Sunday, April18, 2021
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Marine Weather and Tides
Port Henry, NY

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1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:01AMSunset 7:42PM Sunday April 18, 2021 5:10 PM EDT (21:10 UTC) Moonrise 9:58AMMoonset 1:18AM Illumination 44% Phase: First Quarter Moon; Moon at 7 days in cycle
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.
Marine Forecasts
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7 Day Forecast for Marine Location Near Port Henry, NY
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location: 44.03, -73.44     debug


Area Discussion for - Burlington, VT
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FXUS61 KBTV 181959 AFDBTV

Area Forecast Discussion National Weather Service Burlington VT 359 PM EDT Sun Apr 18 2021

SYNOPSIS. Several opportunities for light precipitation for the rest of today into tomorrow from scattered showers and a thunderstorm or two. Temperatures are above normal tomorrow into Wednesday. A stronger weather system will traverse the North Country Wednesday into Wednesday night, with more widespread precipitation. Temperatures trend below normal by Thursday on with brisk northwest winds developing. Relatively quiet weather conditions emerge for the weekend.

NEAR TERM /THROUGH MONDAY NIGHT/. As of 354 PM EDT Sunday . The next 36 hours are filled with opportunities for periodic, isolated showers, which we'll take because we sorely need any rain we can get.

At this time, showers stretch from Ottawa, Canada southeastwards towards Ticonderoga, New York and are beginning to shift into western Rutland and Addison Counties. Periodically, some stronger cells have developed and produced lightning, and based on a CoCoRaHS report from Saranac Lake and near Gouverneur Station, some pea sized hail. This activity will be most active the next couple hours until the sun begins to fall, and diurnal instability with it. Nevertheless, high-res guidance suggests that the low-level trough across northern New York tightens up overnight. As a result, convective showers may not completely die out overnight, and increased PoPs across the International Border, especially. Otherwise, in Southern Vermont, and perhaps some hollows of the Adirondacks, we could see brief fog develop if clouds are able to scour out. Crossover temperatures are in the mid 30s, and forecast lows in fog prone areas look to easily make those thresholds. Thereafter, clouds and increasing southerly flow will dissipate fog.

On Monday, another subtle shortwave ripple slides into the forecast area as temperatures warm into the upper 50s to lower 60s. This time, convection should focus across the Champlain Valley and eastern Vermont. Based on the lightning we've received today, the better lapse rates and better instability (approaching 250-350 J/kg), it seems probable isolated storms capable of pea sized hail. The ridge axis noses in by evening, with activity shifting east and drying taking place late Monday evening. By the overnight hours, a sharp cold front will approach the region. The low track is well to our north, and the poor time of day and addition of terrain shadowing with accelerating southwesterly low level flow will keep much of the activity confined to the International Border. Temperatures a bit warmer overnight, with mid 30s in cold hollows, upper 30s east of the Greens, and low to mid 40s in the Champlain and St. Lawrence Valley.

SHORT TERM /TUESDAY THROUGH TUESDAY NIGHT/. As of 354 PM EDT Sunday . Tuesday morning a cold front will be moving through the region with any light rain showers tapering off Tuesday morning. Most of the moisture is at mid and upper levels, so lots of clouds are expected but there is very little forcing for ascent to drive any significant precipitation. Not much in the way of low level convergence or upper level divergence and height start rising through the day. The front becomes parallel to the flow as it looses steam and becomes quasi- stationary in southern New England south of VT Tuesday evening. High temps mainly in the 50s.

The front begins to move northward once again as a warm front by early Wednesday morning with strong warm advection starting ahead of a deepening upper level trof and surface low taking shape near PIT. Precipitation is expected to break out north of the warm front in the form of light rain and snow with a coating possible at higher elevations especially in the Adirondacks. Lows in the upper 20s to upper 30s.

LONG TERM /WEDNESDAY THROUGH SUNDAY/. As of 354 PM EDT Sunday . The main story in the long term is the deepening of the upper level trof over the Great Lakes on Wednesday that closes off as it moves across northern NY and VT Wednesday night into Thursday. Strong dynamics associated with this system will result in a rather vigorous surface low and cold front which develop in the Ohio Valley and track across our area on Wednesday. The jury is still out on the exact track of the surface low, though the trend is a bit further south with the GFS solution jumping quite a bit south. The low track will play a pivotal role with where the warm and cold fronts are located along with the associated 20 degree temperature gradient. This will also play into the precipitation type. These are not set in stone yet. Continuing the idea that any snow north of the low track mixes with or changes to rain during Wed as the low moves by then a gradual mix/change back to snow from west to east Wed eve/night. The overall trend like another pretty good shot of precip with generally half inch to an inch expected. The chance of thunder is not zero either but right now looks confined to our south and west. It does cool off significantly behind the low, so a change to snow showers especially over higher terrain with good upslope flow Wed night into Thursday with several inches of snow possible, but too early to get into specific amounts. Still a chance of showers remains on Friday but temperatures will moderate steadily into Saturday as the upper low moves away. Yet another trof approaches next Sunday with a chance of showers.

AVIATION /20Z SUNDAY THROUGH FRIDAY/. Through 18Z Monday . Mainly VFR conditions with localized pockets of 2500 ft agl ceilings. Scattered rain showers are developing over northern New York, which are small in size, but covering a modest area. Intermittent showers possible at KMSS KRUT, and then most likely at KSLK through 00Z. Scattered showers transition towards KPBG and KBTV from 00Z to 03Z, and then dissipate. Around 03Z to 10Z, could be some patchy fog at KMPV, KSLK, and KRUT where clouds may scatter out. Otherwise, northwest winds become light and variable with ceilings remaining 2500-3500 ft agl. After 12Z, ceilings should lift and fog should dissipate. Scattered showers develop again after 15Z Monday.

Outlook .

Monday Night: VFR. Slight chance SHRA. Tuesday: VFR. Slight chance SHRA. Tuesday Night: VFR. Chance SHSN, Slight chance SHRA. Wednesday: Mainly VFR, with areas MVFR possible. Definite RA, Chance SHRA. Wednesday Night: Mainly MVFR, with local VFR possible. Likely RA, Chance SHRA, Chance SHSN. Thursday: Mainly MVFR, with areas VFR possible. Chance SHRA, Chance SHSN. Thursday Night: Mainly VFR, with areas MVFR possible. Chance SHSN, Slight chance SHRA. Friday: Mainly VFR, with areas MVFR possible. Slight chance SHRA.

BTV WATCHES/WARNINGS/ADVISORIES. VT . None. NY . None.

SYNOPSIS . Haynes NEAR TERM . Haynes SHORT TERM . Sisson LONG TERM . Sisson AVIATION . Haynes


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burlington, Burlington International Airport, VT35 mi77 minWNW 710.00 miA Few Clouds55°F35°F47%1008 hPa

Link to 5 minute data for KBTV

Wind History from BTV (wind in knots)
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Last 24hrN9N6N6N5NW4E4W3CalmCalmSE3CalmSE3CalmCalmS3S4S6SW4W64W8W63W7
1 day agoN7N5N7N6N6NW7N7N7N6N7N8N6N5N4N6N6N5NW10N10N11N11N11N12
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2 days agoSE8SE10SE6S6SE4S7S8SE9SE4S3CalmS7SE8E3N4NE5--NE7NE8NE9N7N9N8N7

Tide / Current Tables for Troy, Hudson River, New York
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Troy
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Sun -- 01:13 AM EDT     Moonset
Sun -- 04:43 AM EDT     0.89 feet Low Tide
Sun -- 06:08 AM EDT     Sunrise
Sun -- 10:04 AM EDT     Moonrise
Sun -- 10:16 AM EDT     5.55 feet High Tide
Sun -- 05:34 PM EDT     0.90 feet Low Tide
Sun -- 07:40 PM EDT     Sunset
Sun -- 10:43 PM EDT     4.35 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.32.31.61.310.91.634.45.25.55.44.73.62.72.11.6111.833.84.34.3

Tide / Current Tables for Albany, New York
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Albany
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Sun -- 01:13 AM EDT     Moonset
Sun -- 04:33 AM EDT     0.89 feet Low Tide
Sun -- 06:08 AM EDT     Sunrise
Sun -- 10:04 AM EDT     Moonrise
Sun -- 10:08 AM EDT     5.55 feet High Tide
Sun -- 05:24 PM EDT     0.90 feet Low Tide
Sun -- 07:40 PM EDT     Sunset
Sun -- 10:35 PM EDT     4.35 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.12.21.61.3111.83.24.55.35.55.44.63.52.521.511.123.13.94.34.3

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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