East Hampton, NY Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for East Hampton, NY


December 9, 2023 6:43 PM EST (23:43 UTC)
Sunrise 7:02AM   Sunset 4:25PM   Moonrise  4:23AM   Moonset 3:00PM 

NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION. Privacy and Cookie policy

Marine Forecasts
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ANZ350 Moriches Inlet Ny To Montauk Point Ny Out 20 Nm- 432 Pm Est Sat Dec 9 2023
.storm watch in effect from Sunday afternoon through late Sunday night...
Tonight..S winds 5 to 10 kt. Seas around 2 ft.
Sun..S winds 15 to 20 kt with gusts up to 25 kt, increasing to 25 to 30 kt in the afternoon. Gusts up to 50 kt late. Seas 2 to 4 ft, building to 5 to 8 ft in the afternoon. Rain. Vsby 1 to 3 nm in the afternoon.
Sun night..S winds 30 to 35 kt with gusts up to 50 kt. Seas 9 to 14 ft, building to 13 to 16 ft after midnight. Rain in the evening, then rain and slight chance of tstms after midnight. Vsby 1 to 3 nm.
Mon..W winds 25 to 30 kt. Gusts up to 50 kt early. Seas 10 to 15 ft, subsiding to 10 to 12 ft in the afternoon. Rain likely in the morning.
Mon night..W winds 25 to 30 kt, diminishing to 20 to 25 kt after midnight. Seas 10 to 12 ft, subsiding to 8 to 11 ft after midnight.
Tue..W winds 10 to 15 kt with gusts up to 25 kt. Seas 6 to 8 ft.
Tue night..W winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 7 ft.
Wed..W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft.
Wed night..NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft.
winds and seas may be higher in and near tstms.

ANZ300 432 Pm Est Sat Dec 9 2023
Synopsis for the long island and connecticut coastal waters.. High pressure over the western atlantic will continue to gradually move eastward, while a strengthening frontal system over the mid section of the country tracks east. A strong cold frontal passage will occur late Sunday night into Monday morning, with low pressure deepening along it as it tracks into canada on Monday. A broad area of high pressure then builds in through the rest of next week.


7 Day Forecast for Marine Location Near East Hampton, NY
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Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 092126 AFDOKX

Area Forecast Discussion National Weather Service New York NY 426 PM EST Sat Dec 9 2023

SYNOPSIS
High pressure over the western Atlantic will continue to gradually move eastward, while a strengthening frontal system over the mid section of the country tracks east. A strong cold frontal passage will occur late Sunday night into Monday morning, with low pressure deepening along it as it tracks into Canada on Monday. Strong high pressure to the south on Tuesday will flatten out, allowing a cold front to approach Tuesday night and pass through late Tuesday night or Wednesday morning. Another strong high will them build from the west for later in the week, then shift off the New England coast Saturday night.

NEAR TERM /UNTIL 6 AM SUNDAY MORNING/
A warm front will be nearby this evening and shift north through the night. Increasing clouds with patchy fog developing. Isentropic lift with increasing low level moisture may result in some light rain forming in a few spots during the overnight hours. Lows above normal due to the cloud cover and weak warm advection.

SHORT TERM /6 AM SUNDAY MORNING THROUGH MONDAY/
A 500mb trough digs in to our west on Sunday, then lifts during the day Monday with its axis shifting through the forecast area Monday evening. At the surface, a strong cold front approaches us on Sunday and passes through during Sunday night. While it's passing through, an area of low pressure develops along the front, passing through or nearby the forecast area before rapidly deepening to our NE.

Rain chances ramp up through the day with the entire forecast area likely seeing rain by the end of the afternoon. The rain could be heavy at times as early as the afternoon as per latest CAMs reflectivity, with this potential lasting into the night. The heavy rain potential comes from a developing strong low level jet combining with deep synoptic lift aloft and an anomalously moist air mass. Some models continue to show some elevated instability, so with deep lift, will keep in an isolated thunderstorm in the forecast. Models continue to favor eastern areas for the higher total rain amounts, as the llj will be stronger here, and forcing/convergence near the deepening low center will be passing through or nearby. Further enhancement may occur in parts of CT due to speed convergence on a southerly flow. The flood watch has been extended to include eastern Suffolk County as the trend for heavier rain totals remains focused more over eastern sections. See the hydrology section below for more details.

Regarding winds for this event, for several days now, 925mb winds continue to be progged reach 60-80kt over roughly the eastern half of the forecast area Sunday night. Even by late afternoon, they're progged at 50-60kt. There will be a low level inversion, but not particularly strong. Especially with the threat of convectively enhanced downpours and models showing 50-60kt winds below the inversion at 1000ft, there is an increased threat of seeing wind gusts reaching high wind warning thresholds in some areas. Thinking about 60-70% of the 925mb jet could mix down. Complicating this is that there could be a couple hours of a lull in the winds as low pressure takes shape along the developing low nearby or just off to our south. There could be a pretty sharp east to west gradient where winds could get to at least wind advisory criteria. There also could be a timing offset on when the potential convective downpours could occur with the strongest winds aloft. Therefore do not have the confidence at this time to upgrade to a high wind warning for the zones currently under a watch. There is a possibility that the threat will be more focused over Long Island, and not so much for Brooklyn and Queens. Will however maintain the watch for the time being. However, after collaboration with WFO BOX, have enough confidence to go with a wind advisory along portions of the CT Coast.

Rain chances continue into Monday even behind the front as the flow aloft remains cyclonic and we'll be within the right entrance region of an upper jet streak. Some cold air wraps in behind the front, and may cause a mix of rain and snow well NW of the city in the morning.
Little to no snow accumulation expected. Remaining breezy through the day as we dry out for the afternoon. Highs generally in the 40s.

LONG TERM /MONDAY NIGHT THROUGH SATURDAY/
Quasi-zonal flow aloft in the wake of one departing trough on Tue will give way to another northern stream trough on Wednesday, which should drive a cold front through either late Tuesday night or Wednesday morning. Confluent mid level flow after this trough passage, followed by ridging aloft Fri-Sat, will then maintain strong sfc high pressure over the area, with perhaps a weak intervening cold frontal passage Friday night. A storm system to the west should hold off until just after the forecast period, with some increase in high/mid cloud cover Sat into Sat night.

Forecast follows the NBM for the most part given close enough NWP model guidance agreement during this time frame, with only minor adjustments. Fair wx should prevail through the period, with only slight chance (20%) PoP for late Sat night. Near normal temps Tue- Wed, and a little below normal Wed night-Thu after the cold frontal passage, should moderate to a few degrees above normal Fri-Sat via ridging sfc and aloft.

AVIATION /22Z SATURDAY THROUGH THURSDAY/
High pressure moves offshore and away from the area tonight, while a strengthening frontal system over the Ohio and Tennessee valleys tracks east during the course of the weekend.

VFR at most terminals, with the exception of KGON at times this evening. Then by late tonight after 6z MVFR/IFR conditions are expected to return with the approach of the frontal system. SHRA chances start to increase towards and just after 10z Sunday.

Light flow mainly out of the southeast and south this evening with wind speeds below 10 kt. The light southerly flow will begin to gradually increase throughout Sunday morning, especially at the coastal terminals.

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

Sub VFR conditions may return earlier than indicated in TAFs tonight.

OUTLOOK FOR 18Z SUNDAY THROUGH THURSDAY...

Sunday afternoon: IFR as steady rain moves in west to east. S winds 15-20 kt with gusts 25-30 kt in the afternoon, with gusts up to 35 kt late at coastal terminals. LLWS likely late in the afternoon for city and coastal terminals.

Sunday night: IFR, with rain heavy at times. Isolated thunderstorms possible. S winds 20-30 kt with gusts 25-45 kt, strongest near the coast. A few gusts up to 50 kt possible near the coast. LLWS likely early at eastern coastal terminals.

Monday: MVFR or lower early in showers, then VFR. W-WNW winds 15-20 kt with gusts 25-35 kt.

Tuesday: VFR. SW gusts 15-20 kt in the afternoon.

Wednesday: VFR. W to NW gusts 15-25 kt in the afternoon.

Thursday: VFR.

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

MARINE
Winds and seas should ramp up quickly during Sunday with small craft conditions quickly going to gales in all likelihood by late in the day/early evening. After collaboration with the surrounding offices, have maintained a Storm Watch where it has existed, but was confident enough to convert the Gale Watches to Gale Warnings. Gales are expected to continue through Monday, and possibly linger into Monday evening for these zones. Gales would also prevail elsewhere Monday into Monday night. Ocean seas are likely build to 10-16 feet during this time with waves over 5 ft across portions of eastern Long Island Sound.

Longer term, SCA cond expected for the most part. Hazardous ocean seas 5-8 ft Tue AM should subside to 4-6 ft by afternoon, then remain at those levels into at least Wed night. Meanwhile W flow gusting up to 25 kt on all waters Tue night, should shift NW by Wed morning after a cold frontal passage. Gusts could peak at 30 kt on the ocean Wed night. Lingering 25-kt gusts possible on the ocean and the open Sound waters into Thu.

HYDROLOGY
There are no hydrologic concerns through tonight.

Between 2 and 3 inches of rain is likely Sunday into Monday morning.
Locally higher amounts in excess of 3 inches are possible - potentially up to 4 inches in parts of southern Connecticut. A flood watch is in effect for the entire area. Widespread urban and poor drainage flooding is likely, with some areas of more significant flooding possible, including the flooding of some rivers and streams. Heavier downpours will be possible as early afternoon, but impacts are more likely later afternoon into the night.

TIDES/COASTAL FLOODING
A strong cold front will bring increasing southerly flow late Sunday into Sunday night. The system brings potential for minor coastal flooding with the Monday morning high tide cycle.
However, the strongest southerly flow is most likely to occur between high tide cycles. Winds will quickly shift to the west early Monday morning, which will help keep water levels down during times of high tide.

Surge guidance has come to more of a consensus that much of the area should remain below minor flooding thresholds, but any changes in the forecast timing of the developing low may result in significant changes to the coastal flooding forecast.

OKX WATCHES/WARNINGS/ADVISORIES
CT...Flood Watch from Sunday afternoon through late Sunday night for CTZ005>012.
Wind Advisory from 6 PM Sunday to 6 AM EST Monday for CTZ010>012.
NY...Flood Watch from Sunday afternoon through late Sunday night for NYZ067>075-078>081-176>179.
High Wind Watch from Sunday afternoon through late Sunday night for NYZ075-078>081-176>179.
NJ...Flood Watch from Sunday afternoon through late Sunday night for NJZ002-004-006-103>108.
MARINE...Gale Warning from 4 PM Sunday to 6 PM EST Monday for ANZ331- 335-338.
Storm Watch from Sunday afternoon through late Sunday night for ANZ332-340-345-350-353-355.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
MTKN6 - 8510560 - Montauk, NY 30 mi56 min 49°F 48°F30.11
LDLC3 - New London Ledge CT - Ledge Light Weather 49 mi29 min SE 6G6 51°F

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Wind History for No Ports station near this location
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg

Wind History from HTO
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Tide / Current for Promised Land, Napeague Bay, Long Island Sound, New York
   
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Promised Land
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Sat -- 12:09 AM EST     0.33 feet Low Tide
Sat -- 03:24 AM EST     Moonrise
Sat -- 06:06 AM EST     2.57 feet High Tide
Sat -- 07:01 AM EST     Sunrise
Sat -- 12:54 PM EST     0.15 feet Low Tide
Sat -- 02:00 PM EST     Moonset
Sat -- 04:19 PM EST     Sunset
Sat -- 06:31 PM EST     1.98 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Promised Land, Napeague Bay, Long Island Sound, New York, Tide feet
12
am
0.3
1
am
0.5
2
am
0.9
3
am
1.5
4
am
2
5
am
2.4
6
am
2.6
7
am
2.5
8
am
2.1
9
am
1.7
10
am
1.2
11
am
0.7
12
pm
0.3
1
pm
0.2
2
pm
0.4
3
pm
0.8
4
pm
1.3
5
pm
1.7
6
pm
1.9
7
pm
2
8
pm
1.7
9
pm
1.4
10
pm
1
11
pm
0.7



Tide / Current for Montauk, Fort Pond Bay, Long Island Sound, New York
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Montauk
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Sat -- 03:24 AM EST     Moonrise
Sat -- 06:05 AM EST     2.40 feet High Tide
Sat -- 07:00 AM EST     Sunrise
Sat -- 12:37 PM EST     0.20 feet Low Tide
Sat -- 01:59 PM EST     Moonset
Sat -- 04:19 PM EST     Sunset
Sat -- 06:21 PM EST     1.71 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Montauk, Fort Pond Bay, Long Island Sound, New York, Tide feet
12
am
0.4
1
am
0.7
2
am
1.1
3
am
1.5
4
am
1.9
5
am
2.2
6
am
2.4
7
am
2.3
8
am
1.9
9
am
1.5
10
am
1.1
11
am
0.6
12
pm
0.3
1
pm
0.2
2
pm
0.5
3
pm
0.8
4
pm
1.2
5
pm
1.5
6
pm
1.7
7
pm
1.7
8
pm
1.4
9
pm
1.1
10
pm
0.8
11
pm
0.5




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Upton, NY,



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