Long Island Sound West of New Haven CT / Port Jefferson NY Marine Forecast
| Rest Of Today...E Winds Around 10 Kt. Seas Around 1 Ft. Wave Detail: E 1 Ft At 4 Seconds. Showers Likely. |
| Tonight...Ne Winds 5 To 10 Kt, Becoming Nw After Midnight. Seas 1 Ft Or Less. Wave Detail: E 1 Ft At 4 Seconds. Chance Of Showers This Evening. |
| Mon...W Winds 10 To 15 Kt, Becoming Nw 15 To 20 Kt With Gusts Up To 25 Kt In The Afternoon. Seas Around 2 Ft. Wave Detail: W 2 Ft At 3 Seconds And E 1 Ft At 3 Seconds. |
| Mon Night...Nw Winds 15 To 20 Kt With Gusts Up To 25 Kt. Seas 2 To 3 Ft. Wave Detail: Nw 2 Ft At 3 Seconds. |
| Tue...Nw Winds 10 To 15 Kt. Seas Around 2 Ft In The Morning, Then 1 Ft Or Less. Wave Detail: Nw 2 Ft At 3 Seconds, Becoming Nw 1 Ft At 2 Seconds. |
| Tue Night...W Winds 5 To 10 Kt. Seas 1 Ft Or Less. Wave Detail: W 1 Ft At 2 Seconds. |
| Wed...Sw Winds 5 To 10 Kt, Increasing To 10 To 15 Kt With Gusts Up To 20 Kt In The Afternoon. Seas 1 Ft Or Less, Then Around 2 Ft In The Afternoon. |
| Wed Night...Sw Winds 10 To 15 Kt With Gusts Up To 20 Kt. Seas Around 2 Ft. |
| Thu...Sw Winds 5 To 10 Kt. Seas 1 Ft Or Less. |
| Thu Night...W Winds 5 To 10 Kt. Seas 1 Ft Or Less. |
| Fri...W Winds 5 To 10 Kt. Seas 1 Ft Or Less. |
| Fri Night...W Winds Around 10 Kt. Seas 1 Ft Or Less. |
| Area Forecast Discussion National Weather Service New York NY 331pm EDT Sunday Oct 4 2026 .WHAT HAS CHANGED... Issued another Small Craft Advisory for all waters Monday into Mon night. Lowered temps Monday night and Tuesday night, with upper 30s and some patchy frost possible well inland both nights. .KEY MESSAGES... 1) No significant impacts expected with showers into this evening. 2) Dry thereafter with the coolest conditions Monday night into Wednesday. .KEY MESSAGE 1... Rain with a weak low off the Delmarva coast impacting mostly the NYC metro area up into western Long Island and parts of S CT should spread E into the rest of Long Island, with likely categorical Probability of Precipitation for this areas. North and west of there cut back on likely NBM Probability of Precipitation and have only a low chance for the rest of this afternoon for a few sprinkles and light showers moving NE into those areas. Rain should pull off to the E of NYC this evening and end by midnight throughout. Rainfall still appears be light, with generally a few hundredths of an inch north/west of NYC well inland to a tenth or two of an inch elsewhere. .KEY MESSAGE 2... High pressure dominates the weather pattern through the rest of the forecast period with dry weather expected. Monday will be a bit breezy as the high builds into the area and temperatures end up close to normal. The coolest airmass of this fall will advect into the area Monday night into Tuesday and then remain in place into Wednesday. Lows Monday night will fall to near 50 in NYC, the 40s most elsewhere, and the upper 30s well north/west with some patchy frost possible. Temps Tuesday night could fall to the upper 30s across a greater portion of the interior and in the Long Island Pine Barrens. High temps on Tue should only make it to the upper 50s across interior S CT and the lower 60s elsewhere. Temperatures will moderate closer to normal later this week, with temps a few degrees above normal expected on Thursday. Marine SCA (Small Craft Advisory) remains in effect for the ocean waters til 11pm for seas 5-6 ft. Another SCA (Small Craft Advisory) has been issued for all near shore waters Monday into Monday night for NW winds gusting to 25-30 kt (highest on the ocean) and ocean seas again reaching 5 ft. Gusts to 25 kt should linger into part of Tuesday morning on the ernmost waters. Relatively tranquil conditions expected thereafter through Fri. NOAA New York NY Office: Watches - Warnings - Advisories CT...None. NY...None. NJ...None. Marine Small Craft Advisory from 11am Monday to 8am EDT Tuesday for ANZ331-335-340-345-353-355. Small Craft Advisory from 11am Monday to 11am EDT Tuesday for ANZ332-350. Small Craft Advisory from 11am to 6pm EDT Monday for ANZ338. Small Craft Advisory until 11pm EDT this evening for ANZ350- 353-355. |
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