Moriches Inlet NY to Montauk Point NY out 20 NM Marine Forecast
| Today...Ne Winds 10 To 15 Kt, Diminishing To 5 To 10 Kt This Afternoon. Seas 2 To 3 Ft. Wave Detail: E 2 Ft At 4 Seconds And E 2 Ft At 8 Seconds. Slight Chance Of Showers Until Late Afternoon. |
| Tonight...Nw Winds 5 To 10 Kt. Seas 2 To 3 Ft. Wave Detail: E 2 Ft At 5 Seconds And E 2 Ft At 8 Seconds. |
| Mon...Nw Winds 5 To 10 Kt. Seas 2 To 3 Ft. Wave Detail: E 2 Ft At 9 Seconds And N 1 Ft At 2 Seconds. |
| Mon Night...W Winds 5 To 10 Kt. Seas Around 2 Ft. Wave Detail: E 2 Ft At 9 Seconds And W 1 Ft At 3 Seconds. |
| Tue...W Winds 5 To 10 Kt. Seas Around 2 Ft. Wave Detail: W 1 Ft At 3 Seconds And E 1 Ft At 9 Seconds. |
| Tue Night...Sw Winds 5 To 10 Kt. Seas Around 2 Ft. Wave Detail: Sw 1 Ft At 3 Seconds And E 1 Ft At 9 Seconds. |
| Wed...Sw Winds 15 To 20 Kt With Gusts Up To 25 Kt. Seas 2 To 4 Ft, Occasionally To 5 Ft. |
| Wed Night...Sw Winds 25 To 30 Kt. Seas 5 To 7 Ft, Occasionally To 9 Ft. Chance Of Showers. |
| Thu...Sw Winds 20 To 25 Kt With Gusts Up To 35 Kt. Seas 6 To 9 Ft, Occasionally To 11 Ft. |
| Thu Night...W Winds 10 To 15 Kt With Gusts Up To 25 Kt. Seas 4 To 5 Ft, Occasionally To 6 Ft. |
| Area Forecast Discussion National Weather Service New York NY 443am EDT Sunday September 6 2026 .WHAT HAS CHANGED... No significant changes since the previous update. .KEY MESSAGES... 1) Isolated minor flooding expected this afternoon for Southern Nassau County with limited impacts. 2) Cooler today with a lingering chance for a few brief rain showers. 3) Drier and warming back up through midweek, before a cold front moves through on Thursday. .KEY MESSAGE 1... Onshore winds with an E to SE swell this afternoon are expected to contribute to isolated instances of tides touching minor flooding benchmarks. This appears to be limited to along the south shore back bays of Southern Nassau County, and only brief minor flooding across the typically more vulnerable locations is anticipated. No flooding is expected anywhere across the forecast area for Monday. .KEY MESSAGE 2... Upper low continues to meander over the Canadian Maritimes, gradually shifting out to sea through Labor Day. Meanwhile, surface high pressure builds south from Canada into midweek. Today offers a taste of early autumn, with noticeably cooler conditions than recent days. H850 temps have fallen to 8-10C and afternoon highs are forecast in the low to mid 70s; about 5 to 10 degrees below normal for the time of year. Humidity remains down with dew pts in the 50s this afternoon, allowing a comfortable feel to the air. Expect more clouds than sun much of the day with steep low level lapse rates from the cold pool(a region of relatively cold air) aloft and cyclonic flow. A few isolated to widely scattered showers remain possible much of the day as weak shortwaves rotate around the closed low trough. Best chances of seeing this remain across S CT, though a brief spotty shower is possible throughout the forecast area. The bulk of the day remains dry and not everyone will see wet weather. .KEY MESSAGE 3... Drier, warmer conditions are expected over the next several days with high pressure building in as the upper trough works into the western Atlantic. Labor Day morning starts cool and crisp, with upper 40s possible in the coldest locales, mainly far interior and LI Pine Barrens, and 50s elsewhere. Continue to blend in colder MAV/MET data given the potential for efficient radiative cooling that is often not fully captured in the national blend. Temperatures rebound into the 70s to around 80 Monday afternoon, with sunshine and low humidity expected. The dry weather persists through midweek as heigheights build from the west. This sets up a gradual warming trend, with NYC and much of NE NJ into the mid 80s by Wednesday. Cold front approaches Wednesday night into Thursday, bringing the next widespread chance for rain. It's still a bit early to delve too deeply into the details, but an axis of deep moisture looks to advect in ahead of the boundary that could allow for heavy rainfall. The trend with the frontal passage continues to be more progressive though, and high pressure follows by Friday, with cooler air advecting in to end the week. Marine Winds and seas are expected to remain below Small Craft Advisory criteria through Tuesday. Thereafter, SW winds increase ahead of an approaching frontal system. Wind gusts on the coastal waters may begin to exceed SCA (Small Craft Advisory) criteria (25 kt) Wednesday afternoon, which likely then continues through Thursday. Gale conditions are possible during this time, particularly on the ocean. Ocean seas build to 5-9 ft. Winds and seas gradually subside into Thursday night. Rip Currents A lack of significant wind or swell will lead to a low rip current risk through at least Labor Day. NOAA New York NY Office: Watches - Warnings - Advisories CT...None. NY...None. NJ...None. Marine None. |
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