Friday, November16, 2018 L-36.com


Marine Weather and Tides
East Providence, RI

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 6:35AMSunset 4:25PM Friday November 16, 2018 11:32 AM EST (16:32 UTC) Moonrise 2:25PMMoonset 12:24AM Illumination 62% Phase: Waxing Gibbous; Moon at 9 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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ANZ236 Narragansett Bay- 934 Am Est Fri Nov 16 2018
.small craft advisory in effect until 3 pm est this afternoon...
This afternoon..NW winds 15 to 20 kt with gusts up to 30 kt. Waves around 3 ft, except 9 to 10 ft at the bay entrance. Rain likely early.
Tonight..W winds 10 to 15 kt with gusts up to 25 kt. Waves around 3 ft. At the bay entrance, waves around 8 ft, subsiding to 5 ft after midnight.
Sat..W winds 5 to 10 kt with gusts up to 20 kt. Waves around 3 ft.
Sat night..W winds 5 to 10 kt. Waves around 2 ft.
Sun..N winds 5 to 10 kt. Waves around 2 ft.
Sun night..E winds around 5 kt, becoming S after midnight. Waves around 2 ft. A chance of showers.
Mon..W winds 5 to 10 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers in the morning.
Mon night..NW winds around 10 kt with gusts up to 20 kt. Waves around 2 ft.
Tue..NW winds 5 to 10 kt. Waves around 2 ft.
Tue night..NW winds 5 to 10 kt. Waves 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 934 Am Est Fri Nov 16 2018
Synopsis for massachusetts and rhode island coastal waters.. A coastal storm moves moves across southeast new england by midday and then moves off to the maritimes. This will bring strong winds to the waters this morning and midday. High pressure returns for the weekend. A cold front passes across the waters on Sunday. 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 East Providence, RI
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location: 41.8, -71.38     debug


Area Discussion for - Boston, MA
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Fxus61 kbox 161458
afdbox
area forecast discussion
national weather service boston norton ma
958 am est Fri nov 16 2018

Synopsis
Rain will come to an end through early afternoon... But will
change to a brief burst of snow in some locales across the
interior before ending. Dry and chilly weather move in this
afternoon and remain through the weekend as high pressure builds
in. Weak low pressure may bring patchy light rain and or snow
late Sunday into Monday. Another shot of colder air moves in by
the middle of next week, though it should be mainly dry.

Near term until 6 pm this evening
955 am update...

associated low pressure system and its closed mid level
circulation were tracking across southeast new england this
morning. Wrap around precipitation in the form of rain was
impacting much of the region... But colder temperatures aloft
were working back into portions of the interior. The result was
rain was changing back to snow in some locations. Although the
heavier bands were somewhat disorganized... Some locales mainly
across interior ma and ct may see a brief burst of moderate to
heavy snow. An additional one half to two inches of snow may
impact portions of the region through lunchtime. This may result
in some roads becoming briefly slippery and we did issue a
special weather statement. Across eastern ma and ri... Ptype
will mainly be rain but some wet flakes may mix in at the end.

All the precipitation should pretty much be over by early
afternoon as the low departs. Clouds will hang tough through
most of the afternoon with gusty northwest winds. Temperatures
generally be in the 30s.

We canceled most of the wind headlines... Except for the
cape nantucket where they may flirt with criteria through lunch
time. Also... Left the winter weather advisory for the berks but
maybe able to cancel it a few hours early based on trends.

Short term 6 pm this evening through Saturday night
A broad upper trough lingers over hudson bay through Saturday
night. Several shortwaves move through this flow and over
southern new england. 500-mb heights remain near to below
normal through the period. Normal values are 557 to 563
decameters, while forecast values are in the 540s today and
550-555 Saturday.

One shortwave moves across southern new england early tonight.

This may be enough to generate scattered snow showers,
especially across northern massachusetts. These snow showers
should move out of state before midnight.

Cold advection will maintain some level of mixing tonight and
Saturday. Low level winds will be 30-35 kts tonight and 20-25
kts Saturday. Expect most or all of this wind to mix to the
surface in gusts tonight and Saturday.

Moisture cross sections show diminishing moisture aloft on
Saturday. This suggests a dry day, allowing for sunshine.

Temperatures upstream are in the upper 20s and lower 30s... This
should suffice for tonight's min temps. Mixing on Saturday
should reach 925 mb, where temps will support MAX surface temps
in the 40s. Min temps farther upstream point to Saturday night
mins in the mid 20s to lower 30s.

Long term Sunday through Thursday
Highlights...

* no changes to Thursday afternoon long term forecast for this
period.

* below average temperatures persist
* weak low pressure brings periods of rain and snow late Sun into
mon
* dry and cold mid week
overview...

the extended forecast features a few high pressure systems sandwiched
around a relatively weak low pressure disturbance or two in the
Sunday night Monday time frame which will bring the return of
both rain and snow chances. Model consensus is good that the
flow pattern becomes much less amplified and more zonal behind
Friday's system, persisting through late weekend. By then a mid
level shortwave digs south, crossing the region Sunday Monday
which will generate a weak surface low in the vicinity of sne
with another round of light snow rain. Beyond this, models
diverge a bit, with the GFS keeping things unsettled into
Tuesday before the high returns, while the euro returns a dry
high pressure more quickly. Either way, by mid to late week
heights begin to rise ever so slightly and a cold and dry
pattern returns.

Details...

Sunday and Monday...

Sunday high pressure sits over the northeast with light winds and
highs in the upper 30s-40s under a cold airmass; should be a mostly
dry day before snow rain chances increase from the west by the
evening overnight hours. The upper trough over canada digs south
helping to generate a surface low in the vicinity of sne which
brings weak fronts through in quick succession Sunday
night Monday. Still expecting mainly snow outside the coastal
plain, with rain along the coasts. QPF amounts are lackluster; a
few hundredths to a few tenths of liquid equivalent.

Tuesday through Thursday...

after the system exits zonal flow returns at the base of a large 500
mb trough over the eastern us Tuesday early Wednesday. Some
disagreement on slight precip chances Tuesday, but overall looks
dry; maybe some showers over the high terrain. By mid week a
surface high returns bringing dry weather. Given the overall
weak longwave trough pattern, cold temperatures will persist
with highs in the 30s and low 40s.

Aviation 15z Friday through Tuesday
Forecaster confidence levels...

low - less than 30 percent.

Moderate - 30 to 60 percent.

High - greater than 60 percent.

Short term through Saturday night ...

rest of today... Moderate to high confidence. Ifr to low end
MVFR conditions in rain and some interior snow should come to an
end by early afternoon. MVFR CIGS will likely persist as winds
shift to the northwest with gusts of 20 to 30 knots.

Tonight...VFR. Gusty west winds 20 to 25 kt.

Saturday...VFR. Gusty west winds near 20 kt, diminishing
Saturday night.

Kbos terminal... Moderate to high confidence in taf.

Kbdl terminal... Moderate to high confidence in taf.

Outlook Sunday through Tuesday ...

Sunday: mainlyVFR, with local ifr possible. Slight chance sn.

Sunday night: mainly ifr, with local MVFR possible. Chance sn,
slight chance ra.

Monday: MVFR ifr conditions possible. Breezy. Chance sn, slight
chance ra.

Marine
Forecaster confidence levels...

low - less than 30 percent.

Moderate - 30 to 60 percent.

High - greater than 60 percent.

Short term through Saturday night ... High confidence.

Today... We downgraded the remaining storm headlines to gales
with strong small craft across boston harbor narr bay. Seas
remain quite high though as strong easterly flow as buoy 44013
was still at 18 feet. Seas will gradually lower as winds shift
to the west... But they will remain quite high.

Tonight... West winds at 20 kt gusting to 30 kt. Seas 8 to 12
feet slowly subsiding during the night.

Saturday... West winds gusting 20 to 25 kt. Seas slowly
diminishing, but the outer waters will remain with 5 foot seas.

Saturday night... Winds less than 25 kt. Seas diminishing below
5 feet on the outer waters.

Outlook Sunday through Tuesday ...

Sunday: winds less than 25 kt. Seas locally approaching 5 ft.

Sunday night: winds less than 25 kt. Slight chance of rain.

Local visibility 1 to 3 nm.

Monday: winds less than 25 kt. Areas of seas approaching 5 ft.

Slight chance of rain.

Box watches warnings advisories
Ct... None.

Ma... Wind advisory until noon est today for maz022-024.

Winter weather advisory until 3 pm est this afternoon for
maz002-008-009.

Ri... None.

Marine... Gale warning until 3 pm est this afternoon for anz231>235-237-
250-251-254>256.

Small craft advisory until 3 pm est this afternoon for anz230-
236.

Synopsis... Frank wtb bw
near term... Frank
short term... Wtb
long term... Bw
aviation... Frank wtb bw
marine... Frank wtb bw


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PVDR1 1 mi32 min N 19 G 25 42°F 995.4 hPa (-1.2)41°F
CPTR1 - 8452944 - Conimicut Light, RI 6 mi32 min N 22 G 27 43°F 46°F994.4 hPa (-1.6)
NAXR1 - Narragansett Bay Reserve, RI 11 mi47 min N 8 42°F 996 hPa41°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 11 mi38 min N 8.9 G 13 43°F 995.6 hPa
FRVM3 - 8447386 - Fall River, MA 13 mi38 min 44°F 52°F995.9 hPa
FRXM3 13 mi32 min 44°F 42°F
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 13 mi32 min NNW 14 G 22 44°F 995.3 hPa (+0.6)
QPTR1 - 8454049 - Quonset Point, RI 15 mi38 min N 18 G 22 43°F 47°F994.5 hPa
NWPR1 - 8452660 - Newport, RI 21 mi32 min N 17 G 25 44°F 46°F994.5 hPa (+0.6)
BUZM3 - Buzzards Bay, MA 33 mi32 min NNW 27 G 31 46°F 993.9 hPa (-0.0)
BZBM3 - 8447930 - Woods Hole, MA 42 mi32 min 48°F 48°F992.8 hPa (+1.3)
BHBM3 - 8443970 - Boston, MA 42 mi32 min 36°F 997 hPa (-1.2)
WAXM3 - Waquoit Bay Reserve, MA 48 mi47 min 5.1 51°F 992 hPa50°F
NLNC3 - 8461490 - New London, CT 48 mi32 min NNW 7 G 13 39°F 44°F998.1 hPa (+3.3)

Wind History for Providence, RI
(wind in knots)    EDIT      (on/off)   Help
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NW11
G20
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G18
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N9
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G15
NE11
G15
NE7
G11
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NE6
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N15
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N12
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NW7
G15
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G14
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G24
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G24
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G20
N7
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NW11
G15
W5
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G13
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G16
NW12
G27
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E4
NE2
SW11
G16
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G19
S14
G18
S12
G17
S5
G8
S3
NE6
N11
G19

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Providence, Theodore Francis Green State Airport, RI6 mi41 minN 15 G 2210.00 miOvercast42°F39°F89%996.2 hPa
Pawtucket, North Central State Airport, RI8 mi36 minN 10 G 249.00 miUnknown Precip36°F34°F93%991.3 hPa
N. Kingston / Quonset, RI13 mi42 minNE 12 G 2212.00 miMostly Cloudy43°F39°F87%994.6 hPa
Newport, Newport State Airport, RI19 mi39 minNNW 14 G 2410.00 miOvercast43°F41°F93%995 hPa
Taunton, Taunton Municipal Airport, MA20 mi40 minN 15 G 2510.00 miOvercast45°F41°F86%994.8 hPa
New Bedford, New Bedford Regional Airport, MA23 mi39 minNNW 10 G 2110.00 miOvercast45°F45°F100%994.3 hPa

Wind History from PVD (wind in knots)
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Last 24hrN5N6E7NE8NE9NE11NE8NE10NE11NE8NE9NE12NE12NE14
G24
NE19
G27
E17NE11NE13
G22
NE12N9NW9N20
G26
N18N15
G22
1 day agoNW17
G26
NW17
G28
NW21
G26
NW17
G29
NW12
G21
NW15
G23
NW6NW8
G17
NW7N7N9N6N8N9N7N6N8N5N7NE5NE4N4N7N6
2 days agoS6W3NW10NW8NW13
G18
NW13
G17
NW13
G22
NW12NW10
G18
NW7W11
G18
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G31
NW12
G22
NW15
G24
NW14
G22
NW13
G20
NW9W8W8SW5W9NW13
G21
NW14
G21
NW14
G24

Tide / Current Tables for Providence, State Pier no.1, Narragansett Bay, Rhode Island
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Conimicut Light, Narragansett Bay, Rhode Island
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Weather Map and Satellite Images
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wmap_A
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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Boston, MA (11,2,3,4)
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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.