Monday, September27, 2021
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Marine Weather and Tides
North Falmouth, 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 6:35AMSunset 6:33PM Monday September 27, 2021 3:19 AM EDT (07:19 UTC) Moonrise 10:11PMMoonset 1:06PM Illumination 67% Phase: Waning Gibbous; Moon at 21 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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ANZ234 Buzzards Bay- 127 Am Edt Mon Sep 27 2021
.small craft advisory in effect from noon edt today through Tuesday morning...
Rest of tonight..W winds 10 to 15 kt. Seas around 2 ft.
Mon..W winds 10 to 15 kt, becoming sw 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 4 ft.
Mon night..SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft.
Tue..SW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft. A chance of showers.
Tue night..NW winds 5 to 10 kt, becoming N 10 to 15 kt after midnight. Seas around 2 ft. A chance of showers.
Wed..N winds around 10 kt. Seas around 2 ft.
Wed night..N winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
Thu..N winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers.
Thu night through Fri night..N winds 5 to 10 kt. Seas 2 to 4 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 127 Am Edt Mon Sep 27 2021
Synopsis for massachusetts and rhode island coastal waters.. High pressure builds in from the south Sunday evening as the area of low pressure moves into canada. Small craft advisories remain in effect for the outer waters, where 5 to 6 foot seas will persist through at least tonight. Northwest gusts could reach 20 to 25 kt Monday and Monday night. A cold front will bring clearing and cooler air Tuesday night. High pressure builds in late in the week with low pressure over nova scotia. 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 North Falmouth, MA
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location: 41.64, -70.66     debug


Area Discussion for - Boston, MA
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FXUS61 KBOX 270201 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 1001 PM EDT Sun Sep 26 2021

SYNOPSIS. High pressure south of New England brings mainly dry and warm conditions Monday, then a few showers or a thunderstorm is possible late Monday night into Tuesday as a cold front sweeps through. A drier and much cooler airmass will follow Wednesday into the weekend, but a few showers are possible Thursday as a disturbance moves through.

NEAR TERM /THROUGH MONDAY/. 10PM Update .

Temperatures continue to fall from the low-60s into the 50s this evening. During this update the only changes [which were minor] were done on the temperature and wind. Temperatures have been cooling off a little quicker and with clear skies and light winds I've brought temperature down by 1-2 degrees. This is still warmer than the coolest guidance. Additionally, winds have been fairly light at 5 knots or less. I did bring the winds more in line with those current conditions. Otherwise the forecast remains on track.

Previous discussion .

High pres builds over mid Atlc region tonight. Dry westerly flow will result in mainly clear skies and cool conditions, although some clouds will be moving in from the west ahead of a weak shortwave. Lows will range from upper 40s to mid 50s.

SHORT TERM /MONDAY NIGHT/. Monday .

A period of clouds expected to move across western and northern MA in the morning as a weak shortwave moves through. Decent moisture advection and weakening stability at the nose of a modest low level jet may result in a brief morning shower, mainly over higher elevations. Otherwise, partly to mostly sunny skies expected. Increasing SW flow brings milder air aloft with 925 mb temps warming to 16-17C. Highs should reach mid/upper 70s, but cooler higher terrain. It will also become breezy in the afternoon with SW gusts 20-30 mph, strongest over Cape/Islands.

Monday night .

Cold front drops south across northern New England with a plume of higher theta-e air and decreasing stability to the south moving across SNE. A few showers are possible overnight ahead of the front and can't rule out an isolated t-storm. It will be a milder night due to more cloud cover and SW flow. Lows will range from the upper 50s in NW MA to the mid 60s near the south coast. Breezy conditions will persist over the Cape/Islands.

LONG TERM /TUESDAY THROUGH SUNDAY/. Highlights .

* Scattered showers and thunderstorms possible Tuesday

* Cold front Tuesday ushers in a drier and much cooler airmass for Wednesday into the weekend.

Tuesday

Robust 115 kt jet at 250 hPa digs an upper-level trough over the northeast on Tuesday. This will be associated with strong CAA at 850 hPa and a cold frontal passage at the surface Tuesday afternoon. Height falls are modest, and thus forcing for ascent associated with this front is modest as well. However, with PWATs in the 1.25- 1.5" inch range there will be a shot at some scattered showers across southern New England, mainly south of I-90. There will be a chance for some thunderstorms depending on the timing of the frontal passage. As of now it looks like the front will be moving through Tuesday afternoon when 200-300 J/kg of MLCAPE is forecast for areas south of I-90. Furthermore, deep layer shear values around 35 knots could support thunderstorm development as well. Models are in general agreement that this front and associated precipitation will be clear of southern New England by late Tuesday night.

Wednesday through next weekend.

Strong cold air advection and deep north/northwesterly flow behind Tuesday's cold front will usher cooler/drier air into southern New England. This will have the area feeling much more like fall with daily high/low temperatures in the mid 60s/upper 40s respectively. Expect these conditions to persist through the weekend as an upper- level low and deep north/northwest flow will meander over the northeast for an extended period of time. This will be due to a blocking area of high pressure over the mid-Atlantic. There will be a chance for some isolated to scattered showers along the east-coast on Thursday as an area of low pressures passes well to our northeast.

AVIATION /02Z MONDAY THROUGH FRIDAY/. Forecaster Confidence Levels.

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

00Z update . High confidence.

Tonight . VFR. W/NW wind gusts to 20-25 kt diminishing this evening. Localized late night fog possible in the CT valley in northern MA

Monday . VFR. A period of cigs around 10k ft, especially across northern MA. SW gusts to 20-25 kt developing in the afternoon, strongest Cape/Islands.

Monday night . VFR cigs. A few showers possible overnight, possibly an isolated t-storm. SW gusts 20-25 kt Cape/Islands.

KBOS Terminal . High confidence.

KBDL Terminal . High confidence.

Outlook /Tuesday through Friday/ .

Tuesday: VFR. Breezy. Chance SHRA.

Tuesday Night: VFR. Slight chance SHRA.

Wednesday: VFR.

Wednesday Night: Mainly VFR, with local MVFR possible. Slight chance SHRA.

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

Thursday Night through Friday: VFR.

MARINE. Forecaster Confidence Levels.

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

NW gusts to 20 kt tonight will shift to SW Monday with gusts increasing to 25-30 kt during the afternoon and continuing Mon night. Strongest gusts will be over south coastal waters. SCA will be expanded for all waters, except Boston Harbor.

Outlook /Tuesday through Friday/ .

Tuesday through Tuesday Night: Winds less than 25 kt. Areas of seas approaching 5 ft. Chance of rain showers.

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

Wednesday Night: Winds less than 25 kt. Areas of seas approaching 5 ft. Chance of rain showers.

Thursday: Winds less than 25 kt. Seas up to 5 ft. Chance of rain showers.

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

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

BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . None. RI . None. MARINE . Small Craft Advisory from noon Monday to 8 AM EDT Tuesday for ANZ232>235-237. Small Craft Advisory from 4 PM Monday to 5 AM EDT Tuesday for ANZ231-236-251. Small Craft Advisory until 8 AM EDT Tuesday for ANZ250-254>256.

SYNOPSIS . KJC/RM NEAR TERM . KJC/Gaucher SHORT TERM . KJC LONG TERM . RM AVIATION . KJC/RM MARINE . KJC/RM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WAXM3 - Waquoit Bay Reserve, MA 8 mi95 min Calm 71°F 1013 hPa65°F
BZBM3 - 8447930 - Woods Hole, MA 8 mi50 min 67°F 71°F1013.6 hPa
44090 22 mi24 min 68°F2 ft
44020 - NANTUCKET SOUND 23 mi30 min W 18 G 21 70°F 72°F2 ft1013.3 hPa
BUZM3 - Buzzards Bay, MA 26 mi80 min W 20 G 21 1014.7 hPa (+0.5)
FRVM3 - 8447386 - Fall River, MA 27 mi50 min 64°F 72°F1014.2 hPa
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 28 mi50 min W 9.9 G 12 64°F 1014.1 hPa
FRXM3 28 mi50 min 64°F 62°F
PRUR1 34 mi50 min 62°F 50°F
NAXR1 - Narragansett Bay Reserve, RI 36 mi95 min WNW 5.1 59°F 1014 hPa50°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 36 mi50 min WNW 4.1 G 8.9 60°F 1014.7 hPa
CPTR1 - 8452944 - Conimicut Light, RI 37 mi50 min 58°F 70°F1013.9 hPa
NWPR1 - 8452660 - Newport, RI 37 mi50 min WSW 9.9 G 12 64°F 70°F1013.9 hPa
CHTM3 38 mi50 min WSW 1.9 G 6 59°F 67°F1013.3 hPa
NTKM3 - 8449130 - Nantucket Island, MA 39 mi50 min W 4.1 G 7 63°F 71°F1013.8 hPa
PVDR1 40 mi50 min W 1 G 1.9 59°F 1014.3 hPa
QPTR1 - 8454049 - Quonset Point, RI 40 mi50 min W 6 G 9.9 62°F 71°F1014.2 hPa
FOXR1 - 8454000 - Providence, RI 41 mi50 min WNW 2.9 G 2.9 60°F 68°F1014.2 hPa
44013 - BOSTON 16 NM East of Boston, MA 49 mi30 min WSW 16 G 19 64°F3 ft1012.9 hPa

Wind History for Borden Flats Light at Fall River, MA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Otis Air National Guard Base, MA7 mi35 minNW 610.00 miFair55°F48°F77%1013.9 hPa
Marthas Vineyard Airport, MA16 mi27 minWSW 410.00 miFair51°F49°F92%1013.9 hPa
New Bedford, New Bedford Regional Airport, MA17 mi27 minW 310.00 miFair53°F50°F89%1013.6 hPa
Plymouth, Plymouth Municipal Airport, MA19 mi28 minW 510.00 miFair54°F49°F83%1013.7 hPa
Hyannis, Barnstable Municipal-Boardman Airport, MA20 mi24 minW 410.00 miFair59°F52°F78%1013.2 hPa

Link to 5 minute data for KFMH

Wind History from FMH (wind in knots)
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Last 24hrCalmCalmN10N5--N5N5W9NW11NW10W12W10--NW10
G18
--NW12NW8NW6NW6NW6NW6NW6NW6NW6
1 day agoCalmCalmCalmCalmNE6NE6NE6NE6NE6NE6NE8NE7NE5N5NE5NE5NE5--NE4NE4NE4CalmN3--
2 days ago--SE15SE14
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SE16SE16SE16SE16SE16S17S16S16S17S15S15S15--S15S15W4W4CalmCalmCalmCalm

Tide / Current Tables for West Falmouth Harbor, Buzzards Bay, Massachusetts
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West Falmouth Harbor
Click for Map
Mon -- 12:45 AM EDT     3.30 feet High Tide
Mon -- 05:42 AM EDT     0.70 feet Low Tide
Mon -- 06:35 AM EDT     Sunrise
Mon -- 01:06 PM EDT     Moonset
Mon -- 01:14 PM EDT     3.82 feet High Tide
Mon -- 06:27 PM EDT     1.06 feet Low Tide
Mon -- 06:30 PM EDT     Sunset
Mon -- 10:11 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.23.32.92.21.40.80.711.522.533.53.83.73.12.21.51.11.11.41.722.3

Tide / Current Tables for Cape Cod Canal, Massachusetts Current
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Cape Cod Canal
Click for Map
Mon -- 02:23 AM EDT     -0.16 knots Slack
Mon -- 05:15 AM EDT     -3.85 knots Max Ebb
Mon -- 06:35 AM EDT     Sunrise
Mon -- 08:12 AM EDT     0.02 knots Slack
Mon -- 11:06 AM EDT     3.55 knots Max Flood
Mon -- 01:06 PM EDT     Moonset
Mon -- 02:31 PM EDT     -0.13 knots Slack
Mon -- 05:35 PM EDT     -3.89 knots Max Ebb
Mon -- 06:30 PM EDT     Sunset
Mon -- 08:35 PM EDT     0.03 knots Slack
Mon -- 10:10 PM EDT     Moonrise
Mon -- 11:36 PM EDT     3.63 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.52.91.6-2.1-3.3-3.8-3.7-2.9-1.22.33.23.53.42.81.7-1.7-3.1-3.8-3.8-3.3-21.733.5

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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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