Popponesset, MA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Popponesset, MA

May 14, 2024 9:59 PM EDT (01:59 UTC) Change Location
Sunrise 5:20 AM   Sunset 7:54 PM
Moonrise 11:07 AM   Moonset 1:30 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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Marine Forecasts
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ANZ232 Nantucket Sound- 730 Pm Edt Tue May 14 2024

Rest of tonight - SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt. Seas around 2 ft. Wave detail: sw 2 ft at 3 seconds and E 1 foot at 8 seconds. Patchy fog with vsby 1 to 3 nm.

Wed - S winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Wave detail: S 1 foot at 4 seconds and E 1 foot at 8 seconds, becoming S 1 foot at 3 seconds and E 1 foot at 7 seconds. Patchy fog in the morning with vsby 1 nm or less.

Wed night - SE winds around 5 kt, becoming E 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave detail: E 2 ft at 7 seconds and S 2 ft at 10 seconds. Patchy fog after midnight. A chance of showers after midnight.

Thu - E winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: se 3 ft at 4 seconds and S 2 ft at 10 seconds. Showers likely. Patchy fog in the morning.

Thu night - NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave detail: E 3 ft at 4 seconds and S 2 ft at 9 seconds. A chance of showers.

Fri and Fri night - NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: E 3 ft at 5 seconds and S 2 ft at 9 seconds.

Sat through Sun night - NE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

ANZ200 730 Pm Edt Tue May 14 2024

Synopsis for massachusetts and rhode island coastal waters -
high pres off the mid atlc seaboard will maintain modest ssw wind through Wed. A low pres should move E from the mid atlc coast Wed night into Thu, shifting winds to the se to E across the waters. This low pres slowly moves farther out to sea through Sat. Weak high pres expected across the waters for Sun.


7 Day Forecast for Marine Location Near Popponesset, MA
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Area Discussion for - Boston, MA
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FXUS61 KBOX 142308 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 708 PM EDT Tue May 14 2024

SYNOPSIS

High pressure offshore provides mild conditions and mainly dry weather tonight and Wednesday. Although, can't rule out a few brief showers at any given time, especially across CT and western-central MA. Low pressure passing to our south will likely result in a period of showers for the first half of Thursday...at least south of the Massachusetts Turnpike.
Otherwise...dry weather should dominate Friday through the weekend other than a spot shower or two. Temperatures will average below normal especially along the immediate coast with onshore flow Thursday through the weekend...but a warming trend is expected early next week.

NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/

7 PM Update...

* Increasing clouds & mild overnight with lows in the 50s * A few showers possible toward daybreak in western MA/CT

Lingering upper level ridging across southern New England has kept the scattered diurnal showers to our north and west today.
This ridging will gradually slide further east tonight allowing for increasing mid-high level cloudiness to overspread the region from shortwave energy across the Ohio Valley.
Still expect dry weather to generally prevail...but warm advection will probably be enough for a few showers to develop toward daybreak across western MA/CT. Previous forecast handles this well in the next paragraph.

With sunset SSW winds will begin to diminish. Scattered showers over NYS will likely erode as the activity moves east into drier/more stable airmass over SNE. However, later tonight as closed low currently over TN/OH valley advects eastward, deepening moisture and forcing for ascent will increase somewhat, yielding a low risk for a few showers overnight across CT into western-central MA. Otherwise a dry and mild night ahead, with lows only in the 50s, above normal for mid May.

SHORT TERM /6 AM WEDNESDAY MORNING THROUGH WEDNESDAY NIGHT/

Wednesday...

Enough ridging may linger for a mostly dry day, especially across RI and eastern MA. A few showers possible across CT into western-central MA, where some differential heating across the hilly terrain may be in play. Otherwise, a mainly dry day with even be some sunshine Wed across RI and eastern MA, more clouds westward into CT and western/central MA. This partial sunshine will combine with warm temps aloft and yield highs 70-75, 60s along the coast where light onshore flow/seabreeze develops. Dew pts in the 50s will also provide a mild feel to the airmass.

Wednesday night...

Closed low southwest of New England begins to circulate deeper moisture and low level easterly jet into CT/RI and southeast MA. This is where the risk of rain is highest. Some uncertainty how far north this rain shield will pivot, as mid level low tracks ESE. Thus, rain shield may remain south of the Mass Pike.
Mild temps continue with lows in the 50s. Light south winds become east by Thu morning.

LONG TERM /THURSDAY THROUGH TUESDAY/

Key Points...

* Showers likely the first part of Thu at least south of I-90 * Highs Thu-Sun...55-65 on immediate coast & 65-75 distant interior * Mainly dry Fri/Sat/Sun...but clouds & a spot shower at times * Warming trend likely early next week

Details...

Thursday...

Low pressure will be passing south of the Benchmark on Thu. There is uncertainty with the northern extent of the rain shield especially given limited baroclinicity this time of year...it can often be quite challenging. Current thinking is that we probably will see a period of showers during the first part of Thu...at least to the south of I-90. Later shifts will need to make adjustments depending on model trends. Onshore flow will likely hold high temps in the upper 50s to the lower 60s on the immediate coast & 60s/near 70 further inland.

Friday/Saturday/Sunday...

High pressure over the Canadian Maritimes will combined with a distant offshore low pressure system...Fri into the weekend. This will generate an onshore flow and keep temps cool/below normal especially along the immediate coast
Further inland
temps more tricky and dependent on the amount of solar insolation. There might be clouds at times with the onshore flow...but also periods of sunshine as drier air may get circulated around the high pressure in the Maritimes
Therefore
thinking high temps generally in the 55 to 65 degree range along the immediate coast & between 65 and 75 across the distant interior.

High pressure nosing down from the Maritimes may be enough to keep most of the precipitation risk to our west and south Fri/Sat/Sun. We may see a spot shower or two...but overall thinking dry weather dominates.

Early Next Week...

There are some indications that the upper level energy to our south will weaken and also get suppressed further south. This should allow for some rising height fields and warming temperatures. There is uncertainty as to how quick and to what magnitude this process may occur...but thinking a warming trend is in the cards.

AVIATION /00Z WEDNESDAY THROUGH SUNDAY/

Forecast Confidence Levels:

Low - less than 30 percent.
Moderate - 30 to 60 percent.
High - greater than 60 percent.

00z TAF Update...

Tonight...High Confidence.

Mainly VFR conditions prevail tonight despite increasing mid-high level cloudiness from west to east. That being said...We may have to watch for low clouds and fog patches developing late near the Cape and Islands with increasing low level moisture and a cooling boundary layer. A few showers may develop toward daybreak across western MA/CT...but conditions should remain VFR to at worst marginal MVFR. Gusty winds diminish after sunset...but winds will remain S tonight but will become rather light.

Wednesday...Moderate Confidence.

A broken deck of VFR-MVFR ceilings are expected with the tendency for the lower conditions to be found across interior MA & CT
Dry weather dominates
but a few showers are possible mainly northwest of I-95
S winds 5 to 10 knots
but localized sea breezes are possible during the afternoon along portions of the immediate coast.

Wednesday night...Moderate Confidence.

Light S-SE winds become east overnight. VFR conditions become MVFR overnight, as rain shield comes onshore to the south coast of CT/RI/MA. Forecast uncertainty in how far north this rain shield tracks overnight.

KBOS TAF...High confidence in TAF. The biggest uncertainly is the potential for an ESE sea breeze for a time Wed afternoon.

KBDL TAF...High confidence in TAF.

Outlook /Thursday through Sunday/...

Thursday: Mainly MVFR, with areas VFR possible. Breezy. Chance SHRA.

Thursday Night: Mainly VFR, with areas MVFR possible. Breezy.
Chance SHRA.

Friday through Friday Night: VFR. Breezy.

Saturday: Mainly VFR, with local MVFR possible. Breezy. Slight chance SHRA.

Saturday Night: Mainly MVFR, with areas IFR possible. Breezy.
Slight chance SHRA.

Sunday: Mainly MVFR, with local IFR possible. Breezy. Slight chance SHRA.

MARINE
Forecaster Confidence Levels:

Low - less than 30 percent.
Medium - 30 to 60 percent.
High - greater than 60 percent.

7 PM Update...

Tonight...

We will allow the near shore small craft headlines for SSW gusts up to 25 knots to expire at 8 pm with the loss of diurnal heating. Southerly winds should diminish. High pressure offshore provides mainly dry weather tonight, but patchy fog may develop over the southern MA/RI waters.

Wednesday...

Weak high pressure offshore results in light S-SE winds. Mainly dry weather and any morning fog burns off by midday with good vsby thereafter.

Wednesday...

Low pressure south of New England drifts north, with increasing east winds 15-20 kt toward Thu morning. Vsby lowers to 1-3 miles in areas of fog and rain, especially southern MA and RI waters.

Outlook /Wednesday Night

Thursday through Thursday Night: Low risk for Small Craft Advisory winds with gusts up to 30 kt. Areas of rough seas.
Chance of rain showers.

Friday: Moderate risk for Small Craft Advisory winds with gusts up to 30 kt. Seas up to 5 ft. Slight chance of rain showers.

Friday Night: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Seas up to 5 ft.

Saturday: Winds less than 25 kt. Seas up to 5 ft.

Saturday Night through Sunday: Winds less than 25 kt. Seas up to 5 ft. Slight chance of rain showers.

BOX WATCHES/WARNINGS/ADVISORIES
CT...None.
MA...None.
RI...None.
MARINE...Small Craft Advisory until 8 PM EDT this evening for ANZ230>237-251.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
44020 - NANTUCKET SOUND 6 mi49 min SSW 14G16 56°F 55°F29.9854°F
BZBM3 - 8447930 - Woods Hole, MA 16 mi59 min 56°F 56°F29.99
NTKM3 - 8449130 - Nantucket Island, MA 18 mi59 min SSW 8G13 55°F 58°F30.00
44090 28 mi89 min 56°F 53°F2 ft
CHTM3 29 mi59 min 56°F 54°F29.98
NBGM3 31 mi59 min WSW 11G14 56°F 29.99
44085 35 mi59 min 55°F 54°F3 ft
BUZM3 - Buzzards Bay, MA 35 mi59 min SW 12G14 54°F 30.00
FRVM3 - 8447386 - Fall River, MA 45 mi59 min 59°F 58°F29.99
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 46 mi59 min SSW 8.9G11 59°F 29.97
FRXM3 46 mi59 min 59°F 54°F


Wind History for Nantucket Island, MA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KMVY MARTHA'S VINEYARD,MA 13 sm66 minSSW 0710 smClear55°F52°F88%29.99
KFMH CAPE COD COAST GUARD AIR STATION,MA 17 sm74 minSW 10G1610 smClear59°F50°F72%29.98
KHYA BARNSTABLE MUNIBOARDMAN/POLANDO FIELD,MA 17 sm63 minSSW 10G1710 smClear55°F52°F88%29.97
KACK NANTUCKET MEMORIAL,MA 21 sm75 minSSW 0810 smClear54°F50°F88%30.00
Link to 5 minute data for KMVY


Wind History from MVY
(wind in knots)
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Tide / Current for Cape Poge, Chappaquiddick Island, Massachusetts
   
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Cape Poge
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Tue -- 01:30 AM EDT     Moonset
Tue -- 05:20 AM EDT     2.28 feet High Tide
Tue -- 05:23 AM EDT     Sunrise
Tue -- 11:06 AM EDT     0.22 feet Low Tide
Tue -- 11:07 AM EDT     Moonrise
Tue -- 06:08 PM EDT     2.03 feet High Tide
Tue -- 07:53 PM EDT     Sunset
Tue -- 11:20 PM EDT     0.48 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Cape Poge, Chappaquiddick Island, Massachusetts, Tide feet
12
am
0.7
1
am
1
2
am
1.4
3
am
1.7
4
am
2.1
5
am
2.3
6
am
2.2
7
am
1.9
8
am
1.4
9
am
0.9
10
am
0.4
11
am
0.2
12
pm
0.3
1
pm
0.6
2
pm
0.8
3
pm
1.1
4
pm
1.5
5
pm
1.9
6
pm
2
7
pm
1.9
8
pm
1.6
9
pm
1.2
10
pm
0.7
11
pm
0.5


Tide / Current for Nantucket Harbor Entrance Channel, Massachusetts Current
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Nantucket Harbor Entrance Channel
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Tue -- 01:21 AM EDT     0.76 knots Max Flood
Tue -- 01:28 AM EDT     Moonset
Tue -- 03:57 AM EDT     -0.00 knots Slack
Tue -- 05:22 AM EDT     Sunrise
Tue -- 09:45 AM EDT     -1.27 knots Max Ebb
Tue -- 11:06 AM EDT     Moonrise
Tue -- 11:57 AM EDT     0.00 knots Slack
Tue -- 01:51 PM EDT     0.98 knots Max Flood
Tue -- 06:55 PM EDT     -0.00 knots Slack
Tue -- 07:51 PM EDT     Sunset
Tue -- 10:20 PM EDT     -1.32 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Nantucket Harbor Entrance Channel, Massachusetts Current, knots
12
am
0.2
1
am
0.7
2
am
0.7
3
am
0.3
4
am
-0
5
am
-0.1
6
am
-0.2
7
am
-0.3
8
am
-0.7
9
am
-1.1
10
am
-1.3
11
am
-0.8
12
pm
0
1
pm
0.8
2
pm
1
3
pm
0.7
4
pm
0.4
5
pm
0.2
6
pm
0.1
7
pm
-0
8
pm
-0.4
9
pm
-0.9
10
pm
-1.3
11
pm
-1.2


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GEOS Local Image of north east   
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Boston, MA,




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