Chesapeake Bay north of Pooles Island MD Marine Forecast
| Rest Of This Afternoon...Nw Winds 15 Kt With Gusts To 20 Kt. Waves 1 Ft. Isolated Showers. |
| Tonight...Nw Winds 10 To 15 Kt With Gusts To 20 Kt. Waves 1 Ft. |
| Thu...Nw Winds 10 To 15 Kt With Gusts To 20 Kt. Waves 1 Ft. |
| Thu Night...Nw Winds 5 To 10 Kt. Waves 1 Ft. |
| Fri...Nw Winds Around 5 Kt. Waves 1 Ft Or Less. |
| Fri Night...S Winds Around 5 Kt. Waves Flat. |
| Sat...S Winds 5 To 10 Kt. Waves 1 Ft Or Less. |
| Sun...S Winds 5 To 10 Kt. Waves 1 Ft. A Chance Of Showers Through The Day. Showers Likely Through The Night. |
| Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 241pm EDT Wednesday July 29 2026 .WHAT HAS CHANGED... Added isolated showers to northeastern Maryland this afternoon. Small Craft Advisories were extended into Thursday. .KEY MESSAGES... - 1) Showers and thunderstorms return to the area during the second half of the weekend and early next week. - 2) Minimal chances of rain through Friday night. KEY MESSAGE 1...Showers and thunderstorms return to the area during the second half of the weekend and early next week. A shortwave-trough dropping from the Great Lakes into the OH Valley over the weekend is expected to become cutoff by early next week. A weak area of low pressure is expected to form to its east slowly crossing the area Saturday night into early Monday. Numerous showers and thunderstorms are anticipated Saturday night through Monday. Shear and instability look minimal due to weak winds aloft and widespread cloudiness, so severe threat appears very low. Rainfall amounts of half to one inch spaced over a long period of time mean this rainfall would be largely beneficial and should not cause any flooding concerns. KEY MESSAGE 2...Minimal chances of rain through Friday night. The Mid Atlantic will be in between high pressure approaching from the upper Great Lakes and low pressure moving into New England through Thursday. This pressure gradient will result in gusty northwest winds today and Thursday, and moisture from the Great Lakes will result in a robust cumulus/stratocumulus field. Temperatures will be slightly below normal along with lower humidity. This afternoon, the closed mid/upper low is near the Hudson Valley. A spoke of deeper moisture is rotating southward through eastern PA, sparking some showers. These are moving quickly SSE-ward, with at least some isolated showers potentially reaching north central/NE MD as the afternoon progresses. Some light showers or sprinkles could also occur in upslope areas of the Alleghenies. The forecast for Thursday remains dry for now, but there is some consensus in another shortwave spoke dropping southward during the afternoon, potentially bringing more isolated showers to NE MD. The surface high will reach the area Friday. Shortwave ridging will approach from the west as the upper low departs. Dry conditions are expected with high temperatures closer to climatology in the mid 80s to near 90 and lows in the 60s to around 70. Marine Northwest winds gusting 20-25 knots continue this afternoon with a Small Craft Advisory for all waters now in effect through 8 PM. The advisory continues tonight along the bay. Winds will pick back up elsewhere after sunrise Thursday, but the best wind field will gradually retract northward through the day. Tried to capture this theme with the new advisories, but some adjustments may ultimately be needed. High pressure will build closer to the area Thursday night into Friday, resulting in lighter winds. Small Craft Advisories possible Saturday afternoon into Monday on strengthening southerly flow. Tides / Coastal Flooding Tidal anomalies will remain suppressed by northwest winds, although sensitive tidal locations may still reach Action stage during the high tide cycles. This weekend, tidal anomalies may rise with southerly winds. Annapolis may approach minor flood stage by Saturday morning. NOAA Baltimore MD/Washington DC Office: Watches - Warnings - Advisories DC...None. MD...Small Craft Advisory until 6pm EDT Thursday for MDZ008. VA...None. WV...None. Marine Small Craft Advisory until 6pm EDT Thursday for ANZ530-531- 539. Small Craft Advisory until 2pm EDT Thursday for ANZ532>534- 537-540-541-543. Small Craft Advisory until 8pm EDT this evening for ANZ535- 536-538-542. Small Craft Advisory from 8am to 6pm EDT Thursday for ANZ535- 538. |
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