Marine Weather and Tide Forecast for Hamilton, OH

KEY MESSAGES
1) A weak trough of low pressure will nose into ne OH this afternoon, increasing wind speeds with occasional gusts over the nrn 1/2 of fcst area. Temperatures will struggle to reach the upper 50s with these winds, and after morning lows near freezing.

2) High temperatures through Wednesday will remain above normal, then drop on Thursday, bottoming out Friday about 5-8 deg below normal.
Thurs and Sat are expected to be near normal.

3) Rain is expected to overspread the area Wed night and depart sometime Thurs night. During the day Friday, cold pool showers will be scattered about the region, ending in the evening.

DISCUSSION
KEY MESSAGE 1) Trough of low pressure will drop se into ne OH this afternoon and early evening. Underneath the trough, pressure gradient will tighten slightly over nrn CWA, bringing a few gusts to 25 mph in sw flow. Southern CWA will see wind speeds of 10-15 mph without any significant gusts. Temperatures will struggle to reach the upper 50s with these winds, and after morning lows near or just below freezing.

KEY MESSAGE 2) Ridging at the surface and aloft will permit highs to increase a little on Monday with upper 50s to near 60, and jump back up into the low to mid 60s Tuesday, and within a few degrees of 60 Wednesday. Readings drop to around 50 Thurs and bottom out in the mid 40s Friday, returning to near 50 on Saturday.

KEY MESSAGE 3) A digging system will result in the passage of a surface cold front late Wednesday into Thursday. This system leads to a mid level low that develops over the Great Lakes late in the week.
This will lead to a chance of rain beginning Wednesday night and continuing into Thursday. The mid level low will keep the threat for precipitation in the forecast into Friday. Temperatures will turn colder with highs in the 50s Thursday, the 40s for Friday, and the upper 40s to around 50 Saturday.

AVIATION /12Z SUNDAY THROUGH THURSDAY/
A weak trough of low pressure will nose into ne OH this afternoon, increasing wind speed to 10-15kt. Highest wind speeds with occasional gusts 20-25kt will occur further n, particularly at CMH/LCK/DAY and to a lesser extent ILN. In the evening, winds will turn west and lighten, especially at CVG/LUK where 6kt or less is expected.

Otherwise, VFR conditions will be found through the period with some passing high cirrus clouds.

OUTLOOK...Significant weather is not expected.

ILN WATCHES/WARNINGS/ADVISORIES
OH...Freeze Warning until 10 AM EST this morning for OHZ055-064-073- 077>082-088.
KY...Freeze Warning until 10 AM EST this morning for KYZ089>100.
IN...Freeze Warning until 10 AM EST this morning for INZ073>075-080.