Sunday, September19, 2021
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Marine Weather and Tides
Smith Mills, MA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 6:27AMSunset 6:47PM Sunday September 19, 2021 8:59 AM EDT (12:59 UTC) Moonrise 6:38PMMoonset 4:42AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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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ANZ236 Narragansett Bay- 727 Am Edt Sun Sep 19 2021
Today..N winds 5 to 10 kt. Gusts up to 20 kt this morning. Waves 2 to 3 ft.
Tonight..E winds 5 to 10 kt, becoming ne after midnight. Waves around 2 ft.
Mon..NE winds around 5 kt, becoming se in the afternoon. Waves 1 foot or less.
Mon night..E winds 5 to 10 kt. Waves around 2 ft.
Tue and Tue night..SE winds 5 to 10 kt. Waves 1 foot or less.
Wed and Wed night..SE winds 5 to 10 kt. Gusts up to 20 kt. Waves 2 to 3 ft.
Thu and Thu night..SE winds 10 to 15 kt, diminishing to 5 to 10 kt. Gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers. 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 727 Am Edt Sun Sep 19 2021
Synopsis for massachusetts and rhode island coastal waters.. High pressure builds into new england Sunday, while odette tracks south of nova scotia and newfoundland. The high then remains anchored from the maritimes to new england through mid week, providing tranquil boating conditions. By late next week, a cold front approaches new england from the west, and will be accompanied by scattered showers, with locally heavy rain possible and isolated Thunderstorms. For additional information on possible hazardous weather for the week ahead, please visit www.weather.gov/boston/ehwo


7 Day Forecast for Marine Location Near Smith Mills, MA
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location: 41.57, -71.07     debug


Area Discussion for - Boston, MA
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FXUS61 KBOX 191057 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 657 AM EDT Sun Sep 19 2021

SYNOPSIS. Large high pressure over the region today. This will bring dry weather and increasing sunshine, as well as low humidity along with mild days and cool nights through mid week. An approaching cold front will be accompanied by showers and possible thunderstorms sometime Thursday into Friday, followed by dry and seasonably mild conditions Saturday.

NEAR TERM /UNTIL 6 PM THIS EVENING/.

700 AM Update .

A cold front off Nantucket will move farther offshore today. Clouds lingered at sunrise from Worcester and Windham Counties eastward. But there were some breaks in the clouds over SE Mass. North winds are bringing drier air into the region. Dew points were in the upper 40s in NW Mass and 50s over much of the rest of the three states . some low 60s lingered along the South Coast.

The main uncertainty is with the exact timing for the clearing of the clouds. But the actual clearing trend is still expected.

No significant changes to the forecast at this time.

Previous update .

* Gorgeous stretch of dry weather begins later this morning, featuring mild days and cool nights

High pressure and post frontal airmass beginning to overspread the region this morning from NW to SE. Definitely a noticeable change in airmass with PWATs falling to about 50% of normal! At the surface, this translates to dew pts falling in the 50s today, even a few upper 40s possible in the high terrain of western MA. Quite a difference from the 60s yesterday.

Core of cooler post frontal airmass will eventually be across eastern MA, where 925 mb temps are about +12C today, then warming to +14C to +16C over western MA/CT. This will result in a noticeable temp range across the region this afternoon, with highs in the upper 60s to lower 70s across eastern MA, then warming to the mid-upper 70s across CT into western-central MA and RI.

Gusty NNE winds along the eastern MA coast this morning behind the front, will slacken and give way to afternoon seabreezes. These NNE winds will initially yield scattered to broken strato-cu across eastern MA this morning, but eventually very dry air aloft mixes to the surface and gives way to abundant sunshine all areas later this morning. Away from the coast, light winds will prevail thru the day. Just a gem of a day with abundant sunshine, mild temps, low humidity and light winds this afternoon, especially away from eastern MA coastline.

For those heading to the beach today, leftover southeast swells from Odette will result in one more day of rough surf and increased risk of strong rip currents. Thus, rip current statement remains posted. Main concern is at east facing ocean beaches of Cape Ann, Cape Cod and Nantucket, especially this time of year as beaches no longer have lifeguards.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM MONDAY/. 315 AM update .

Tonight .

The combination of a very dry airmass in place (dew pts in the 40s and 50s) and 1025+ mb high pressure overhead, providing light winds & clear conditions, will result in a very cool night. Low temps were derived from the cooler MOS guidance datasets, which supports lows in the 40s across many of the suburbs, 50s in the urban areas. These cool temps will serve as a reminder that the first day of Autumn is just days away, Wed 9/22 at 3:21 pm EDT. Normal low for this time of year is 53 to 58.

Monday .

Another absolute gem of a day, with abundant sunshine, light winds and low humidity with dew pts in the 40s and 50s! Subtropical ridge builds to 593 dam heights, centered over southern New England. Still a coolish airmass overhead with 1030 mb maritime high extending into southern New England. Subsidence inversion may preclude mixing to 850 mb, therefore with 925 mb temps around +13C to +14C, expecting highs in the low to mid 70s, cooler along and near the coast with seabreezes.

LONG TERM /MONDAY NIGHT THROUGH SATURDAY/. Big Picture .

High amplitude pattern through the week will favor a slow change in weather. High pressure surface and aloft over the Eastern Seaboard Monday night shifts to the West Atlantic Tuesday. Great Plains shortwave digs and deepens over the Midwest Tuesday, forming a closed upper low Wednesday which lifts north through the Great Lakes Thursday-Friday.

Upper flow shows well-above normal contours, which would support summertime temps. But the departing surface high will leave southeast surface winds in its wake which should modify temps closer to normal levels. Contours fall as the upper low passes to the northwest, but remain near season normals. So expect near normal temperatures, cooling a little late in the week.

Mass fields are similar through Wednesday, then diverge. The GFS quickly becomes 24-hours ahead of the other models with the position of the closed low. But all models carry the system through the same geography, so the concern on its effects is more with timing. Confidence is high through Wednesday, then moderate through Saturday.

Details .

Monday night to Wednesday .

High pressure slowly moves east offshore, but maintains dry weather in Srn New England during the period. Mixing reaches between 850-mb and 900-mb. Dew points in the upper 40s and low 50s Monday night with light wind, so Monday night min temps will be in the upper 40s to mid 50s. Dews increase a little Tuesday, so Tuesday night mins will be in the 50s. Temps at the top of the mixed layer will be 5-8C Tuesday, supporting max temps upper 60s to mid 70s. These temps nudge up a little Wednesday, supporting max temps in the low-mid 70s.

Thursday through Saturday .

Low pressure lifts through Ontario Thursday, sweeping the associated surface cold front east. GFS moves the cold front through during Thursday night, while the ECMWF moves it through late Friday or Friday night. Tend to favor the slower ECMWF timing. PW values start climbing Wednesday, reaching highest values around 2 inches during Thursday and early Friday. This suggests the potential for local downpours. Convective parameters are so-so Thursday. Will forecast low-end chance pops for showers in the CT Valley starting Wednesday night. The chance of showers spreads east across the region Thursday. Showers continuing through Thursday night in the west and through Friday in the east. Pops will include a chance of thunder.

Generally dry Saturday, but upper trough sweeps east from the Great Lakes and brings a -26C cold pool. Much of this moves northeast into Canada. But cooler air does move over New England, and this cold advection may destabilize the airmass and bring a few showers, especially to Western Mass.

AVIATION /12Z SUNDAY THROUGH THURSDAY/. Forecaster Confidence Levels.

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

Today .

VFR most areas, but lingering MVFR/IFR ceilings along the South Coast. Expect skies turning VFR all areas this morning. Clearing at sunrise was just east of a ORE-IJD-WST line, and is expected to move across the remainder of Srn New England this morning. NNW winds become NNE this morning and increasing 15-20kt along the eastern MA coast. Elsewhere 5-15 kt.

Tonight . VFR. Winds light and variable.

Monday . VFR with light and variable winds, becoming onshore along the coast.

KBOS Terminal . High confidence. Dry weather with ceilings improving to VFR by 15z. Then an extended stretch of dry weather, VFR, light/variable winds with afternoon seabreezes.

KBDL Terminal . High confidence. VFR.

Outlook /Monday night through Thursday/

Monday Night: Mainly VFR, with areas IFR possible. Patchy BR.

Tuesday: VFR.

Tuesday Night: Mainly VFR, with areas IFR possible. Patchy BR.

Wednesday: Mainly VFR, with local IFR possible. Breezy. Slight chance SHRA.

Wednesday Night: MVFR/IFR conditions possible. Breezy. Slight chance SHRA, patchy BR.

Thursday: Mainly MVFR, with local IFR possible. Breezy. Chance SHRA, slight chance TSRA.

MARINE. Forecaster Confidence Levels.

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

700 AM update .

Today . High forecast confidence.

High pressure builds into New England, with NNW winds eventually shifting to NNE late this morning. Gusts build up to 20-25 kt, then diminish this afternoon. Seas a combination of NNE wind waves and SE swells from Odette. Dry weather.

Tonight and Monday . High forecast confidence.

Large 1025+ mb high pressure builds over the maritimes, yielding fine boating weather with light winds, dry weather and good vsby.

Outlook /Monday Night through Thursday/ .

Monday Night through Tuesday Night: Winds less than 25 kt.

Wednesday: Winds less than 25 kt. Seas locally approaching 5 ft.

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

Thursday: Winds less than 25 kt. Seas up to 5 ft. Slight chance of rain showers, slight chance of thunderstorms.

BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . High Rip Current Risk through this evening for MAZ007-019-022- 024. RI . None. MARINE . Small Craft Advisory until 8 PM EDT this evening for ANZ250- 254. Small Craft Advisory until 4 PM EDT this afternoon for ANZ251. Small Craft Advisory until 2 PM EDT this afternoon for ANZ255- 256.

SYNOPSIS . WTB/Nocera NEAR TERM . WTB/Nocera SHORT TERM . Nocera LONG TERM . WTB AVIATION . WTB/Nocera MARINE . WTB/Nocera


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FRXM3 10 mi59 min 65°F 65°F
FRVM3 - 8447386 - Fall River, MA 11 mi59 min 64°F 70°F1019.5 hPa (+2.3)
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 11 mi59 min N 12 G 16 66°F 1019.4 hPa (+2.3)
BUZM3 - Buzzards Bay, MA 12 mi59 min N 16 G 17 1019.5 hPa (+2.4)
PRUR1 13 mi59 min 65°F 65°F
NWPR1 - 8452660 - Newport, RI 14 mi59 min NNE 7 G 17 66°F 70°F1019.2 hPa (+2.5)
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 15 mi59 min NE 7 G 14 65°F 1020.1 hPa (+2.3)
NAXR1 - Narragansett Bay Reserve, RI 15 mi74 min NNE 8.9 65°F 1019 hPa62°F
QPTR1 - 8454049 - Quonset Point, RI 18 mi59 min N 12 G 15 65°F 71°F1019.5 hPa (+2.4)
CPTR1 - 8452944 - Conimicut Light, RI 18 mi59 min 64°F 71°F1019.2 hPa (+2.2)
BZBM3 - 8447930 - Woods Hole, MA 21 mi59 min 65°F 72°F1018.4 hPa (+2.3)
PVDR1 22 mi59 min N 7 G 11 65°F 1019.8 hPa (+2.3)
FOXR1 - 8454000 - Providence, RI 24 mi59 min NE 8 G 13 65°F 67°F1019.8 hPa (+2.4)
WAXM3 - Waquoit Bay Reserve, MA 29 mi74 min NW 2.9 70°F 1018 hPa68°F
44020 - NANTUCKET SOUND 42 mi39 min NNE 19 G 23 67°F 72°F1018.1 hPa
44097 - Block Island, RI (154) 42 mi63 min 71°F5 ft
44090 43 mi63 min 68°F3 ft

Wind History for Borden Flats Light at Fall River, MA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New Bedford, New Bedford Regional Airport, MA10 mi66 minNNE 810.00 miFair65°F58°F78%1018.6 hPa
Newport, Newport State Airport, RI11 mi66 minN 710.00 miPartly Cloudy64°F60°F87%1018.8 hPa
Providence, Theodore Francis Green State Airport, RI22 mi68 minN 810.00 miMostly Cloudy64°F57°F78%1019.6 hPa
Taunton, Taunton Municipal Airport, MA22 mi67 minVar 510.00 miMostly Cloudy63°F57°F81%1019.1 hPa

Link to 5 minute data for KEWB

Wind History from EWB (wind in knots)
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Last 24hrNE75N6N7N5N7CalmN5N6CalmCalmNE3CalmCalmCalmW4CalmCalmN3N44
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1 day agoNE5N6NE5N4N6NE8NE9NE9NE7N7N7N5N5N3N53N63N5N7N3N5N6N8
2 days agoE54NE7NE6NE7NE6E7NE6NE7NE10NE7NE8NE5NE4N4NE6NE5NE7NE8NE6NE5NE4N5NE6

Tide / Current Tables for Hix Bridge, East Branch, Westport River, Massachusetts
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Hix Bridge
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Sun -- 03:41 AM EDT     0.02 feet Low Tide
Sun -- 04:41 AM EDT     Moonset
Sun -- 06:28 AM EDT     Sunrise
Sun -- 08:49 AM EDT     3.16 feet High Tide
Sun -- 03:52 PM EDT     -0.06 feet Low Tide
Sun -- 06:37 PM EDT     Moonrise
Sun -- 06:46 PM EDT     Sunset
Sun -- 09:12 PM EDT     3.34 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.40.80.30.100.41.12.12.93.22.92.31.50.80.30-0.10.20.91.92.83.33.22.7

Tide / Current Tables for Westport River Entrance, Massachusetts Current
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Westport River Entrance
Click for Map
Sun -- 02:24 AM EDT     0.00 knots Slack
Sun -- 04:42 AM EDT     Moonset
Sun -- 05:39 AM EDT     2.64 knots Max Flood
Sun -- 06:29 AM EDT     Sunrise
Sun -- 08:05 AM EDT     -0.01 knots Slack
Sun -- 10:41 AM EDT     -2.14 knots Max Ebb
Sun -- 03:04 PM EDT     0.00 knots Slack
Sun -- 06:03 PM EDT     2.34 knots Max Flood
Sun -- 06:37 PM EDT     Moonrise
Sun -- 06:46 PM EDT     Sunset
Sun -- 08:19 PM EDT     -0.00 knots Slack
Sun -- 10:56 PM EDT     -2.32 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.7-1.1-0.40.61.62.42.61.70.1-1.3-2-2.1-1.9-1.5-0.9-0.10.91.92.31.90.5-1-2.1-2.3

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