Tuesday, May21, 2019 L-36.com


Marine Weather and Tides
Hingham, MA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 5:15AMSunset 8:05PM Tuesday May 21, 2019 2:27 AM EDT (06:27 UTC) Moonrise 10:58PMMoonset 7:30AM Illumination 95% Phase: Waning Gibbous; Moon at 17 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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ANZ230 Boston Harbor- 117 Am Edt Tue May 21 2019
.small craft advisory in effect from this afternoon through late tonight...
Rest of tonight..W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Tue..W winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft.
Tue night..NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 30 kt. Waves around 2 ft.
Wed..NW winds 10 to 15 kt with gusts up to 25 kt, becoming N 5 to 10 kt in the afternoon. Waves around 2 ft.
Wed night..SE winds around 5 kt, becoming sw after midnight. Waves 1 foot or less.
Thu..S winds 5 to 10 kt. Waves 1 foot or less.
Thu night..S winds 5 to 10 kt. Waves around 2 ft. A chance of showers.
Fri..NE winds around 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of showers.
Fri night..E winds 5 to 10 kt. Waves 1 foot or less, except 2 to 4 ft at the outer harbor entrance.
Sat..S winds 5 to 10 kt. Waves 1 foot or less. A chance of showers.
Sat night..SW winds around 10 kt. Waves 1 foot or less. 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 117 Am Edt Tue May 21 2019
Synopsis for massachusetts and rhode island coastal waters.. As low pres moves E of southern quebec, it will drag a cold front across the waters overnight. Low pres will continue to intensify Tue as it moves E across the canadian maritimes, resulting in a period of strong nw wind gusts. High pres then builds in from the W Tue night and Wed before moving E of the waters Wed night and Thu. Low pres then may track across the waters late Thu into early Fri, with brief high pres following later on Fri before shifting E of the waters on Sat. 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 Hingham CDP, MA
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location: 42.26, -70.89     debug


Area Discussion for - Boston, MA
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Fxus61 kbox 210557
afdbox
area forecast discussion
national weather service boston norton ma
157 am edt Tue may 21 2019

Synopsis
Drier and cooler air builds in overnight behind a cold front.

Seasonable weather with windy conditions Tuesday. Dry weather
continues Wednesday into Thursday with less wind, then a period
of showers will likely impact the region sometime late Thursday
into early Friday. Summer like warmth may return by the end of
next weekend.

Near term until 6 am this morning
155 am update...

cold front has moved off the coast with much drier air moving
into the region. Dewpoints already down into the 40s in the
interior and these lower dewpoints will move to the coast during
the next few hours.

Short term 6 am this morning through 6 pm Wednesday
Tuesday into Tuesday night ...

cool, dry airmass in place. Scattered cloud decks developing as
the boundary layer becomes well mixed with highs getting up to
around 70 degrees. Momentum mix down along with drier air,
looking at dewpoints in the 30s and NW wind gusts up around 20
to 25 mph. Should winds subside during the evening and overnight
periods, then perhaps radiational cooling could proceed,
especially over N W ma and ct sheltered valleys allowing
temperatures to drop into the upper 30s.

Long term Wednesday night through Monday
Highlights...

* dry and pleasant Wed into Thu with less wind
* a period of showers possible late Thu into early fri
* summer like warmth may return next Sunday-Monday
details...

Wednesday...

pleasant day Wednesday as surface high pressure moves in with a
building ridge at the mid levels. Winds come down from Tuesday and
should be light with a relaxed pressure gradient. Plenty of Sun to
be had, and high temperatures expected to climb into the upper 60s.

Thursday and Friday...

Thursday will be mostly dry as the ridge axis crosses southern new
england, but our next shot of rain comes late in the day through the
overnight hours. A shortwave riding over the ridge moves through
Thursday night bringing increased moisture in the form of clouds
during the day Thursday, and increasing risk of showers Thursday
evening through at least early Friday. Ahead of the low, pwats top
1.5" with plenty of low level forcing given a 35-40kt LLJ at 925mb.

System moves off to the southeast and rain comes to an end later
Friday. Placement of the low over sne or just to the east will bring
easterly winds Friday and cooler than average temps in the low 60s
(50s along the coast).

Saturday through Monday...

behind Friday's departing system we see building high pressure and
the return of mid level ridging. This should lead to a dry and sunny
Saturday before a low over qc swings a cold front through Saturday
night into Sunday bringing another chance of rain. Uncertainty
increases for the far extended forecast, but trends are toward a
warmer and mostly dry forecast late Sunday into Monday under
building high pressure. Temps look to reach into the 70s each day.

Aviation 06z Tuesday through Saturday
Forecaster confidence levels...

low - less than 30 percent.

Moderate - 30 to 60 percent.

High - greater than 60 percent.

Short term through Wednesday ... High confidence.

Through 12z...VFR. NW gusts to 25 kt over higher terrain.

Today and tonight...VFR. NW gusts 25-35 kt developing today,
strongest across northern ma and peaking late afternoon. Winds
gradually diminish tonight but remain gusty along the eastern ma
coast and CAPE islands.

Wednesday...VFR. N wind gusts to 25 kt CAPE islands early, then
diminishing.

Kbos terminal... High confidence in taf.

Kbdl terminal... High confidence in taf.

Outlook Wednesday night through Saturday ...

Wednesday night:VFR.

Thursday:VFR. Breezy. Chance shra.

Thursday night: mainlyVFR, with local ifr possible. Breezy.

Chance shra, isolated tsra.

Friday: mainlyVFR, with local ifr possible. Windy with local
gusts up to 30 kt. Slight chance shra.

Friday night:VFR.

Saturday:VFR. Chance shra.

Marine
Forecaster confidence levels...

low - less than 30 percent.

Moderate - 30 to 60 percent.

High - greater than 60 percent.

Short term through Wednesday ... High confidence.

4 pm update ...

today...

sw winds sustained around 15 kts with gusts around 20 kts. Seas of
3 to 6 feet. Isolated to scattered showers and thunderstorms
approaching the waters towards evening. Keep with present small
craft headlines, dropping boston harbor and massachusetts bay
with the expectation of remaining just below criteria.

Tonight...

isolated to scattered showers and thunderstorms along a sweeping
cold front. Some could be strong, especially for the e-waters off
of ma. Frequent lightning. SW winds continuing with sustained around
15 kts, gusts around 20 kts, backing out of the NW behind the cold
front pushing through this evening. Seas around 3 to 6 feet. Maybe
some renewed fog along the S SE coast before the cold front sweeps
through.

Tuesday into Tuesday night ...

breezy NW winds. Gusts up to 30 kts possible over the E waters.

Can't rule out attendant wave heights 5-7 feet.

Outlook Wednesday night through Saturday ...

Wednesday: low risk for small craft advisory winds with gusts
up to 25 kt. Local rough seas.

Wednesday night: winds less than 25 kt.

Thursday: winds less than 25 kt. Chance of rain showers.

Thursday night: winds less than 25 kt. Seas up to 5 ft. Chance
of rain showers, isolated thunderstorms.

Friday: low risk for small craft advisory winds with gusts up
to 30 kt. Areas of rough seas. Chance of rain showers.

Friday night: winds less than 25 kt. Local rough seas.

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

Box watches warnings advisories
Ct... None.

Ma... None.

Ri... None.

Marine... Small craft advisory from 8 am this morning to 2 am edt
Wednesday for anz230.

Small craft advisory from 2 pm this afternoon to 8 pm edt this
evening for anz236.

Small craft advisory from 2 pm this afternoon to 8 am edt
Wednesday for anz250-251-254.

Small craft advisory until 8 am edt Wednesday for anz255-256.

Synopsis... Sipprell bw
near term... Kjc
short term... Sipprell
long term... Bw
aviation... Kjc bw
marine... Sipprell bw


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BHBM3 - 8443970 - Boston, MA 11 mi51 min 1005.4 hPa
44013 - BOSTON 16 NM East of Boston, MA 14 mi37 min WNW 16 G 18 60°F 52°F1 ft1004 hPa (+0.8)51°F
44029 - Buoy A0102 - Mass. Bay/Stellwagen 25 mi143 min W 9.7 G 12 56°F 53°F2 ft1002.2 hPa
44018 - SE Cape Cod 30NM East of Nantucket, MA 40 mi37 min W 16 G 18 56°F 2 ft1003.7 hPa (-0.3)56°F
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 41 mi39 min NW 6 G 12 1006 hPa
FOXR1 - 8454000 - Providence, RI 41 mi39 min N 5.1 G 12 60°F1005.6 hPa
FRVM3 - 8447386 - Fall River, MA 41 mi45 min 58°F1006.4 hPa
44090 42 mi57 min 51°F1 ft
FRXM3 42 mi63 min 63°F 60°F
CPTR1 - 8452944 - Conimicut Light, RI 45 mi39 min NW 16 G 19 62°F1006.1 hPa
NAXR1 - Narragansett Bay Reserve, RI 49 mi102 min WNW 5.1 62°F 1006 hPa61°F

Wind History for Borden Flats Light at Fall River, MA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Boston, Logan International Airport, MA11 mi33 minWNW 16 G 2410.00 miPartly Cloudy68°F48°F49%1005 hPa
East Milton, MA12 mi31 minWNW 16 G 25 mi59°F50°F72%1005.9 hPa
Norwood, Norwood Memorial Airport, MA16 mi34 minWNW 11 G 1810.00 miFair65°F46°F52%1005.6 hPa
Marshfield Airport, MA16 mi32 minNW 410.00 miFair64°F60°F88%1005.1 hPa
Beverly, Beverly Municipal Airport, MA22 mi34 minWNW 13 G 1910.00 miPartly Cloudy64°F46°F54%1004.1 hPa

Wind History from BOS (wind in knots)
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2 days agoW7W8NW9NW11NW9NW8NW11NW12
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3S10SE11E16E18E16E15E12E8E8E8E9E5S6

Tide / Current Tables for Crow Point, Hingham Harbor entrance, Massachusetts
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Crow Point
Click for Map
Tue -- 01:25 AM EDT     11.08 feet High Tide
Tue -- 05:17 AM EDT     Sunrise
Tue -- 07:30 AM EDT     Moonset
Tue -- 07:52 AM EDT     -0.76 feet Low Tide
Tue -- 02:04 PM EDT     9.71 feet High Tide
Tue -- 08:01 PM EDT     0.61 feet Low Tide
Tue -- 08:03 PM EDT     Sunset
Tue -- 10:57 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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9.61110.99.67.44.82-0.1-0.70.224.478.99.79.27.85.73.41.40.61.33.15.3

Tide / Current Tables for Boston Harbor, Massachusetts Current
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Boston Harbor
Click for Map
Tue -- 01:08 AM EDT     -0.00 knots Slack
Tue -- 05:17 AM EDT     Sunrise
Tue -- 05:23 AM EDT     -1.45 knots Max Ebb
Tue -- 07:30 AM EDT     Moonset
Tue -- 07:44 AM EDT     0.00 knots Slack
Tue -- 10:59 AM EDT     1.30 knots Max Flood
Tue -- 01:39 PM EDT     -0.00 knots Slack
Tue -- 05:48 PM EDT     -1.24 knots Max Ebb
Tue -- 08:00 PM EDT     0.00 knots Slack
Tue -- 08:04 PM EDT     Sunset
Tue -- 10:57 PM EDT     Moonrise
Tue -- 11:13 PM EDT     1.28 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.1-0.5-1-1.3-1.4-1.4-0.80.311.21.31.10.4-0.2-0.7-1-1.2-1.2-0.9-00.91.21.3

Weather Map and Satellite Images
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GOES Local Image of Northeast    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.
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Wind Forecast for Boston, MA (2,6,7,8)
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Ground Weather Radar Station Boston, MA
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Disclaimer:
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 numerious 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.