Wednesday, September23, 2020
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Marine Weather and Tides
The Pinehills, MA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:31AMSunset 6:39PM Wednesday September 23, 2020 3:45 PM EDT (19:45 UTC) Moonrise 1:51PMMoonset 11:02PM Illumination 40% Phase: Waxing Crescent; Moon at 6 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- 116 Pm Edt Wed Sep 23 2020
This afternoon..W winds around 10 kt. Seas 2 to 4 ft.
Tonight..W winds around 10 kt. Seas 2 to 3 ft.
Thu..W winds 5 to 10 kt, becoming sw in the afternoon. Seas around 2 ft.
Thu night..SW winds 5 to 10 kt. Seas 1 foot or less.
Fri and Fri night..SW winds 5 to 10 kt. Seas around 2 ft.
Sat through Sun..S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
Sun night..SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 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 116 Pm Edt Wed Sep 23 2020
Synopsis for massachusetts and rhode island coastal waters.. Hurricane teddy will pass into nova scotia today. Mariners are urged to keep up to date with the latest forecasts. High pressure will be centered south of the waters for Thursday and Friday. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the current hazards link above the map on the left.


7 Day Forecast for Marine Location Near The Pinehills, MA
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location: 41.92, -70.56     debug


Area Discussion for - Boston, MA
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FXUS61 KBOX 231922 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 322 PM EDT Wed Sep 23 2020

SYNOPSIS. High pressure over the Mid Atlantic region will provide warm and dry weather into this weekend, with temperatures and humidity peaking Sunday, providing a touch of summer-like conditions. A pattern change toward showery weather arrives Sunday night into next week, with much needed rainfall arriving. Although a washout is not expected with many hours of dry weather during this time.

NEAR TERM /UNTIL 6 AM THURSDAY MORNING/.

320 PM UPDATE .

Quiet and dry weather continues as high pressure builds off the coast of the southeast United States. Gusty afternoon winds will diminish late this evening and though early Thursday morning. Mainly clear overnight with seasonable morning lows in the low and middle 50s. Expecting a sunny start on Thursday with a few areas of river fog across western MA/CT.

SHORT TERM /6 AM THURSDAY MORNING THROUGH THURSDAY NIGHT/.

320 PM UPDATE .

We expect a fairly persistent forecast because of a Bermuda High 1022mb - what you see is what you get. Outside of a few clouds we are mostly sunny and warm. Afternoon temperatures continue to trend 5 to 10 degrees above normal - overnight temperatures remain near normal in the low 50s.

LONG TERM /FRIDAY THROUGH WEDNESDAY/.

320 PM UPDATE .

Highlights .

* Warmer than average through the weekend with temps & humidity peaking Sunday

* Dry weather likely continues thru the weekend followed by a pattern change toward showery weather Sunday night into next week

Precipitation .

Dry weather expected to continue Fri and Sat. The only wrinkle is for late Fri night into Sat night when remnant moisture from Beta tracks just south of New England. Although much of the guidance suggest the mid level trough will lack the amplitude for the deep moisture to track this far north, thus remaining offshore. Therefore other than a spot shower Fri ngt/Sat/Sat night and some extra clouds, expecting a mainly dry forecast. Much of Sunday will likely remain dry as well especially during the daylight hours. However by Sunday evening/night a prefrontal trough induced by an approaching short wave may trigger a few showers across this region. Otherwise dry weather should prevail thru the weekend.

Then by early next week models (deterministic and ensemble guidance) continue to advertise a pattern change with a full latitude trough developing over the Great Lakes and OH Valley. This should support showery weather from time to time across southern New England, as short wave energy tracks across NY State with attending surface cold fronts entering, stalling or washing out over southern New England. Given the deep SSW flow setting up along the eastern seaboard, this full latitude trough should be able to tap into Gulf and Atlantic moisture for some meaningful/appreciable rainfall here next week. Not drought busting but much needed rainfall with ensemble mean qpf from the GFS/EC and Canadian offering at 0.50-1.25 inches of rain thru day7 (Wed). Difficult to time the showers from individual short waves, however ensembles suggest first potent short wave to impact our region Sun night into Monday. Then trailing short wave energy late Tue into Wed. Not a complete washout as there will be many hours of dry weather, however with PWATs +1 to +2 standard deviations can't rule out heavier downpours from time to time. Given position of mean trough over Great Lakes/OH Valley, highest pops will be across western MA/CT.

Temperatures .

Remaining warmer than normal (low 70s/low 50s) thru the weekend with heat and humidity peaking Sunday. Highs Fri 75-80, should be as warm Sat but could be slightly cooler pending how far north clouds track from offshore frontal wave. Thermal ridge then moves over southern New England Sunday with ensembles advecting +16C 850 mb air across the area and deterministic guidance offering +18C to +20C at 925 mb over the region. Conservatively this supports highs Sunday in the upper 70s to lower 80s away from the south coast, with potentially mid 80s CT and Merrimack River Valleys along with dew pts in the low to mid 60s. Definitely an airmass with a summer feel. Then for next week, with mean mid level trough axis remaining well west of New England, CAA and post frontal airmass likely holds off until mid to late next week. Thus expecting seasonal or near normal temps Mon/Tue then trending cooler Wed.

AVIATION /19Z WEDNESDAY THROUGH MONDAY/. Forecaster Confidence Levels .

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

18Z update .

High confidence through Friday

VFR. Gusty northwest winds 20 to 25 knots will diminish Wednesday evening and begin to transition to the southwest for Thursday.

KBOS Terminal . High confidence in TAF.

KBDL Terminal . High confidence in TAF. Outlook /Friday through Monday/ .

Friday through Saturday: VFR.

Saturday Night: Mainly VFR, with local IFR possible. Slight chance SHRA.

Sunday: Mainly VFR, with local MVFR possible.

Sunday Night: Mainly MVFR, with local IFR possible. Chance SHRA.

Monday: Mainly MVFR, with local IFR possible. Breezy. SHRA likely.

MARINE.

320 PM UPDATE .

Gusty winds will continue Wednesday evening and will diminish overnight. For now, small craft advisories continue through early Thursday morning for our outer most waters. With the return of high pressure wind gust will fall below small craft criteria.

Outlook /Friday through Monday/ .

Friday through Saturday: Winds less than 25 kt.

Saturday Night: Winds less than 25 kt. Seas locally approaching 5 ft. Slight chance of rain showers.

Sunday: Winds less than 25 kt. Areas of seas approaching 5 ft. Slight chance of rain showers.

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

Monday: Winds less than 25 kt. Areas of rough seas. Rain showers likely.

BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . High Surf Advisory until 8 PM EDT this evening for MAZ007-019- 020-022>024. RI . High Surf Advisory until 8 PM EDT this evening for RIZ006>008. MARINE . Small Craft Advisory until 11 PM EDT this evening for ANZ250. Small Craft Advisory until 8 PM EDT this evening for ANZ251- 256. Small Craft Advisory until 2 AM EDT Thursday for ANZ254-255.

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44090 13 mi49 min 63°F2 ft
WAXM3 - Waquoit Bay Reserve, MA 23 mi61 min S 4.1 71°F 1007 hPa56°F
BZBM3 - 8447930 - Woods Hole, MA 28 mi46 min 68°F 65°F1007.2 hPa (-0.8)
44018 - SE Cape Cod 30NM East of Nantucket, MA 30 mi56 min SW 7.8 G 7.8 65°F 5 ft1005.7 hPa (-0.9)53°F
44013 - BOSTON 16 NM East of Boston, MA 30 mi56 min WSW 7.8 G 9.7 66°F 62°F5 ft1004.4 hPa (-0.9)56°F
44020 - NANTUCKET SOUND 33 mi26 min WSW 14 G 18 64°F
FRVM3 - 8447386 - Fall River, MA 35 mi46 min 74°F 64°F1007.1 hPa (-1.1)
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 36 mi46 min WNW 14 G 19 76°F 1006.8 hPa (-1.2)
FRXM3 36 mi46 min 73°F 55°F
CHTM3 36 mi46 min WNW 6 G 11 71°F 60°F1006.2 hPa (-0.6)
BHBM3 - 8443970 - Boston, MA 40 mi46 min 78°F 60°F1004.6 hPa (-1.0)
44029 - Buoy A0102 - Mass. Bay/Stellwagen 42 mi102 min NW 9.7 G 12 67°F 1003 hPa
BUZM3 - Buzzards Bay, MA 44 mi46 min WSW 22 G 25 1008.1 hPa (-1.2)
CPTR1 - 8452944 - Conimicut Light, RI 44 mi154 min 71°F 63°F1007.6 hPa
FOXR1 - 8454000 - Providence, RI 45 mi46 min NNW 11 G 19 78°F 63°F1006.8 hPa (-1.2)
PRUR1 45 mi46 min 78°F 52°F
PVDR1 45 mi46 min WNW 7 G 13 79°F 1007 hPa (-1.1)52°F
NAXR1 - Narragansett Bay Reserve, RI 46 mi61 min NW 6 80°F 1007 hPa53°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 46 mi46 min NW 2.9 G 8.9 80°F 1007.6 hPa (-1.3)

Wind History for Borden Flats Light at Fall River, MA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Plymouth, Plymouth Municipal Airport, MA9 mi54 minWNW 910.00 miA Few Clouds77°F52°F42%1006.2 hPa
Marshfield Airport, MA14 mi51 minNW 1110.00 miA Few Clouds81°F51°F37%1005.8 hPa
Otis Air National Guard Base, MA18 mi61 minW 910.00 miFair75°F51°F44%1007.1 hPa
Provincetown Municipal Airport, MA20 mi50 minWSW 7 G 1410.00 miFair73°F55°F53%1006.1 hPa
Hyannis, Barnstable Municipal-Boardman Airport, MA22 mi50 minSW 1410.00 miPartly Cloudy75°F53°F46%1006.1 hPa
Taunton, Taunton Municipal Airport, MA24 mi54 minW 9 G 1810.00 miFair79°F51°F38%1006.2 hPa

Link to 5 minute data for KPYM

Wind History from PYM (wind in knots)
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Last 24hrNW13NW11NW10NW7NW9NW10NW7W8NW9W7W8W9W9W8W9W7W7W10W9W13W10W14
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1 day agoNE11
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NE11N6N5N4N4NW3N4N5N8N7N7N8N9NW7W5NW8N11
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2 days agoNE14
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N14NE7NE8NE7NE7NE7NE9NE8
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NE7NE8NE5W5W4CalmCalmNE9NE11
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Tide / Current Tables for Gurnet Point, Massachusetts
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Gurnet Point
Click for Map
Wed -- 04:35 AM EDT     9.52 feet High Tide
Wed -- 06:31 AM EDT     Sunrise
Wed -- 10:40 AM EDT     0.41 feet Low Tide
Wed -- 01:50 PM EDT     Moonrise
Wed -- 04:53 PM EDT     10.40 feet High Tide
Wed -- 06:37 PM EDT     Sunset
Wed -- 09:56 PM EDT     First Quarter
Wed -- 11:01 PM EDT     Moonset
Wed -- 11:24 PM EDT     -0.17 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.13.25.67.99.39.48.46.64.52.40.80.51.73.65.98.29.910.49.785.93.51.2-0.1

Tide / Current Tables for Cape Cod Canal, Massachusetts Current
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Cape Cod Canal
Click for Map
Wed -- 02:41 AM EDT     -0.06 knots Slack
Wed -- 05:33 AM EDT     -4.49 knots Max Ebb
Wed -- 06:31 AM EDT     Sunrise
Wed -- 08:38 AM EDT     0.20 knots Slack
Wed -- 11:36 AM EDT     4.17 knots Max Flood
Wed -- 01:49 PM EDT     Moonrise
Wed -- 02:57 PM EDT     -0.17 knots Slack
Wed -- 05:58 PM EDT     -4.52 knots Max Ebb
Wed -- 06:37 PM EDT     Sunset
Wed -- 09:07 PM EDT     0.20 knots Slack
Wed -- 09:56 PM EDT     First Quarter
Wed -- 11:02 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.33.72.5-1.8-3.6-4.4-4.4-3.8-2.41.83.44.14.13.72.8-0.6-3.1-4.2-4.5-4.2-3.2-1.12.83.9

Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Boston, MA
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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.