Chesapeake Bay from Drum Point MD to Smith Point VA Marine Forecast
| Rest Of Tonight...Sw Winds 15 Kt With Gusts To 20 Kt. Waves 2 Ft. |
| Sun...W Winds 10 Kt With Gusts To 20 Kt. Waves 2 Ft. |
| Sun Night...W Winds 5 Kt. Waves Less Than 1 Ft. |
| Mon...Sw Winds 5 To 10 Kt. Waves 1 Ft. |
| Mon Night...Sw Winds 15 To 20 Kt With Gusts To 30 Kt. Waves 3 Ft. |
| Tue...Sw Winds 15 To 20 Kt...Becoming Nw 10 Kt In The Afternoon. Gusts Up To 25 Kt. Waves 2 To 3 Ft. |
| Tue Night...Sw Winds 5 To 10 Kt. Waves 1 Ft. |
| Wed...Sw Winds 10 To 15 Kt...Becoming Nw. Waves 2 To 3 Ft. |
| Thu...Nw Winds 10 To 15 Kt. Waves 2 To 3 Ft. |
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Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 908pm EST Sat Jan 25 2025 Synopsis High pressure will remain to the south through Sunday. A pair of upper air disturbances will move across the area during the first half of the week. An Arctic front will move across the area Wednesday afternoon. High pressure will build over the region for the second half of the week. Near Term - Through Tonight Snow showers could bring a coating to the Alleghenies overnight as a clipper system moves north of the region, otherwise fair weather conditions expected with high pressure to the south. Low temps tonight won't be nearly as cold as they were this morning, some 15 degs F warmer under high dense broken clouds. Short Term - Sunday Through Monday Night Weak cold air aloft behind a weak shortwave trough may result in a few mountain snow showers. Otherwise, warmer as winds turn more from the WNW behind surface trough passage despite extensive high dense overcast. Mostly clear and seasonably cold Sunday night. Fair weather Monday with a continued warming trend as zonal flow prevails. A stronger shortwave trough will cross the area late Monday night-Tuesday with greater coverage of mountain snow showers. Winds will strengthen considerably Monday night through Tuesday at the higher elevations as pressure gradient tightens in strengthening NW downslope flow. Currently have Wind Advisory criteria winds at the higher elevs for that time period. Long Term - Tuesday Through Saturday Troughing will encompass much of the eastern US Tuesday with strong low pressure over Quebec and another clipper system diving toward the upper Great Lakes. High pressure will be centered along the Gulf Coast, causing the northern stream front to stall out. The pressure gradient between these systems will result in gusty west to southwest winds...potentially resulting in a continuation of strong downslope winds on the eastern slopes of the Allegheny Mountains through the morning. Most precipitation should remain north of the area, although a few snow showers could sneak into western Maryland. With the front remaining to the north, temperatures will remain mild, with highs in to 40s to mid 50s and lows in the upper 20s/lower 30s. The clipper low will pass to the north on Wednesday, with the trailing Arctic front likely pushing south by Wednesday night. Precipitation with the low itself should largely remain north of the area. However, along and behind the cold front, the chance for upslope snow showers will increase. Guidance is consolidating on the late Wednesday to early Thursday for accumulating snowfall in this area that could lead to travel impacts. While a few rain or snow showers could spill east toward the Blue Ridge/Catoctin Mountains, most of the remainder of the area should remain dry. The pressure gradient will remain strong near and behind this system with gusty winds both Wednesday and Thursday with Wind Advisory level gusts possible in the higher elevations. Temperatures will likely peak Wednesday, potentially nearing 60 degrees south of DC. While not as cold as recent days, temperatures will return below normal Thursday and Thursday night. High pressure will likely move overhead Thursday night into Friday before moving off the coast over the weekend. A closed low will eject from the Desert Southwest toward the Great Lakes and cause an upper ridge to build toward the east coast at during the same time. There remains a lot of uncertainty during this part of the forecast, especially in regards to how long the shallow cold air will remain entrenched east of the Appalachians. If moisture from the trough can overrun the lingering cold airmass, there could be wintry precipitation issues at some point next weekend. It's also possible conditions remain dry, so stay tuned to this portion of the forecast. Marine Some southerly channeling tonight could lead to marginal SCA conditions over the still free ice waters of the Chesapeake Bay south of Drum Point. Winds weaken on Sunday. SCA (Small Craft Advisory) conditions possible again Monday night into Tuesday morning. An Arctic front will likely approach from the north Tuesday, then cross the waters Wednesday. This will result in periods of gusty west to northwest flow that will continue into Thursday. SCAs (Small Craft Advisories) may be needed at times, and gale-force winds can't be ruled out especially late Wednesday and Wednesday night. NOAA Baltimore MD/Washington DC Office: Watches - Warnings - Advisories DC...None. MD...None. VA...None. WV...None. Marine Small Craft Advisory until 6am EST Sunday for ANZ532>534-537- 541-543. |
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