Sunrise 5:22 AM   Sunset 8:11 PM Moonrise 8:48 PM   Moonset 5:01 AM

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ANZ330 Long Island Sound East Of New Haven Ct/port Jefferson Ny- 600 Am Edt Tue Mar 30 2021
Today - E winds around 5 kt, becoming S late this morning and afternoon. Seas 1 ft or less. Tonight - S winds around 10 kt. Seas 1 to 2 ft. Wed - S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Chance of showers in the morning, then chance of rain in the afternoon. Wed night - S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Rain. Vsby 1 to 3 nm. Thu - W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Showers.Thu night - NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Fri - NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Fri night - NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Sat - W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Sat night - SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.

ANZ300 356 Am Edt Thu May 23 2024
Synopsis for the long island and connecticut coastal waters - A slow moving cold front will move through the area today and tonight, moving offshore early Friday morning. Weak high pressure builds in Friday and remains Friday night. High pressure moves over the region Saturday. A cold front moves through Sunday, moving back north as a warm front Monday. A cold front moves through Tuesday with dry conditions expected by mid-week.

FXUS61 KOKX 230849 AFDOKX

Area Forecast Discussion National Weather Service New York NY 449 AM EDT Thu May 23 2024

SYNOPSIS
A slow moving cold front will move through the area today and tonight, moving offshore early Friday morning. Weak high pressure builds in Friday and remains Friday night. High pressure moves over the region Saturday. A cold front moves through Sunday, moving back north as a warm front Monday. A cold front moves through Tuesday with dry conditions expected by mid-week.

NEAR TERM /UNTIL 6 PM THIS EVENING/
A slow moving cold front was across western upstate New York and extended into northwestern Pennsylvania and into northern Ohio, with a prefrontal trough across central Pennsylvania into western Virginia. This front was associated with a low over southeastern Canada that will move little through today as the front become more parallel to the low and mid level flow. A warm and humid airmass was in place ahead of the cold front, as dew points have increased into the lower and mid 60s. The area will become increasingly unstable early this morning as daytime heating begins. From central New Jersey through the lower Hudson Valley and into southwestern Connecticut surface based CAPE increases to 1000 to 1500 J/kg and instability lowers with the lifted index around -2. Lift with the front is rather weak, however a few isolated stronger thunderstorms will be possible.
And with low level lapse rates increasing with deeper mixing, and soundings developing inverted V, stronger, to marginally severe storms could produce strong and gusty winds, along with hail. The Storm Prediction Center has kept a marginal risk for severe weather today, with damaging winds and hail the primary threats. However, with the isolated nature of the storms, and the marginal risk have not included enhanced wording with the thunderstorms. The CAMs are indicating that the storms will be early in the day, and generally followed them for the probabilities. Then with the activity this morning, additional destabilization will be difficult later this afternoon and into early evening, and have lowered probabilities to slight chance and removed the mention of thunder.

SHORT TERM /6 PM THIS EVENING THROUGH FRIDAY NIGHT/
The cold front slowly moves to the south this evening through tonight and passes south Friday morning. Little precipitation is expected with the front after this evening, and will be mainly to the south, ahead of the front, so have gone with a dry forecast later this evening and through tonight. Ridging amplifies to the west tonight and the ridge moves slowly into the region Friday into Friday night as weak surface high pressure builds to the west.

LONG TERM /SATURDAY THROUGH WEDNESDAY/
Key points:

* Above normal temperatures on Sunday transition to near or slightly above normal Monday through Wednesday.

* Rather unsettled during this time frame with multiple fronts affecting the area.

Zonal flow aloft for Saturday, though there are some model differences with the potential for a weak cut off low over Virginia to head toward the region as advertised by the 00Z GFS. This low This low weakens into a trough as it moves toward the area late Saturday afternoon into Saturday night.

A cold front approaches later Saturday night and moves through Sunday morning, bringing a chance for light showers.

Strengthening low pressure over the western Great Lakes region heads northwest into Canada on Monday, sending the cold front that moved through on Sunday back north as a warm front. A period of unsettled weather is then expected from Monday through Monday night as the warm front, then cold front move through the region. A period of moderate to briefly heavy rain is possible Monday night in association with the cold frontal passage. However, given uncertainty this far out, did not mention in the forecast just yet.
The area looks to get dry slotted for Tuesday, cutting off precipitation, though condition could get breezy as the low continues to strengthen somewhere over the Great Lakes region or southern Canada, depending on the model. Dry conditions continue into Wednesday.

Above normal temperatures Sunday will trend closer to normal to slightly above normal for the remainder of the long term period.
Monday temperatures may be a couple of degrees to high if more in the way of clouds and rain occurs, as is advertised by the ECMWF and Canadian models.

AVIATION /08Z THURSDAY THROUGH MONDAY/
A cold front approaches tonight into Thursday pushing through Thursday night.

Outside of showers and thunderstorms for this morning into the early this afternoon, conditions are expected to be VFR, including eastern terminals where MVFR or lower conditions tonight now appear to be unlikely.

S to SSW winds tonight under 10 kt shift briefly shift to the WSW to W around 14Z today (western terminals) and 17Z Thursday(eastern terminals) as a pre- frontal trough moves through. Winds shift back to the S to SW in the afternoon before the passage of the cold front between 06Z Friday or thereafter.

Any gusts will be associated with thunderstorms, generally up to 20 kt. However, stronger thunderstorms will be associated with gusts of 30 to 40 kt, of which there is a low chance of this happening.

Showers and thunderstorms associated with the pre-frontal trough from west to east 13Z-17Z for western terminals and 15Z-19Z for eastern terminals. Brief MVFR conditions possible with these showers and thunderstorms.

...NY Metro (KEWR/KLGA/KJFK/KTEB) TAF Uncertainty...

No unscheduled Amendments expected through 10Z. Amendments may be needed towards this morning's push if thunderstorm activity arrives earlier than expected.

OUTLOOK FOR 06Z FRIDAY THROUGH MONDAY...

Thursday night: VFR expected. Low chance of MVFR or lower.

Friday: VFR.

Saturday: Chance of afternoon/evening showers and possibly a tstm, with MVFR cond possible.

Sunday: Mainly VFR.

Monday: Chance of showers and possibly a tstm, with MVFR cond possible.

Detailed information, including hourly TAF wind component forecasts, can be found at: https:/ www.weather.gov/zny/n90

MARINE
Sub-SCA conditions are expected across the forecast waters today through Monday night.

HYDROLOGY
No hydrologic impacts are expected today with rainfall of 1/4 to 1/2 inch, with locally higher amounts possible in heavy rain with thunderstorms.

No hydrologic impacts are expected tonight through the middle of next week.

OKX WATCHES/WARNINGS/ADVISORIES
CT...None.
NY...None.
NJ...None.
MARINE...None.

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