Tangier Sound and the inland waters surrounding Bloodsworth Island Marine Forecast
| Overnight...N Winds 5 Kt. Waves Flat. Patchy Fog. Vsby 1 To 3 Nm. |
| Wed...Nw Winds 5 Kt. Waves Flat. |
| Wed Night...S Winds 5 To 10 Kt. Waves 1 Ft. |
| Thu...S Winds 5 To 10 Kt. Waves 1 Ft. Showers Likely With A Chance Of Tstms. |
| Thu Night...Se Winds 5 To 10 Kt...Becoming N After Midnight. Waves 1 Ft. Showers Likely With A Chance Of Tstms. |
| Fri...Ne Winds 5 To 10 Kt. Waves 1 Ft. A Chance Of Showers. |
| Fri Night...E Winds 5 To 10 Kt. Waves 1 Ft. Showers With A Chance Of Tstms. |
| Sat...E Winds 5 To 10 Kt...Becoming Sw After Midnight. Waves 1 Ft. A Chance Of Tstms In The Morning. Showers Through The Day. A Chance Of Showers Through The Night. |
| Sun...W Winds 5 To 10 Kt. Waves 1 Ft. A Chance Of Showers And Tstms Through The Night. Winds And Waves Higher And Visibilities Lower In And Near Tstms. |
| Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 849pm EDT Tuesday August 18 2026 .WHAT HAS CHANGED... No significant changes were made to the latest forecast package. Will continue to monitor the upcoming model guidance as more unsettled weather returns late this week and into the weekend. .KEY MESSAGES... - 1) After a break Wednesday, showers and thunderstorm chances increase Thursday and Friday. - 2) Numerous showers and thunderstorms Saturday with lingering showers Sunday. Turning cooler and dry for next week. KEY MESSAGE 1...After a break Wednesday, showers and thunderstorm chances increase Thursday and Friday. Any shower activity remaining over far southern Maryland has decayed with the loss of daytime heating. While the main frontal zone has shifted down into the Carolinas, a diffuse moisture gradient remains over the local area. However, this boundary has slowly pushed south and east in time with higher dew points now confined to central Virginia over into southern Maryland. Most notably, this shows up on the 00Z IAD sounding which has seen a drop in precipitable water values from 1.85 inches to 1.17 inches in the last 12 hours. Surface high pressure builds eastward from the Ohio Valley tonight. Some clearing takes place, though more uncertainty exists across southern portions of the forecast area. Where skies are clear, fog may form, especially in the river valleys. The high will slide across the area Wednesday, providing dry conditions. Temperatures will be near or slightly above average. As a shortwave trough pivots through the Great Lakes and St. Lawrence Valley, the next cold front will approach the area Wednesday night. The chance for showers, and perhaps a thunderstorm, will increase the second half of the night from the north. Although timing remains a bit uncertain, the cold front looks to enter the area Thursday morning, then slowly cross southward through Thursday night. Questions regarding early day precipitation and cloud cover lend to uncertainty in how much instability builds Thursday afternoon, though a few stronger storms are certainly possible given increased flow aloft and lift along the front. AI/ML severe probabilities have been consistent showing higher values across southeastern portions of the CWA. The bulk of 12Z NWP (Numerical Weather Prediction) guidance is in general agreement with the strongest convective signals near or just south of the southern CWA (County Warning Area) border. Temperatures will depend on clouds and frontal position, with a range from the upper 70s to near 90 possible across the CWA. There could be a relative break in some areas on Friday if high pressure over the St. Lawrence valley shoves the front to the south. Relatively speaking, rain chances will be higher farther south, closer to the frontal zone. Troughing will begin to amplify Friday night, with low pressure perhaps developing and/or lifting northeastward from the Carolinas. Overrunning moisture will spread northward late in the day and overnight, though there remain questions on how quickly and how far north and west the rain reaches. KEY MESSAGE 2...Numerous showers and thunderstorms Saturday with lingering showers Sunday. Turning cooler and dry for next week. The longwave pattern is forecast to amplify significantly this weekend into next week as trough digs across the Great Lakes and OH Valley. This will drive a pair of cold fronts across the area Sat and Sunday providing focus for showers and thunderstorms. Saturday looks like the more active and more unstable day as shortwave energy moves across. By Sunday, the first cold front should have pushed the deep moisture and instability to the south limiting the coverage and intensity of showers. As trough axis shifts east of the area Sunday night or Monday, expect a cooler and drying trend to start the new work week. Marine Light winds are expected through Friday. North to northwest winds continue into Wednesday before briefing becoming southerly by late Wednesday. A brief enhancement is possible along the Chesapeake Bay Wednesday evening due to channeling, but prospects of advisory conditions are marginal at best. Winds then shift back to the northwest and north Thursday and Friday as a cold front pushes southward. A cold front may bring some thunderstorms to the waters on Thursday into Friday. Small Craft Advisory conditions are possible Saturday and again Sunday night into Monday morning as a series of fronts and low pressure centers move near the waters. Additional thunderstorms are possible Saturday. NOAA Baltimore MD/Washington DC Office: Watches - Warnings - Advisories DC...None. MD...None. VA...None. WV...None. Marine None. |
Dover DE Radar
Northeast Radar