Cape Henlopen to Fenwick Island DE out 20 nm Marine Forecast
| Today...Nw Winds Around 5 Kt, Becoming E Late This Morning, Then Becoming S This Afternoon. Seas Around 2 Ft. Wave Detail: Nw 1 Foot At 2 Seconds And Se 1 Foot At 6 Seconds. |
| Tonight...S Winds 10 To 15 Kt. Seas 2 To 3 Ft. Wave Detail: S 2 Ft At 3 Seconds And Se 2 Ft At 10 Seconds. |
| Thu...S Winds 10 To 15 Kt. Seas Around 3 Ft. Wave Detail: S 3 Ft At 5 Seconds And E 2 Ft At 9 Seconds. |
| Thu Night...S Winds 10 To 15 Kt With Gusts Up To 20 Kt, Becoming Sw 5 To 10 Kt After Midnight. Seas 3 To 4 Ft. Wave Detail: S 3 Ft At 5 Seconds And E 2 Ft At 9 Seconds. A Chance Of Showers. A Chance Of Tstms After Midnight. |
| Fri...Sw Winds Around 5 Kt. Seas 3 To 4 Ft. Wave Detail: Se 3 Ft At 6 Seconds And E 2 Ft At 9 Seconds. A Chance Of Showers. |
| Fri Night...Sw Winds Around 5 Kt, Becoming Nw After Midnight. Seas 2 To 3 Ft. Wave Detail: S 2 Ft At 6 Seconds And Se 2 Ft At 9 Seconds. A Chance Of Showers. |
| Sat...Ne Winds 5 To 10 Kt. Seas Around 2 Ft. A Chance Of Showers In The Morning. |
| Sat Night...E Winds Around 5 Kt. Seas Around 2 Ft. |
| Sun...Se Winds 5 To 10 Kt. Seas Around 2 Ft. |
| Sun Night...S Winds 5 To 10 Kt. Seas Around 2 Ft. Winds And Seas Higher In And Near Tstms. |
| Area Forecast Discussion National Weather Service Mount Holly NJ 636am EDT Wednesday August 26 2026 .WHAT HAS CHANGED... Severe and flash flood potential has increased for Thursday. .KEY MESSAGES... 1. A warm front on Thursday will bring the next chance for widespread rain. 2. A cold front is expected to follow close behind on Friday. KEY MESSAGE 1...A warm front on Thursday will bring the next chance for widespread rain. By Thursday, high pressure moves offshore with southerly return flow behind a warm front will bring dew points into the low 70s. Showers and possibly some thunderstorms will start moving into western areas before daybreak and continue through the day. Latest hi res guidance is now in range of Thursday afternoon and are showing some better organization of convection. As for the hazards, there is a SLIGHT (2 out of 4) risk for excessive rainfall. Precipitable water values increase to perhaps as high as 150% of normal for this time of year. The hi res CAMs are suggesting that the heaviest precipitation will be generally along the I-95 corridor and points northwest. Generally around 0.5 to 1.0 inch of rain is expected across the region, but neighborhood probabilities are showing the risk for localized Quantitative Precipitation Forecast values in excess of 2-3 inches. Widespread flash flooding still seems unlikely, but the localized threat has increased. For severe hazards, latest CAM guidance has come in more bullish for convective development in the afternoon. HREF mean SBCAPE values are around 1000-2000 J/kg with ensemble maximums around 3000 J/kg. While deep layer shear is lacking a bit (around 25 kt), hodographs are showing veering winds aloft to support a mostly multicell threat. Furthermore, steep low-level lapse rates will support rapid updraft development. Will need to continue monitoring hi res trends to see if this threat holds. Storm Prediction Center has expanded the area of a slight risk to now include the Poconos, Lehigh Valley, and Berks County. KEY MESSAGE 2...A cold front will cross the area Friday. The timing of this cold front will be critical in the risk for thunderstorm hazards. There are differences between models in both the timing, and if this will be a single cold front, or an initial cold front with a reinforcing shot of cold air advection coming in behind it. Saturday and Sunday appear to be dry across most of the area with the exception of southern areas Saturday where low probabilities of showers and storms will exist. Marine No marine hazards expected. Light winds and no restrictions to visibility expected Wednesday. Outlook... Thursday And Friday Gusts near 20 kt are possible, particularly on Thursday with southerly winds behind a warm front. Saturday and Sunday...No marine hazards expected. Rip Currents... On Wednesday, winds will shift southerly and increase to near 10 to 15 mph in the afternoon. A medium period swell will persist with breaking waves around 2 feet during much of the daytime. As a result, there is a LOW risk for the development of dangerous and life threatening rip currents at the Jersey Shore and at Delaware Beaches. For Thursday, winds remain southerly at 10 to 15 mph with gusts to 20 mph. An east-southeasterly swell remains with a period of 8-9 seconds with breaking waves around 2-3 feet. As a result, there is a MODERATE risk for the development of dangerous and life threatening rip currents at the Jersey Shore and a LOW risk at Delaware Beaches. For specific beach forecasts, visit weather.gov/beach/phi NOAA Mount Holly NJ Office: Watches - Warnings - Advisories PA...None. NJ...None. DE...None. MD...None. Marine None. |
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