Delaware Bay south of East Point NJ to Slaughter Beach DE Marine Forecast
| Tonight...Nw Winds 15 To 20 Kt, Becoming N 10 To 15 Kt After Midnight. Seas 2 To 3 Ft. Wave Detail: Nw 2 Ft At 4 Seconds And E 1 Foot At 7 Seconds. |
| Tue...N Winds 10 To 15 Kt With Gusts Up To 20 Kt, Becoming Nw 5 To 10 Kt In The Afternoon. Seas Around 2 Ft. Wave Detail: Nw 2 Ft At 3 Seconds And E 1 Foot At 3 Seconds. |
| Tue Night...Nw Winds 5 To 10 Kt, Becoming Sw After Midnight. Seas Around 2 Ft In The Evening, Then 1 Foot Or Less. Wave Detail: Nw 1 Foot At 3 Seconds. |
| Wed...S Winds 5 To 10 Kt. Seas 1 Foot Or Less, Then Around 2 Ft In The Afternoon. Wave Detail: Sw 1 Foot At 2 Seconds, Becoming S 1 Foot At 2 Seconds. |
| Wed Night...Sw Winds 10 To 15 Kt. Seas Around 2 Ft. Wave Detail: S 1 Foot At 3 Seconds. |
| Thu...Sw Winds 5 To 10 Kt. Seas Around 2 Ft In The Morning, Then 1 Foot Or Less. Wave Detail: Sw 1 Foot At 3 Seconds. |
| Thu Night...Nw Winds 5 To 10 Kt. Seas 1 Foot Or Less. |
| Fri...N Winds 5 To 10 Kt, Becoming W In The Afternoon. Seas Around 2 Ft. |
| Fri Night...Sw Winds Around 5 Kt, Becoming W After Midnight. Seas 1 Foot Or Less. |
| Sat...N Winds 5 To 10 Kt, Becoming E In The Afternoon. Seas 1 To 2 Ft In The Morning, Then 1 Foot Or Less. |
| Sat Night...E Winds 5 To 10 Kt. Seas 1 Foot Or Less. |
| Area Forecast Discussion National Weather Service Mount Holly NJ 116am EDT Tuesday Oct 6 2026 .WHAT HAS CHANGED... Updated aviation and marine sections, tweaked timing of Small Craft Advisories to run a little later. .KEY MESSAGES... 1. A cold front will continue moving through the area this evening resulting in dry but breezy conditions. 2. Tranquil weather will prevail this week continuing into the weekend with no significant weather hazards anticipated. KEY MESSAGE 1...A cold front will continue moving through the area this evening resulting in dry but breezy conditions. Tonight will be by far the coolest so far this season, as temperatures fall into the 40s in many areas by dawn Tuesday. Coastal areas and the Philly urban core will likely stay closer to 50 degrees, and areas north of I-78 will drop into the mid to upper 30s in some spots. There could be some patchy frost in the sheltered valleys of NW NJ and the southern Poconos, but confidence on this is somewhat low give the gradient wind that will still be in place. This should help prevent strong radiational cooling and thus temperatures from bottoming out too much. KEY MESSAGE 2...Tranquil weather will prevail this week continuing into the weekend with no significant weather hazards anticipated. High pressure will be in control through much of the week resulting in mostly clear/sunny skies and seasonably cool to mild temperatures. The first notably cool Canadian airmass of the season will settle into the area by Tuesday. Highs on Tuesday will only get into the low to mid 60s, with overnight lows Tuesday night/Wednesday morning dropping into the upper 30s and low to mid 40s. Forecast temperatures are high enough to not need any frost headlines just yet. The radiational cooling setup Tuesday night is not the most ideal. While surface winds will be light to calm, winds not far above the surface will be modest and beginning to advect higher moisture air that is closer to saturation aloft into the area. This combined with rebounding dewpoints should work to suppress strong radiational cooling despite mostly clear skies and light surface winds.Nevertheless, there could certainly be at least some patchy frost in the sheltered valleys of northwest New Jersey and the southern Poconos, where temperatures could locally drop into the mid 30s. As high pressure shifts offshore by Wednesday, airmass modification will commence. Temperatures return to more seasonable values on Wednesday, and likely go above normal on Thursday with highs in the mid to upper 70s. Temperatures look to return to near normal again for Friday and into the weekend. It should be an extended stretch of pleasant weather days with the next chance for rain not arriving until Sunday at the earliest. Marine Northwest winds continue into early this morning over the waters and a Small Craft Advisory remains in effect for all ocean waters through early morning. Generally expect northwest winds of 15 to 20 kt gusting up to 25 kt. As the winds begin to subside early this morning the Advisory expires in stages from south to north. Expect seas of 3 to 4 feet early lowering to 2 to 3 feet later today. Sub-SCA (Small Craft Advisory) for the bulk of today and tonight. Outlook... Wednesday through Saturday...No marine hazards expected. NOAA Mount Holly NJ Office: Watches - Warnings - Advisories PA...None. NJ...None. DE...None. MD...None. Marine Small Craft Advisory until 10am EDT this morning for ANZ450>452. Small Craft Advisory until 4am EDT early this morning for ANZ453>455. |
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