Wednesday, September23, 2020
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Marine Weather and Tides
Teaticket, 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 6:29AMSunset 6:37PM Wednesday September 23, 2020 3:22 PM EDT (19:22 UTC) Moonrise 1:49PMMoonset 11:04PM 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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ANZ233 Vineyard Sound- 116 Pm Edt Wed Sep 23 2020
This afternoon..W winds around 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Tonight..W winds 10 to 15 kt with gusts up to 20 kt, becoming nw 5 to 10 kt after midnight. Seas 2 to 3 ft.
Thu..NW winds 5 to 10 kt, becoming sw in the afternoon. Seas around 2 ft.
Thu night..SW winds 5 to 10 kt. Seas around 2 ft.
Fri and Fri night..SW winds 5 to 10 kt. Seas around 2 ft.
Sat through Sun..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Sun night..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 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 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 Teaticket, MA
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location: 41.55, -70.57     debug


Area Discussion for - Boston, MA
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FXUS61 KBOX 231741 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 141 PM EDT Wed Sep 23 2020

SYNOPSIS. Post-tropical Cyclone Teddy will quickly move past the Canadian Maritimes today. A high pressure over the Mid Atlantic and central Appalachians today will slowly move offshore this week. Gusty winds will diminish later today. Warmer but continued dry weather will likely last into Saturday. A pattern change toward showery weather arrives later Sunday into next week, with much needed rainfall arriving. Although there will also be many hours of dry weather during this time.

NEAR TERM /UNTIL 6 PM THIS EVENING/. 2 PM UPDATE .

No significant changes were made with this update.

Previous Discussion .

With the departure of Teddy through the Canadian Maritimes, a high pressure across the Mid Atlantic states will maintain a modest pressure gradient across southern New England. Plenty f sunshine today will result in decent mixing, with gusty winds continuing, although not nearly as strong as yesterday.

With less cloud cover and more of an offshore wind today, temperatures will recover more quickly than yesterday, especially with some downsloping. above normal temperatures expected today

See sections further down for items about the Fire Weather and Coastal Flooding concerns.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM THURSDAY/. Mainly high pressure in control through Thursday. Dry weather continues with less wind. Winds turn west tonight, then southwest Thursday. Above normal temperatures continue.

LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/. Highlights .

* Warmer than average through the weekend

* Dry pattern continues into Saturday. A pattern chance comes late weekend into next week bringing periodic rain chances.

Details .

Thursday night through Saturday .

The quiet and dry weather pattern holds steady through at least the end of the week and likely into the first half of the weekend. At the mid levels flow remains generally zonal with a moisture starved shortwave or two moving through the flow, lacking enough moisture to bring with it any real chance of rain. Maritime high pressure building north and west will direct mild SW flow into southern New England along with marginally warmer dewpoints. This with the westerly flow aloft will keep temperatures above average through the weekend, in the upper 70s. Low temperatures will be mild, especially Saturday night into Sunday owing to the increasing dewpoints (into the low 60s). The ECMWF continues to depict a quicker return of rain chances (as early as Saturday morning) as shortwave energy passes close enough to impact us, while the GFS shunts it farther to the south. For now, sticking with a dry forecast in line with the GFS ensemble guidance.

Sunday through Tuesday .

A decidedly different (read: wetter) pattern is on tap for much of next week as a large upper level trough settles over the eastern U.S. EPS and GEFS 500 mb height anomalies are in good agreement that we'll see a robust ridge set up over the west coast with troughing further east. The first, shallower trough digs in around late Monday/Tuesday pulling moisture/rainfall up the east coast into our area, followed by a deeper trough toward mid week which would again mean wet weather. Plenty of uncertainty remains on details but overall next week is looking unsettled with potential for our next shot of colder air not until late in the week.

AVIATION /18Z WEDNESDAY THROUGH MONDAY/. Forecaster Confidence Levels .

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

18Z update .

Overall no major changes to the forecast. Gusty afternoon winds will diminish this evening, transitioning from a northwest wind to a southwest wind See the previous discussion below.

High confidence through Thursday.

VFR. Gusty winds of 20-25 kt this afternoon. Winds diminish tonight, then turn more southwest for Thursday.

KBOS Terminal . High confidence in TAF.

KBDL Terminal . High confidence in TAF. Outlook /Thursday Night through Sunday/ .

Thursday Night through Saturday: VFR.

Saturday Night: Mainly VFR, with local MVFR possible.

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

MARINE. Post-tropical cyclone Teddy will move through the Maritimes today. Winds will continue to diminish today. Based on latest observations, downgraded the remaining Gale Warnings to Small Craft Advisories early this morning.

Otherwise, Small Craft Advisories continue for a while longer. Thinking seas will take longer to subside, so extended into this evening across most waters. Winds and seas subside tonight into Thursday.

Outlook /Thursday Night through Sunday/ .

Thursday Night through Saturday: Winds less than 25 kt.

Saturday Night: Winds less than 25 kt. Slight chance of rain showers.

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

FIRE WEATHER. Relative humidity values and winds will not quite reach the thresholds for another Red Flag Warning. After coordinating with state fire agency partners, will issue a Special Weather Statement to highlight the elevated fire danger due to low relative humidity and gusty winds.

TIDES/COASTAL FLOODING. Lingering swell and wave energy from Post-tropical Cyclone Teddy will continue to impact the southern New England coast with rough surf today. High Surf Advisory continues for the southern New England coast, with the greatest concern along the east coast of MA.

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 . Belk/BW NEAR TERM . Belk/Gaucher SHORT TERM . Belk LONG TERM . BW AVIATION . Belk/Gaucher MARINE . Belk/BW FIRE WEATHER . TIDES/COASTAL FLOODING .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WAXM3 - Waquoit Bay Reserve, MA 3 mi97 min WSW 2.9 72°F 1007 hPa55°F
BZBM3 - 8447930 - Woods Hole, MA 6 mi52 min 68°F 65°F1007.4 hPa
44020 - NANTUCKET SOUND 16 mi32 min WSW 9.7 G 14 64°F2 ft
44090 24 mi25 min 63°F2 ft
BUZM3 - Buzzards Bay, MA 27 mi82 min WSW 23 G 24 1008.4 hPa (-1.2)
NTKM3 - 8449130 - Nantucket Island, MA 31 mi52 min WSW 7 G 14 68°F 60°F1007.3 hPa
FRVM3 - 8447386 - Fall River, MA 33 mi52 min 74°F 64°F1007.2 hPa
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 34 mi52 min W 13 G 16 75°F 1007 hPa
CHTM3 34 mi52 min SW 5.1 G 9.9 70°F 60°F1006.3 hPa
FRXM3 34 mi52 min 72°F 55°F
PRUR1 39 mi52 min 77°F 51°F
NWPR1 - 8452660 - Newport, RI 40 mi52 min SSW 15 G 21 67°F 64°F1007.2 hPa
NAXR1 - Narragansett Bay Reserve, RI 41 mi97 min NW 6 80°F 1008 hPa53°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 41 mi52 min NW 5.1 G 14 78°F 1007.7 hPa
CPTR1 - 8452944 - Conimicut Light, RI 43 mi130 min 71°F 63°F1007.6 hPa
QPTR1 - 8454049 - Quonset Point, RI 44 mi52 min W 12 G 17 76°F 63°F1007.3 hPa
PVDR1 46 mi52 min WNW 11 G 17 79°F 1007.1 hPa51°F
FOXR1 - 8454000 - Providence, RI 47 mi52 min NW 13 G 17 77°F 63°F1006.9 hPa

Wind History for Nantucket Island, MA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Otis Air National Guard Base, MA8 mi37 minW 910.00 miFair75°F51°F44%1007.1 hPa
Marthas Vineyard Airport, MA10 mi29 minWSW 11 G 1710.00 miFair73°F53°F50%1007.3 hPa
Hyannis, Barnstable Municipal-Boardman Airport, MA18 mi26 minSW 1410.00 miPartly Cloudy75°F53°F46%1006.1 hPa
New Bedford, New Bedford Regional Airport, MA23 mi29 minWNW 8 G 1810.00 miA Few Clouds80°F51°F37%1006.2 hPa

Link to 5 minute data for KFMH

Wind History from FMH (wind in knots)
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--------NW12NW10NW10NW10NW10NW10NW10NW10NW10NW6NW7NW10NW10
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1 day agoNE19
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NE12NE10NE8NE8NE6NE6NE6NE6NE6N10N10N10N8N10
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Tide / Current Tables for Falmouth Heights, Nantucket Sound, Massachusetts
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Falmouth Heights
Click for Map
Wed -- 04:15 AM EDT     1.39 feet High Tide
Wed -- 06:31 AM EDT     Sunrise
Wed -- 10:22 AM EDT     0.06 feet Low Tide
Wed -- 01:49 PM EDT     Moonrise
Wed -- 04:33 PM EDT     1.52 feet High Tide
Wed -- 06:37 PM EDT     Sunset
Wed -- 09:56 PM EDT     First Quarter
Wed -- 11:03 PM EDT     Moonset
Wed -- 11:06 PM EDT     -0.03 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.60.91.21.41.31.20.90.60.30.10.10.30.611.31.51.51.31.10.70.40.1-0

Tide / Current Tables for Woods Hole, Massachusetts Current (use with caution)
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Woods Hole
Click for Map
Wed -- 12:57 AM EDT     3.69 knots Max Flood
Wed -- 03:46 AM EDT     -0.09 knots Slack
Wed -- 06:16 AM EDT     -3.75 knots Max Ebb
Wed -- 06:31 AM EDT     Sunrise
Wed -- 09:36 AM EDT     0.00 knots Slack
Wed -- 01:26 PM EDT     3.43 knots Max Flood
Wed -- 01:49 PM EDT     Moonrise
Wed -- 04:06 PM EDT     -0.02 knots Slack
Wed -- 06:37 PM EDT     Sunset
Wed -- 06:40 PM EDT     -3.75 knots Max Ebb
Wed -- 09:56 PM EDT     First Quarter
Wed -- 10:06 PM EDT     0.17 knots Slack
Wed -- 11:04 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.53.73.42.5-1.3-3.1-3.7-3.6-2.8-1.61.32.433.43.42.81-2.6-3.6-3.7-3.2-2.2-0.62

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.