Withamsville, OH Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Withamsville, OH

June 14, 2024 9:26 AM EDT (13:26 UTC) Change Location
Sunrise 6:09 AM   Sunset 9:06 PM
Moonrise 1:02 PM   Moonset 12:57 AM 
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7 Day Forecast for Marine Location Near Withamsville, OH
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Area Discussion for - Wilmington, OH
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AREA FORECAST DISCUSSION National Weather Service Wilmington OH 645 AM EDT Fri Jun 14 2024

A cold front will cross the area this afternoon and this evening. High pressure will build in for Saturday and then move off to the east starting an extended period of southerly flow.
Highs will rise into the 90s on Sunday with hot temperatures persisting through the week.

Remnants of convective system continue to weaken as they move out of the forecast area. There is just a little bit of trailing shower activity, but for the most part expect there to be a lull before new convection develops with daytime heating and the approach of a cold front. These showers and thunderstorms will be isolated to scattered this afternoon with somewhat better coverage in central Ohio which will be closer to upper support in the form of a short wave pushing southeast across the Great Lakes.

With a moderately sheared environment, cannot rule out a few stronger storms dependent on how much instability is able to develop.

With the front being just a bit slower to move into the area, have bumped up highs slightly into the mid to upper 80s.

Cold front will be exiting the area during the evening. There still could be some showers or storms ongoing early before heading off to the south and east. High pressure will build in bringing a dry airmass through the rest of the period.

Lows will fall into the mid 50s to lower 60s with highs in the lower to mid 80s.

Surface high pressure still remains to our northeast Saturday night.
This will keep a more comfortable air mass in place overnight, with lows able to drop into the middle 50s to near 60. Conditions really begin to change on Sunday as this high pressure shifts to our south.
Return flow on the backside of the high will gradually usher in a more maritime air mass. Temperatures on Sunday are expected to climb back above the 90 degree mark for the majority of our CWA This will be the beginning of a prolonged stretch of abnormally warm and humid air.

H5 height rises will lead to a large heat dome that builds over much of the eastern CONUS next week. Across the Ohio Valley, some solutions (such ECMWF ensemble) suggest H5 height anomalies near or exceeding 2 sigma. Underneath this ridge, a stagnant, hot and humid air mass will remain in place through the entirety of the work week.
The primary uncertainty with this regime is the exact placement of the high pressure system, which could play a role on storm potential. Even as the region of high pressure expands through the middle of the week, some global models still try to initiate some showers/storms, likely diurnally driven from the unstable air mass that will be in place. This could certainly moderate daytime highs on any particular day. However, without any convection, we will observe highs in the 90s and lows in the 70s each day next week.

VFR is forecast through the period. Fairly high based clouds will prevail during the day. Expect isolated to scattered showers and thunderstorms to develop with heating. The better chance of any of that affecting the terminals will be in th Columbus area. So included a VCTS there. Beyond that, clouds will diminish after 00Z. Winds will be veering as a cold front moves through the area.

OUTLOOK...No significant weather is expected.


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