Manasquan Inlet to Little Egg Inlet NJ out 20 NM Marine Forecast
| This Afternoon...S Winds 20 To 25 Kt With Gusts Up To 30 Kt. Seas 4 To 5 Ft. Wave Detail: S 5 Ft At 5 Seconds And Se 3 Ft At 9 Seconds. |
| Tonight...Sw Winds 20 To 25 Kt With Gusts Up To 30 Kt. Seas 5 To 7 Ft. Wave Detail: S 7 Ft At 6 Seconds And E 3 Ft At 9 Seconds. Showers. |
| Sat...Nw Winds 10 To 15 Kt, Becoming Ne In The Afternoon. Seas 3 To 5 Ft. Wave Detail: S 5 Ft At 7 Seconds And E 3 Ft At 9 Seconds. |
| Sat Night...E Winds 5 To 10 Kt, Becoming S After Midnight. Seas 2 To 3 Ft. Wave Detail: Se 2 Ft At 7 Seconds. |
| Sun...S Winds 10 To 15 Kt. Seas 3 To 5 Ft. Wave Detail: S 4 Ft At 5 Seconds And E 2 Ft At 8 Seconds. |
| Sun Night...Sw Winds 10 To 15 Kt, Becoming W 15 To 20 Kt After Midnight. Seas 4 To 6 Ft. Wave Detail: S 4 Ft At 5 Seconds And E 2 Ft At 9 Seconds. A Chance Of Showers. |
| Mon...N Winds 15 To 20 Kt. Seas 4 To 6 Ft. A Chance Of Showers. |
| Mon Night...Nw Winds 15 To 20 Kt. Seas 4 To 6 Ft, Subsiding To 3 To 4 Ft After Midnight. |
| Tue...N Winds 15 To 20 Kt, Becoming Ne 5 To 10 Kt In The Afternoon. Seas 2 To 4 Ft. |
| Tue Night...S Winds 10 To 15 Kt. Seas 2 To 4 Ft. |
| Area Forecast Discussion National Weather Service Mount Holly NJ 205pm EDT Fri Mar 20 2026 .WHAT HAS CHANGED... No significant changes to the forecast at this time. .KEY MESSAGES... 1. Mild conditions aided by gusty winds will be followed by a line of showers and possibly some thunderstorms this evening associated with a cold front. 2. Warmer to end the weekend before a strong cold front moves through Sunday night into early Monday morning with showers perhaps some thunder, then colder air and gusty winds to start next week. KEY MESSAGE 1...Mild conditions aided by gusty winds will be followed by a line of showers and possibly some thunderstorms this evening associated with a cold front. Surface low pressure tracking through the Great Lakes will track across the interior Northeast tonight. As it does so, its associated cold front will track across the area late tonight into early Saturday morning. Out ahead of the front, the pressure gradient is tightening with high pressure located offshore. This is resulting in southerly flow to increase where gusts may occasionally reach up to 20-30 mph this afternoon before waning into this evening. Highs will top out in the low to mid 60s for many areas, though will be cooler along the coast thanks to the southerly flow off the cooler Atlantic. For later this afternoon and this evening, some shower activity will begin to move into the area from northwest to southeast associated with the aforementioned low pressure and front. Forecast soundings continue to depict a corridor of elevated instability around, so have opted to keep a slight chance of thunder mention in the forecast for tonight. Total rainfall amounts look to range from one quarter to one half of an inch for areas along and northwest of I- 95, with around one tenth to one quarter of an inch elsewhere. Locally higher amounts possible in any heavier showers/t-storms. Showers are likely to continue through the early overnight hours, before coming to an end between 12-3 AM. Winds will gradually shift to northwest behind the front by day break with dry conditions and clear skies returning for Saturday. KEY MESSAGE 2...Warmer to end the weekend before a strong cold front moves through Sunday night into early Monday morning with showers perhaps some thunder, then colder air and gusty winds to start next week. The southern part of an upper-level trough across eastern Canada is forecast to amplify some Sunday into Monday across the Northeast and northern Mid-Altantic. This will drive surface low pressure eastward from the Great Lakes which tracks just to our north later Sunday, however another low develops along the front and slides over our area Sunday night. A frontal zone will be to our north and this will keep our area within the warm sector with southwesterly winds. A strong cold front tied to the surface low is forecast to slide across our area Sunday night into early Monday morning. At least some of the newer model guidance is a bit faster with the passage of the cold front as low pressure is farther south. A ribbon of stronger forcing for ascent ahead of and with the cold front should result in an area of showers arriving in our northwest zones later Sunday afternoon then spreading southeastward Sunday night into early Monday morning. Some model guidance shows some mostly elevated instability advecting eastward ahead of the cold front Sunday night, and this could be enough for a few embedded thunderstorms. The NBM indicated a slight chance of thunderstorms for much of the area and that seems reasonable for now. Rainfall totals, as of now, range from 0.10-0.40 inches across the region. A warmer air mass will be in place Sunday with most of the region reaching into the mid/upper 60s to low 70s. A more southerly wind component though will keep it cooler along the coast due to the wind off the cold ocean. As cold air advection develops later Sunday night in the wake of the cold front, temperatures will fall and this should result in high temperatures Monday occurring during the morning to perhaps midday hours before leveling off and then falling some during the afternoon. A pressure gradient tightens in the wake of low pressure departing to our east and northeast Monday and high pressure building toward the Ohio Valley. This combined with strong cold air advection will steepen the low-level lapse rates and result in deeper mixing. A gusty northwest wind results during Monday especially in the afternoon into the evening, with peak wind gusts potentially reaching up to 40 mph. There will be less wind on Tuesday, however even colder/below average temperatures are forecast. Marine A Small Craft Advisory is in effect for the Delaware Bay until 12am tonight. A Small Craft Advisory is in effect for the Atlantic Coastal waters from Cape May NJ to Fenwick Island DE until 6am Saturday. A Small Craft Advisory is in effect for the Atlantic Coastal waters from Sandy Hook NJ to Cape May NJ until 10am Saturday. SSW winds continue to increase this afternoon and into this evening with winds around 15-25 kt with occasional gusts up to 30 kt. Winds will then begin to subside after midnight to around 15-20 kt. Seas of 4-7 feet. Showers likely with a slight chance of thunderstorms. For Saturday, SW winds early will become NW around 10-15 kt in wake of frontal passage. Winds will then gradually shift out of the east in the afternoon around 10 kt. Seas diminish to around 3-5 feet. Fair weather outside of SCA (Small Craft Advisory) conditions. Outlook... Saturday night...The conditions are anticipated to be below Small Craft Advisory criteria. Sunday and Monday...Small Craft Advisory conditions probable Sunday night and Monday. The conditions should subside Monday night, especially seas. Tuesday and Wednesday...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 Small Craft Advisory until midnight EDT tonight for ANZ430-431. Small Craft Advisory until 10am EDT Saturday for ANZ450>453. Small Craft Advisory until 6am EDT Saturday for ANZ454-455. |
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