Friday, March5, 2021
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Marine Weather and Tides
Duxbury, MA

Version 3.4
NOTICE
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 6:09AMSunset 5:39PM Friday March 5, 2021 11:52 PM EST (04:52 UTC) Moonrise 1:15AMMoonset 10:57AM Illumination 50% Phase: Third Quarter Moon; Moon at 22 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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ANZ231 Cape Cod Bay- 1022 Pm Est Fri Mar 5 2021
.small craft advisory in effect until 9 am est Saturday...
Overnight..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of light freezing spray.
Sat..W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft.
Sat night..NW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 2 to 3 ft.
Sun..NW winds 5 to 10 kt. Seas around 2 ft.
Sun night..NW winds 10 to 15 kt. Seas 1 foot or less.
Mon and Mon night..SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
Tue through Wed night..SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 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 1022 Pm Est Fri Mar 5 2021
Synopsis for massachusetts and rhode island coastal waters.. Northwesterly wind gusts continue to sette overnight to around 20 kts for tomorrow. Light freezing spray will be possible through about mid-morning across portions of the coastal waters especially off the eastern coast of ma. High pressure builds over the waters this weekend and maintains dry weather through the first half of next week. 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 Duxbury, MA
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location: 42.04, -70.67     debug


Area Discussion for - Boston, MA
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FXUS61 KBOX 060300 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 1000 PM EST Fri Mar 5 2021

SYNOPSIS. Dry weather persists through the middle of next week. Colder than normal through the weekend, but then a pattern change toward much warmer weather by the middle of next week. A cold front then moves through late Thursday or Friday.

NEAR TERM /UNTIL 6 AM SATURDAY MORNING/.

No significant changes to the forecast.

Lake-effect snow bands stretch across New York State, with a few flurries coming over the Berkshires. Westfield reported a flurry at 9 PM. Lots of clouds over Southern New England, but mostly clear over Cape Cod and Islands.

Dry airmass continues in place with dew points in the single numbers. Temps at 9 PM were 25 to 30. With the air that dry, expect any attempts at precipitation to quickly dry up. Lots of clouds through the middle of the night, but clearing along the Maine Mid-coast is expected to move southwest over our area. Expect clearing skies late tonight.

Winds gusting 20 to 25 kt early in the night. Pressure gradient is forecast to diminish overnight, which may help winds diminish a little. Cold pool aloft stays in place, which will be favorable for continued wind gusts during the night. So, overall, gusty with a small diminishing trend for the wind.

SHORT TERM /6 AM SATURDAY MORNING THROUGH SUNDAY/. 305 PM UPDATE .

Saturday and Sunday .

The cold vortex over Southeast Quebec continues to impact our weather with colder than normal conditions, as 850 mb temps only modify to -13C to -14C Sat. This will only support highs of 30-35, except mid to upper 20s inland, especially the high terrain. Winds not quite as gusty as today, but still WNW winds 10-20 mph will provide wind chills in the 20s.

More clouds than today given long moist fetch of Lake Superior, Huron and Ontario into NY State and Southern New England. HREF and BUFKIT shows diurnal CU/SCU blossoming a bit tomorrow afternoon, especially in the hilly terrain. Can't rule out a brief snow shower/flurry, but most of the region remains dry.

Another very dry day with dew pts in the single digits and air temps 30-35, supporting RHs in the 20-30 percent range. Not quite as extreme as today with RH values in the teens.

Cold Sat night given the lack of airmass change along with very low dew pts. Also with decreasing winds, diurnal clouds eroding, blended in some of the colder MOS guidance to derive mins. Lows once again in the teens.

Airmass modifies slightly Sunday as cold vortex finally ejects eastward out of Southeast Quebec. This combined with more sunshine and less wind should make Sunday more pleasant/tolerable than today or Saturday.

LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/. Highlights .

* Much warmer midweek with highs in the 50s and 60s Tuesday into Friday, away from the immediate coast.

Sunday night through Thursday .

An upper trough exits the region Sunday night. Winds will be northwest and with mainly clear skies another cold night is in store with lows in the teens to lower 20s. Clouds over the ocean could come close to outer Cape Cod before heading east by Monday.

Rising upper heights begin on Monday with surface high pressure heading toward New England. Expect a sunny day with high temperatures about 5 to 10 degrees warmer than on Sunday . in the lower 40s but cooler on the Cape and islands.

A weak upper disturbance passes north of the region Monday night and early Tuesday, which could increase mid and high level cloudiness, but expect increasing sunshine later Tuesday. No precipitation is expected. Highs will be about 10 degrees warmer than Monday . reaching the mid 50s over much of the area, but cooler on the islands.

The real warmth settles in Wednesday and Thursday, as a strong upper ridge crests over our region and then moves eastward. At the surface, high pressure heads offshore, allowing for warm southwest winds, away from southerly facing coastlines. Have gone with the highest guidance, especially since snow cover should be gone. Expecting highs 55 to 60 Wednesday and in the lower 60s Thursday. A cold front should remain far enough to the west, but can't rule out a chance of a shower in far western areas late in the day.

Thursday night and Friday .

There are timing difference amongst the models, but either Thursday night or Friday, a rather strong cold front moves through the region, bringing scattered rain showers. Highs should still reach the 50s Friday, with the colder air filtering in Friday night. The European and Canadian models bring some light precipitation to the region late Friday night with possible low pressure to our south, but that is beyond our current forecast period.

AVIATION /03Z SATURDAY THROUGH WEDNESDAY/. Forecaster Confidence Levels.

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

VFR, dry and blustery WNW winds thru Sunday. Strongest winds will be overnight tonight. A snow shower or flurry possible in the east slopes of the Berkshires, but with visibility remaining P6SM.

KBOS TAF . High confidence in TAF. VFR.

KBDL TAF . High confidence in TAF. VFR.

Outlook /Sunday Night through Wednesday/ .

Sunday Night through Monday: VFR.

Monday Night through Tuesday: VFR. Breezy.

Tuesday Night: VFR.

Wednesday: VFR. Breezy.

MARINE.

No changes to the forecast at this time.

Overnight . WNW winds 15-20 with gusts up to 25-30 kt may diminish below 25 kt toward daybreak. Cold airmass and gusty WNW winds will yield light freezing spray, especially the first half of the night. Some snow showers possible offshore, otherwise dry weather and good vsby prevail.

Sat and Sunday . WNW winds diminish Sat to about 10-20 kt, then 5-15 kt Sunday as high pressure builds in from the west. Other than snow showers offshore Sat, dry weather and good vsby prevail. Given lighter winds, less light freezing spray expected.

Outlook /Sunday Night through Wednesday/.

Sunday Night through Monday: Winds less than 25 kt.

Monday Night through Tuesday: Winds less than 25 kt. Seas locally approaching 5 ft.

Tuesday Night through Wednesday: Winds less than 25 kt.

BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . None. RI . None. MARINE . Small Craft Advisory until 9 AM EST Saturday for ANZ231>235- 237-250-251. Small Craft Advisory until 4 AM EST Saturday for ANZ230-236. Small Craft Advisory until 5 PM EST Saturday for ANZ254>256.

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44013 - BOSTON 16 NM East of Boston, MA 21 mi43 min WNW 21 G 27 40°F1010.8 hPa
44090 23 mi57 min 37°F3 ft
44018 - SE Cape Cod 30NM East of Nantucket, MA 30 mi33 min WNW 19 G 25 30°F 39°F1008.9 hPa13°F
BHBM3 - 8443970 - Boston, MA 30 mi53 min 37°F1009.3 hPa (+1.9)
WAXM3 - Waquoit Bay Reserve, MA 33 mi68 min W 5.1 30°F 1010 hPa7°F
44029 - Buoy A0102 - Mass. Bay/Stellwagen 34 mi109 min NW 18 G 23 28°F 3 ft1008.5 hPa
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 35 mi53 min WNW 14 G 18 30°F 1011.1 hPa (+1.2)
FRVM3 - 8447386 - Fall River, MA 35 mi53 min 30°F 37°F1011.4 hPa (+1.1)
BZBM3 - 8447930 - Woods Hole, MA 36 mi53 min 30°F 36°F1010.8 hPa (+1.5)
FRXM3 36 mi53 min 31°F 13°F
CPTR1 - 8452944 - Conimicut Light, RI 42 mi53 min W 14 G 19 29°F 37°F1010.7 hPa (+1.6)
FOXR1 - 8454000 - Providence, RI 42 mi53 min NNW 7 G 15 29°F 36°F1011.3 hPa (+1.4)
PVDR1 42 mi53 min NW 6 G 12 29°F 1011.4 hPa (+1.4)9°F
44020 - NANTUCKET SOUND 43 mi33 min WNW 18 G 23 36°F
NAXR1 - Narragansett Bay Reserve, RI 45 mi68 min NNW 8 30°F 1011 hPa10°F
PRUR1 45 mi53 min 30°F 11°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 45 mi53 min NNW 5.1 G 12 29°F 1011.9 hPa (+1.2)
CHTM3 45 mi53 min NW 5.1 G 8.9 29°F 37°F1009.5 hPa (+1.5)
BUZM3 - Buzzards Bay, MA 48 mi53 min NW 25 G 27 1011.7 hPa (+1.4)

Wind History for Borden Flats Light at Fall River, MA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Marshfield Airport, MA4 mi78 minNW 910.00 miOvercast30°F7°F37%1010.2 hPa
Plymouth, Plymouth Municipal Airport, MA10 mi61 minWNW 810.00 miPartly Cloudy27°F7°F43%1010.1 hPa
Taunton, Taunton Municipal Airport, MA21 mi61 minWNW 7 G 1410.00 miPartly Cloudy29°F7°F39%1010.4 hPa

Link to 5 minute data for KGHG

Wind History from GHG (wind in knots)
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1 day agoCalmNW4W3CalmCalmCalm--Calm6
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Tide / Current Tables for Gurnet Point, Massachusetts
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Gurnet Point
Click for Map
Fri -- 12:14 AM EST     Moonrise
Fri -- 03:36 AM EST     10.37 feet High Tide
Fri -- 06:10 AM EST     Sunrise
Fri -- 09:56 AM EST     Moonset
Fri -- 10:05 AM EST     -0.44 feet Low Tide
Fri -- 04:14 PM EST     9.04 feet High Tide
Fri -- 05:37 PM EST     Sunset
Fri -- 08:32 PM EST     Last Quarter
Fri -- 10:23 PM EST     0.42 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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46.58.710.110.39.27.24.82.40.5-0.40.21.946.28.198.77.45.63.61.70.50.7

Tide / Current Tables for Cape Cod Canal, Massachusetts Current
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Cape Cod Canal
Click for Map
Fri -- 12:14 AM EST     Moonrise
Fri -- 01:45 AM EST     -0.19 knots Slack
Fri -- 04:48 AM EST     -4.54 knots Max Ebb
Fri -- 06:10 AM EST     Sunrise
Fri -- 07:50 AM EST     0.00 knots Slack
Fri -- 09:57 AM EST     Moonset
Fri -- 10:53 AM EST     4.31 knots Max Flood
Fri -- 02:22 PM EST     -0.19 knots Slack
Fri -- 05:18 PM EST     -4.34 knots Max Ebb
Fri -- 05:37 PM EST     Sunset
Fri -- 08:20 PM EST     0.19 knots Slack
Fri -- 08:32 PM EST     Last Quarter
Fri -- 11:19 PM EST     4.06 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.72.5-1.5-3.4-4.3-4.5-4-2.81.23.24.14.343.21.8-2.4-3.7-4.3-4.2-3.4-1.72.43.64

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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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