Marshfield, VT Marine Weather and Tide Forecast

Marine Weather and Tide Forecast for Marshfield, VT

April 19, 2024 6:35 PM EDT (22:35 UTC) Change Location
Sunrise 5:58 AM   Sunset 7:44 PM
Moonrise 3:29 PM   Moonset 4:28 AM 
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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.

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7 Day Forecast for Marine Location Near Marshfield, VT
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Area Discussion for - Burlington, VT
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Area Forecast Discussion National Weather Service Burlington VT 346 PM EDT Fri Apr 19 2024

Scattered showers and breezy conditions will continue this evening into Saturday. Although Sunday and Monday will trend drier, it will be unseasonably cool, especially Monday. Temperatures will begin to moderate on Tuesday, with rain chances increasing over the middle of the week.

As of 344 PM EDT Friday...A weakening occluded front is currently sliding east. Some sprinkles are making it to the ground here in the northern Champlain Valley, but the bulk of precipitation resides in northern New York. Overall, still not looking at much in terms of amounts at about 0.10" or less, and generally favoring northern New York. Temperatures are just slightly below season normals across the region, with 50s and even some spot 40s. Winds have been breezy, although not gusting too much. Later this evening, a low-level jet will maximize over the area, channeled mainly across the Champlain Valley. About 6 PM to 10 PM, we could see some brief 30 to 40 mph gusts along Lake Champlain, before trending back down to the 15 to 25 mph it has been most of the day.

Negative thickness advection and the upper trough pivot into the region overnight. Along the boundary, there could be a brief resurgence of precipitation from the southwest that will generally stream along the Connecticut River Valley, but some guidance has some light rain making it as far north as the northern Champlain Valley. Overall, additional precipitation should again be light.
Abundant clouds and south flow will keep temperatures warm overnight, with mid 30s to mid 40s.

On Saturday, we're still poised for a very strong upper trough to pull some moisture off Lake Ontario to produce conditional instability across the region. Model progged CAPE of 150 to 250 J/kg with steep lapse rates should produce scattered showers, especially across the St. Lawrence Valley and northern Vermont. Low-level conditions will be dry, and showers could drive gusty winds up to 35 mph to the surface, while background flow remains about 15 to 25 mph. With such cold temperatures aloft and potential for evaporative cooling, some of these showers will produce pea sized hail or graupel. The greatest concentration of activity will be over northern New York and far northern Vermont, which will lead to cooler high temperatures in the mid 40s to around 50. In the lower Champlain Valley and Connecticut River Valley, fewer showers should allow temperatures to warm into the mid to upper 50s. Shower activity will decline after sunset and the vort max shifting east overnight. Despite lack of clearing, the cold advection should drive temperatures just below seasonal normals, with mid 20s to mid 30s.

As of 344 PM EDT Friday...A couple of waves will be moving through Sunday and Sunday night. The first will be weak since best forcing remains in northeastern Canada; potential for isolated showers will be limited mainly to locations towards the Canadian border. More notably, the pressure gradient will be tightening through the day supporting increasing winds as a sharper front moves through overnight. Southwest gusts 20 to 35 mph will be possible late afternoon through the evening. The sharper cold front overnight will be mostly dry for central/southern Vermont and Essex County of New York, but will bring 10-40% chances of low elevation rain showers and snow showers for elevations above 1800 feet. Cold air advection will be ample with overnight lows dipping below freezing into the 20s for the Adirondacks/northeaster Vermont and upper 20s/low 30s elsewhere. As such, wind chills will be in the teens to 20s; quite a departure from recent relative warmth.

As of 344 PM EDT Friday...Model guidance continues to favor a progressive upper level pattern with passing ridge/troughs swinging temperatures widely. Portrayal of the mid week low continues to show robust development with strong warm air advection on Tuesday, potentially into the mid/upper 60s, followed by widespread freezing overnight lows Wednesday and Thursday nights. While below seasonal averages, the anomalies for temperatures are generally around to less than 1 standard deviation which is not obscenely unusual for this time of year. The projected evolution of the low suggests potential for gusty winds associated with a strong low level jet which should be sufficient for gusts 20- 30 mph for most spots with channeled areas approaching 40mph. Fortunately, the upper pattern remains progressive enough to keep widespread heavy rainfall chances limited - still estimated to be generally less than 0.5"; can't rule out some thunderstorms ahead of the frontal boundary, but those details will become better known over the next 24 hours when we move into mesoscale model time windows. With the low exiting by Friday, shower chances will diminish except some lingering upslope showers remaining possible. Heights will be rising, however, so temperatures should be trending back towards seasonal averages.

Through 18Z Saturday...Currently VFR flight conditions with showers beginning to shift east into the region. Most precipitation is expected to be light with little impact to visibility, but with some 1500-3000 ft agl ceilings. Some lingering showers will be possible in Vermont overnight, and with lower ceilings potentially lingering through 12z in Vermont impacting KRUT the most. South to southwest flow will remain elevated through about 03z at 7 to 15 knots sustained with gusts 18 to 25 knots. There still could be pockets of LLWS with pockets of 45 to 50 knot winds at 2000 ft agl, with potential impacts mainly possible over KMSS, KSLK, KPBG, and KEFK. After 03z, surface winds trend to 4 to 8 knots and make a steady transition to westerly winds, but may be sharper at KRUT.
Ceilings beyond 12z will remain mainly at or above 5000 feet with showers developing in the afternoon. Activity should initiate first near KMSS about 15z, and spread east beyond 18z Saturday.


Saturday Night: VFR. NO SIG WX.
Sunday: VFR. NO SIG WX.
Sunday Night: VFR. Slight chance SHRA.
Monday: VFR. NO SIG WX.
Monday Night: VFR. NO SIG WX.
Tuesday: VFR. Chance SHRA.
Tuesday Night: Mainly VFR, with local MVFR possible. Likely SHRA.
Wednesday: Mainly MVFR, with local VFR possible. Likely SHRA.


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KMPV EDWARD F KNAPP STATE,VT 18 sm44 minS 15G2710 smOvercast55°F36°F47%29.94
KCDA CALEDONIA COUNTY,VT 20 sm20 minESE 1410 smOvercast54°F36°F50%29.92
KMVL MORRISVILLESTOWE STATE,VT 21 sm41 minS 18G2710 smOvercast55°F37°F51%29.87
Link to 5 minute data for K1V4

Wind History from 1V4
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GEOS Local Image of north east   

Burlington, VT,

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