Chesapeake Bay north of Pooles Island MD Marine Forecast
| This Afternoon...S Winds 10 Kt With Gusts To 20 Kt. Waves 1 Ft. Isolated Showers. |
| Tonight...W Winds 5 To 10 Kt. Waves 1 Ft. Scattered Showers. |
| Tue...Nw Winds 5 To 10 Kt. Waves 1 Ft. |
| Tue Night...Nw Winds 5 Kt. Waves Less Than 1 Ft. |
| Wed...Sw Winds Around 5 Kt. Waves 1 Ft Or Less. |
| Wed Night...S Winds 5 Kt. Waves Less Than 1 Ft. |
| Thu...N Winds 5 To 10 Kt. Waves 1 Ft. |
| Fri...Se Winds 5 Kt. Waves Less Than 1 Ft. |
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Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 252pm EDT Monday September 23 2019 Synopsis A cold front will pass through the area this evening with high pressure building overhead Tuesday through Wednesday. Another weak cold front will pass through the area Thursday with limited moisture before high pressure briefly returns on Friday, migrating off the coast this weekend. .NEAR TERM Through Tonight Clouds are increasing along and west of the Blue Ridge this afternoon as a surface cold front approaches from Ohio. Temperatures this afternoon are ranging from the low to middle 80s in the cloud covered mountains, to the upper 80s to lower 90s east of the Blue Ridge into the metro areas where abundant sunshine dominates. Radar returns indicating scattered light showers across northern MD and the eastern panhandle of WV. Based on available observations and webcams, its barely enough to dampen surfaces as there is some low level dry air to contend with as well. The front is pretty evident on satellite with a sharp line of cumulus clouds and showers over Ohio. As the front presses eastward and crosses into the region this evening, additional widely scattered showers and an isolated thunderstorm will be possible. However, instability will remain limited with MUCAPE values topping no better than 500 J/kg and guidance consensus revealing a broken/weakening line of showers moving through this evening. Any precipitation that does fall will be light, generally less than a quarter of an inch, outside of any convective elements. In the wake of the front overnight, winds will turn out of the west northwest as drier air filters into the region. Dry conditions and decreasing clouds can be expected as temperatures settle into the middle 50s in the mountains to the middle 60s near the metros. Short Term - Tuesday Through Wednesday Night Behind the front, high pressure over the central U.S. will migrate eastward and build over the region. This high will settle overhead on Wednesday before drifting offshore Wednesday night. As a result, dry conditions and cooler temperatures will prevail. While temperatures will be cooler, they will remain slightly above normal for late September, topping out in the upper 70s to low 80s on Tuesday, moderating to the low to middle 80s on Wednesday. Overnight lows will bottom out in the 50s to low 60s. Patchy fog will be possible both Tuesday and Wednesday night, but with the lack of appreciable rainfall, widespread dense fog is unlikely. Long Term - Thursday Through Monday A shortwave-trough and associated cold front will cross the area on Thursday. For the most part, this is expected to be a dry cold front for most except in the upslope areas of western Grant County where a couple of showers are possible. Temperatures cool off a bit Fri but remain above normal. Strong ridge then builds Fri and holds through early next week leading to hot temperatures once again into the 90s. A weak cold front will cross the area Saturday and may bring a few showers to western areas. Otherwise, continued warm and dry. Marine SCA (Small Craft Advisory) gusts are expected over the waters this afternoon and into the night as cold front crosses the waters. Winds likely slacken for a period this evening as the front crosses, then increase once again overnight in its wake. As such, SCA (Small Craft Advisory) gusts are expected to linger into Tuesday morning before decreasing Tuesday afternoon. High pressure returns over the waters thereafter through Wednesday night, with light winds and sub SCA conditions expected. Winds 10 kt or less through Saturday. NOAA Baltimore MD/Washington DC Office: Watches - Warnings - Advisories DC...None. MD...None. VA...None. WV...None. MARINE... Small Craft Advisory until 8pm EDT this evening for ANZ530>533-535-536-538>542. Small Craft Advisory from 4am to 11am EDT Tuesday for ANZ530- 531-535-536-538>540-542. Small Craft Advisory until 2pm EDT Tuesday for ANZ534-543. Small Craft Advisory from 2am to 2pm EDT Tuesday for ANZ532- 533-541. Small Craft Advisory until 2pm EDT Tuesday for ANZ537. |
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