South Shore Bays from Jones Inlet through Shinnecock Bay Marine Forecast
| Tonight...Ne Winds 5 To 10 Kt. Waves Around 2 Ft Late This Evening, Then 1 Ft Or Less. |
| Fri...E Winds Around 10 Kt, Becoming Se In The Afternoon. Waves 1 Ft Or Less. |
| Fri Night...S Winds 5 To 10 Kt. Waves 1 Ft Or Less. Showers Likely, Mainly After Midnight. |
| Sat...W Winds 5 To 10 Kt, Increasing To 10 To 15 Kt With Gusts Up To 20 Kt In The Afternoon. Waves 1 Ft Or Less, Then 1 To 2 Ft In The Afternoon. Chance Of Showers In The Morning. |
| Sat Night...Nw Winds 10 To 15 Kt With Gusts Up To 20 Kt. Waves 1 To 2 Ft. |
| Sun...Nw Winds Around 10 Kt, Becoming Sw With Gusts Up To 20 Kt In The Afternoon. Waves 1 To 2 Ft. |
| Sun Night...Sw Winds 10 To 15 Kt With Gusts Up To 20 Kt, Becoming W 5 To 10 Kt After Midnight. Waves 1 To 2 Ft In The Evening, Then 1 Ft Or Less. |
| Mon...W Winds 5 To 10 Kt. Waves 1 Ft Or Less. |
| Mon Night...Sw Winds 5 To 10 Kt. Waves 1 Ft Or Less. |
| Tue...Se Winds 10 To 15 Kt. Waves 1 To 2 Ft. |
| Tue Night...S Winds 10 To 15 Kt With Gusts Up To 20 Kt. Waves 1 To 2 Ft. Chance Of Showers. |
| Area Forecast Discussion National Weather Service New York NY 132am EDT Fri April 19 2024 Synopsis A weak wave of low pressure well east of the Delmarva will drift southeast overnight as high pressure noses down from eastern New England and the Canadian Maritimes. The high will weaken on Friday as a cold front approaches from the west. The front will move through late Friday night into early Saturday, followed by a dry secondary cold frontal passage late day Saturday or Saturday evening. High pressure will then follow from Saturday night into early next week. A weak frontal system will impact the region mid week. Near Term - Until 6am This Morning The lower stratus has dissipated as low level dry air moves into from the east. Removed any mention of drizzle and fog through the overnight. Otherwise, made only minor tweaks for temperatures and dew points, and winds/gusts. Somewhat blocky pattern noted, with a series of omega blocks stretching from the NE Pacific all the way to warning Europe, but with enough of a zonal jet across the Pacific and CONUS to the south to keep things somewhat progressive. Skies will remain cloudy in the wake of a shortwave as moisture remains trapped beneath a subsidence inversion associated with the upper ridge. Low temps tonight per MOS guidance blend should be in the upper 30s inland and lower 40s along the coast and in the metro area. Short Term - 6am This Morning Through 6pm Saturday The surface high will hang in early Fri morning, then slowly weaken and move east in the late morning and afternoon, with an onshore SE-S flow developing in the afternoon. A cold front begins to approach late Fri afternoon and should move across Fri night with showers, especially inland during the first half of Fri night (likely PoP), then across Long Island and S CT later Fri night (likely/cat PoP) as better low level thermal and moisture advection develops along the coast. After some lingeringam showers mainly across eastern Long Island and SE CT in the morning, dry conditions expected for Sat, with some partial sunshine developing. Downslope gusty W-NW flow and deep mixing to 750 mb late in the afternoon should allow temps to rise into the 60s throughout, possibly approaching 70 in urban NE NJ if not a little warmer just ahead of an approaching dry cold front late in the day. Long Term - Saturday Night Through Thursday High pressure will continue to build 0into the region through the second half of the weekend and remain in control of the weather through Tuesday with a zonal pattern and weak troughing pattern aloft. Cold air advection will lead to cooler temps Saturday night into Sunday. Saturday night lows will be in the mid 30s to mid 40s, followed by highs on Sunday in the upper 50s/lower 60s. This looks to warm up thereafter with highs mostly into the 60s on Monday and Tuesday. Sunny skies are expected for much of Monday and Tuesday aided by high pressure. A 500 mb trough shifts through the Great Lakes on Tuesday, with an associated weak surface low and cold front as it moves into NE Canada Wednesday into Thursday. Rain chances increase on Wednesday as this system moves across. Drier weather returns for Thursday. Temperatures fall back to a degree or two below normal behind the cold front on Thursday. Marine Winds, gusts, and ocean seas were all a little lower than forecast and were updated to reflect current conditions. SCA seas remain on the ocean waters into Friday. Ocean seas may linger over 5 ft into Fri night or early Sat morning. High pressure should then keep conditions at sub-advisory levels through at least Tuesday night. Conditions may build back to SCA (Small Craft Advisory) levels on Wednesday with the next low pressure and associated cold front to approach. Hydrology No hydrologic impacts expected attm. NOAA New York NY Office: Watches - Warnings - Advisories CT...None. NY...None. NJ...None. Marine Small Craft Advisory until 6pm EDT this evening for ANZ350- 353-355. |
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