nearshore waters from Dunkirk to Buffalo-
1054 PM EDT Sat Jul 26 2025

.Overnight...
Weather.............Mostly cloudy with chance of showers. chance of
                              thunderstorms. showers.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........1 to 3 feet.

.SUNDAY...
Weather.............Mostly cloudy with chance of showers and
                              thunderstorms, then partly sunny in the late
                              morning and afternoon.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.

.SUNDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.

.MONDAY...
Weather.............Sunny.
Sfc winds...........Light and variable winds becoming west 5 to 10
                              knots in the late morning and afternoon.
100-ft winds........Light and variable winds becoming west 10 to 15
                              knots in the late morning and afternoon.
Sig waves...........2 feet or less.

.MONDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........Southwest 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.
Sig waves...........2 feet or less.

.FORECAST DAYS 3 THROUGH 5......
.TUESDAY...West winds 5 to 10 knots. Waves 2 feet or less.
.WEDNESDAY...Chance of showers. Northwest winds 5 to 10 knots.
Waves 2 feet or less.
.THURSDAY...Chance of showers in the morning. North winds 5 to
10 knots. Waves 2 feet or less.

$$

LEZ040-270800-
Lake Erie nearshore waters from Ripley to Dunkirk-
1054 PM EDT Sat Jul 26 2025

.Overnight...
Weather.............Mostly cloudy. chance of thunderstorms.
                              showers.
Sfc winds...........Southwest 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.
Sig waves...........1 to 3 feet.

.SUNDAY...
Weather.............Mostly cloudy with chance of showers and
                              thunderstorms. partly sunny in the late morning
                              and afternoon.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.

.SUNDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 to 4 feet.

.MONDAY...
Weather.............Sunny.
Sfc winds...........Southwest 5 to 10 knots becoming west early in
                              the afternoon.
100-ft winds........Southwest 10 to 15 knots becoming west early in
                              the afternoon.
Sig waves...........2 feet or less.

.MONDAY NIGHT...
Weather.............Partly cloudy, then mostly cloudy with chance
                              of showers and thunderstorms after midnight.
Sfc winds...........Southwest 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.
Sig waves...........2 feet or less.

.FORECAST DAYS 3 THROUGH 5......
.TUESDAY...Chance of showers in the morning. West winds 5 to
10 knots. Waves 2 feet or less.
.WEDNESDAY...Chance of showers. Northwest winds 5 to 10 knots.
Waves 1 to 3 feet.
.THURSDAY...Chance of showers in the morning. North winds 10 to
15 knots. Waves 1 to 3 feet.

$$

LOZ042-270800-
Lake Ontario nearshore waters from the Niagara River to Hamlin
Beach-
1054 PM EDT Sat Jul 26 2025

.Overnight...
Weather.............Cloudy with chance of showers. cloudy with
                              chance of thunderstorms. cloudy with showers
                              likely.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........1 to 3 feet.

.SUNDAY...
Weather.............Partly sunny with chance of showers, then sunny
                              in the late morning and afternoon.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........1 to 3 feet.

.SUNDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........West 5 to 10 knots.
100-ft winds........West 10 to 15 knots.
Sig waves...........1 to 3 feet.

.MONDAY...
Weather.............Sunny.
Sfc winds...........West 5 to 10 knots.
100-ft winds........West 10 to 15 knots.
Sig waves...........2 feet or less.

.MONDAY NIGHT...
Weather.............Mostly clear until early morning. mostly clear
                              in the late evening and early morning.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........1 to 3 feet.

.FORECAST DAYS 3 THROUGH 5......
.TUESDAY...West winds 10 to 15 knots. Waves 1 to 3 feet.
.WEDNESDAY...Chance of showers. Northwest winds 10 to 15 knots.
Waves 1 to 3 feet.
.THURSDAY...Chance of showers in the morning. North winds 10 to
15 knots. Waves 2 to 4 feet.

$$

LOZ043-044-270800-
Lake Ontario nearshore waters from Hamlin Beach to Sodus Bay-
Lake Ontario nearshore waters from Sodus Bay to Mexico Bay-
1054 PM EDT Sat Jul 26 2025

.Overnight...
Weather.............Showers likely with a chance of thunderstorms.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 feet or less.

.SUNDAY...
Weather.............Mostly cloudy with chance of showers and
                              thunderstorms, then mostly sunny in the late
                              morning and afternoon.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........1 to 3 feet.

.SUNDAY NIGHT...
Weather.............Clear.
Sfc winds...........West 5 to 10 knots.
100-ft winds........West 10 to 15 knots.
Sig waves...........1 to 3 feet.

.MONDAY...
Weather.............Sunny.
Sfc winds...........West 5 to 10 knots.
100-ft winds........West 10 to 15 knots.
Sig waves...........1 to 3 feet.

.MONDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........West 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.
Sig waves...........2 feet or less.

.FORECAST DAYS 3 THROUGH 5......
.TUESDAY...West winds 5 to 10 knots. Waves 1 to 3 feet.
.WEDNESDAY...Chance of showers after midnight. Northwest winds
5 to 10 knots. Waves 1 to 3 feet.
.THURSDAY...Chance of showers in the morning. North winds 10 to
15 knots. Waves 2 to 4 feet.

$$

LOZ045-270800-
Lake Ontario nearshore waters from Mexico Bay to the Saint
Lawrence River-
1054 PM EDT Sat Jul 26 2025

.Overnight...
Weather.............Cloudy, then showers with a chance of
                              thunderstorms after midnight.
Sfc winds...........South 10 to 15 knots.
100-ft winds........South 15 to 20 knots.
Sig waves...........1 to 3 feet.

.SUNDAY...
Weather.............Cloudy with chance of showers and
                              thunderstorms, then mostly sunny in the late
                              morning and afternoon.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........1 to 3 feet.

.SUNDAY NIGHT...
Weather.............Mostly clear.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........1 to 3 feet.

.MONDAY...
Weather.............Sunny.
Sfc winds...........Southwest 10 to 15 knots.
100-ft winds........Southwest 15 to 20 knots.
Sig waves...........2 feet or less.

.MONDAY NIGHT...
Weather.............Partly cloudy.
Sfc winds...........Southwest 5 to 10 knots.
100-ft winds........Southwest 10 to 15 knots.
Sig waves...........2 feet or less.

.FORECAST DAYS 3 THROUGH 5......
.TUESDAY...West winds 5 to 10 knots. Waves 2 feet or less.
.WEDNESDAY...Northwest winds 5 to 10 knots. Waves 1 to 3 feet.
.THURSDAY...North winds 5 to 10 knots. Waves 2 feet or less.

$$