Delaware Bay north of East Point NJ to Slaughter Beach DE Marine Forecast
| Today...Se Winds 5 To 10 Kt, Increasing To 10 To 15 Kt With Gusts Up To 20 Kt This Afternoon. Seas Around 2 Ft. Wave Detail: Se 2 Ft At 3 Seconds. A Chance Of Showers Late. |
| Tonight...Se Winds 15 To 20 Kt, Becoming Sw 10 To 15 Kt After Midnight. Seas 1 To 2 Ft. Wave Detail: Se 2 Ft At 4 Seconds. Showers With A Chance Of Tstms In The Evening, Then Showers Likely After Midnight. |
| Thu...Nw Winds 15 To 20 Kt With Gusts Up To 25 Kt. Seas 1 To 2 Ft. Wave Detail: Nw 2 Ft At 3 Seconds. |
| Thu Night...Nw Winds 15 To 20 Kt, Diminishing To 10 To 15 Kt After Midnight. Seas 1 To 2 Ft. Wave Detail: Nw 2 Ft At 3 Seconds. |
| Fri...W Winds 10 To 15 Kt. Seas 1 Foot Or Less, Then Around 2 Ft In The Afternoon. Wave Detail: Nw 1 Foot At 3 Seconds, Becoming W 1 Foot At 2 Seconds. |
| Fri Night...W Winds 5 To 10 Kt. Seas 1 Foot Or Less. Wave Detail: W 1 Foot At 2 Seconds. A Chance Of Showers. |
| Sat...Nw Winds 5 To 10 Kt. Seas 1 Foot Or Less. A Chance Of Showers. |
| Sat Night...Nw Winds 5 To 10 Kt. Seas 1 Foot Or Less. A Chance Of Showers In The Evening. |
| Sun...W Winds 10 To 15 Kt. Seas 1 Foot Or Less, Then Around 2 Ft In The Afternoon. |
| Sun Night...W Winds 5 To 10 Kt. Seas Around 2 Ft In The Evening, Then 1 Foot Or Less. Winds And Seas Higher In And Near Tstms. |
| Area Forecast Discussion National Weather Service Mount Holly NJ 245am EDT Wednesday April 29 2026 .WHAT HAS CHANGED... Rainfall totals have lowered a bit. The chance for stronger thunderstorms has lowered. .KEY MESSAGES... 1. Low pressure and its associated fronts will cross the area later today and into early Thursday. 2. A storm system tracks close to our area from the south Saturday, bringing a potential for rain. KEY MESSAGE 1...Low pressure and its associated fronts will cross the area later today and into early Thursday. A deepening upper-level trough/closed low centered across the Upper Great Lakes region today will pivot eastward through Thursday. This will promote a surface low pressure system to form across the Ohio Valley today and move east-northeast overnight. A strong cold front will follow for Thursday morning. Rains will move out ahead of the low today and chances increase from West to East through the day. There is also a chance for a tstm as milder and slightly unstable air moves in later today along with the low level jet around 40kts. The chances for any strong or severe thunderstorms is low with CAPE values remaining low with the limited surface heating today. The Storm Prediction Center has reduced the areal coverage of the Marginal risk area in our CWA (County Warning Area) today but it remains just SW our our region. Overall, storm total rainfall looks to be between 0.25-0.75 inches across our entire region. These totals are lower compared to the previous forecast. If an embedded stronger convective contribution materializes though, then locally higher rainfall totals will be probable. This rain is much needed given the ongoing longer term drought conditions in place. The showers rapidly end early Thursday morning as the cold front and surface low clears our area, with a gusty breeze occurring during Thursday. KEY MESSAGE 2...A storm system tracks close to our area from the south Saturday, bringing a potential for rain. As a closed low remains across southeastern Canada over the weekend, a stronger shortwave is forecast to rotate through the base of it from the Ohio Valley to the Mid-Atlantic then offshore. This feature should support surface low development, however the model guidance varies on the placement of this low. Some models and ensembles have this low stronger and farther to the north, which would bring a shield of rain across most of our area. Some other guidance, including the GFS, are weaker and farther south with the surface low. Despite the uncertainty with the location/track of the surface low, given the synoptic setup suggests that whatever system occurs would tend to be a quick mover. Also, given the presence of the closed low, temperatures will be chilly over the weekend (well below average) with Saturday being the coolest. This potential system will continue to be monitored as a more developed and farther north storm track would offer widespread rainfall across the area. Marine Sub-SCA (Small Craft Advisory) conditions expected today and tonight. Winds will be mainly SE 5 to 10 kts this morning then 10 to 15 kts this afternoon and early evening. Winds turn SW then NW between midnight and dawn Thu. Low-end SCA (Small Craft Advisory) gusts possible, but not certain. Fair today then showers with a chance of a tstm this evening. Outlook... Thursday...A period of Small Craft Advisory conditions possible, mainly for seas around 3-5 feet. Friday through Sunday The conditions are anticipated to be below Small Craft Advisory criteria. NOAA Mount Holly NJ Office: Watches - Warnings - Advisories PA...None. NJ...None. DE...None. MD...None. Marine None. |
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