


Area Forecast Discussion
Issued by NWS Upton, NY
Issued by NWS Upton, NY
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372 FXUS61 KOKX 040230 AFDOKX Area Forecast Discussion National Weather Service New York NY 1030 PM EDT Sun Aug 3 2025 .SYNOPSIS... High pressure remains in control through next weekend. && .NEAR TERM /UNTIL 6 AM MONDAY MORNING/... High pressure will result in another cool night with light winds and mostly clear skies (minus haze/smoke aloft from western Canadian fires). Lows will generally be 3 to 5 degrees below normal, but even cooler across locations that radiate well, in particular the Pine Barrens region of Long Island. && .SHORT TERM /6 AM MONDAY MORNING THROUGH WEDNESDAY/... The upper trough will gradually lift out of eastern Canada this period, while heights/ridging build northward along the eastern seaboard. This will allow for warmer conditions and a bit of a bump in humidity. In addition, smoke from Canadian wildfires, most pronounced across the Great Lakes and eastern Canada will settle south tonight and into the area Monday (per the 12Z HRRR). Both vertically integrated smoke and near surface smoke concentrations will increase late tonight into Monday afternoon. Model visibilities are not showing much in the way of visibility restrictions. For the time, will mention haze across the area Monday. This will be closely monitored and would not be surprised if state DECs issues an air quality alerts for Monday. Beyond Monday, the smoke may lift back to the north due to the aforementioned height rises along the east coast. As for temperatures, highs both Monday and Tuesday will be in the 80s, a few degrees above normal. There may even be a spotty 90 across metro NJ. Lows will be in 60s to around 70, highest across the NYC metro. An anticipated increase in cloud cover Tuesday night into Wednesday and an easterly flow (due to strengthening high pressure to the north), will keep highs a few degrees cooler. && .LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/... ***Key Points*** The NBM was largely followed with this update with no major changes. Key Points: * Dry conditions are expected through next weekend with high pressure in control * Seasonable temperatures through the period with highs in the 80s. Humidity levels will creep up a bit, but are not expected to be excessive during this time frame. A decent stretch of sensible weather is in store for the extended as global models and their respective ensembles advertise a building upper ridge and high pressure at the surface much of the period. && .AVIATION /03Z MONDAY THROUGH FRIDAY/... High pressure remains over the region through Monday night. VFR. There is an increased potential for MVFR vsbys in smoke during the day Monday, and possibly into the early evening especially across the inland areas. With increased confidence have now included MVFR vsbys in smoke at all the terminals with the 18Z HRRR indicating a higher concentration of smoke moving into the area. If smoke does occur, terminals that get a seabreeze would likely improve back to VFR during Monday afternoon. Light and variable to calm winds continue through the overnight and into early Monday morning across the region. Winds become light northerly in the morning with sea breezes developing midday into the afternoon. NY Metro (KEWR/KLGA/KJFK/KTEB) TAF Uncertainty... Wind shift/sea breeze timing may be off by an hour or so Monday. Uncertainty with how smoke will affect vsbys on Monday, with the potential for MVFR, but likely not below that. .OUTLOOK FOR 00Z TUESDAY THROUGH FRIDAY... Monday night: Generally VFR. There may be MVFR vsby restrictions in smoke early in the evening, especially at KSWF. Tuesday-Friday: VFR. Detailed information, including hourly TAF wind component forecasts, can be found at: https:/www.weather.gov/zny/n90 && .MARINE... Sub-SCA conditions are on tap through Wednesday. An easterly swell will gradually build through the period with seas building to around 4 ft on Wednesday and 5 ft Wednesday night. Seas are forecast to remain around 5 ft through Friday, but this will depend on the magnitude and location of low pressure well off the Mid Atlantic coast. && .HYDROLOGY... There are no hydrologic concerns through next weekend. && .TIDES/COASTAL FLOODING... The pressure gradient remains weak for Monday. However, the pressure gradient does steepen a bit for Tuesday with low pressure well out in the Atlantic and a strengthening high pressure area moving across the Canadian Maritimes. For Monday, light and variable winds become more southerly along the coast in the afternoon. For Tuesday, more consistent slowly increasing east to southeast winds are forecast. The onshore fetch increases Tuesday. Lower waves, near 1 to 2 ft, and light winds keep a low rip current risk for the ocean beaches through Monday. The easterly winds Tuesday could very well reach up to around 10 kt in the afternoon and with the developing fetch and slightly building waves, to near 3 ft, the rip current risk is moderate for the ocean beaches Tuesday. && .OKX WATCHES/WARNINGS/ADVISORIES... CT...None. NY...Air Quality Alert until midnight EDT Monday night for NYZ067>075-176-178. NJ...None. MARINE...None. && $$ SYNOPSIS...JP/DW NEAR TERM...DW SHORT TERM...DW LONG TERM...JP AVIATION...MET MARINE...JP/DW HYDROLOGY...JP/DW TIDES/COASTAL FLOODING...