Sunday, December15, 2019
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Marine Weather and Tides
East Providence, RI

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:04AMSunset 4:16PM Sunday December 15, 2019 10:51 AM EST (15:51 UTC) Moonrise 8:55PMMoonset 11:08AM Illumination 84% Phase: Waning Gibbous; Moon at 19 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- 716 Am Est Sun Dec 15 2019
.gale warning in effect until 7 pm est this evening...
Today..W winds 15 to 20 kt with gusts up to 40 kt. Waves around 3 ft, except 5 to 8 ft at the bay entrance.
Tonight..W winds 15 to 20 kt with gusts up to 40 kt, diminishing to 10 to 15 kt with gusts up to 30 kt after midnight. Waves 2 to 3 ft, except 4 to 7 ft at the bay entrance.
Mon..W winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves 2 to 3 ft.
Mon night..NW winds around 5 kt, becoming ne after midnight. Waves around 2 ft. Rain with a chance of snow. Vsby 1 to 3 nm.
Tue..NE winds around 10 kt. Gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. Patchy fog. Rain. Vsby 1 to 3 nm.
Tue night..NW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of rain. Vsby 1 to 3 nm.
Wed through Thu night..NW winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 3 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 716 Am Est Sun Dec 15 2019
Synopsis for massachusetts and rhode island coastal waters.. Powerful low pres will lift north through eastern canada today, resulting in strong westerly gales into this evening. High pres builds briefly over the waters on Mon, then is followed by a storm system approaching from the southwest Mon night. This low will lift northeast and pass over the southern waters on Tue. Westerly gales possible Wed into Wed night. Large high pres over central canada will then shift into eastern canada by next Fri. 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 151531 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 1031 AM EST Sun Dec 15 2019

SYNOPSIS. Mainly dry but windy weather is on tap for the region today. Low pressure moves out of the mid Mississippi and Ohio River valleys Monday. This low will push south of the region Monday night and Tuesday, bringing light snow, ice and rain. An arctic front moves across Wednesday with patchy light snow across western areas as well as Cape Cod and the islands. Dry conditions move in for late this week, with very cold temperatures on Thursday, then readings may moderate a little on Friday.

NEAR TERM /UNTIL 6 PM THIS EVENING/. 1000 AM Update:

Pretty blustery day already out there today in the wake of a powerful cyclone now making its way thru Quebec. W/NW gusts expected to increase a bit with more cloud breaks late in the day. Until then, looking at more clouds than sun as Great Lakes- enhanced shallow moisture on WNW 925-700 mb winds continues to foster periods of cold air stratocu. Winds have been gusting pretty solidly in the 30 to 40 mph range, though into the Advisory range at Worcester. With cold advection and only peeks of sun, look for temperatures to hover or only slowly rise a couple degrees from current readings today, but the winds will make it feel colder.

Prior discussion from earlier this morning:

* Westerly wind gusts of 40 to 50 mph today.

Powerful low pressure dropping below 970 mb will continue to lift northward through eastern Canada today. The resultant pressure gradient along with steepening lapse rates with the cold pool aloft will result in windy conditions today. Bufkit soundings continue to support 40 to 50 mph wind gusts across much of the region. Therefore, Wind Advisories will continue for most areas north of the CT/RI and MA border. We will come close to meeting criteria across CT/RI too, but not confident enough to extend southward at this time. Regardless, 40 to 50 mph wind gusts expected today with the strongest across the high terrain as well as as portions of the Cape/Islands.

Impressive cold pool aloft will result in a scattered to broken deck of cloudiness, but still expect peeks of sunshine. Westerly flow coupled with steep lapse rates and lake moisture will result in scattered snow showers in the Berks. Across the rest of our region, dry weather will dominate but a few passing sprinkles/flurries can not be ruled out given the steep lapse rates.

High temps will range from the upper 30s in the high terrain, to the lower to middle 40s elsewhere. Although it will feel colder given the windy conditions.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM MONDAY/. Tonight .

The powerful low pressure system will lift further into northern Canada and the pressure gradient begins to relax. Westerly wind gusts of 35 to 45 mph are still possible into the first half of the evening, but should see a downward trend especially after midnight as a ridge of high pressure gradually builds in from the west. Low temps are expected to drop into the upper teens to middle 20s in most locations by daybreak Monday in the cold air advection pattern.

Monday .

A ridge of high pressure over our region will keep us dry during the day on Monday. We will see some mid level cloudiness overspread the region in advance of low pressure lifting northeast across the mid Atlantic. High temps will be colder than today, remaining in the 30s but with much less wind than today.

LONG TERM /MONDAY NIGHT THROUGH SATURDAY/. Highlights .

* Confidence moderate to high for a plowable snow as well as icy roads, Monday night through Tuesday, with the best chance across interior MA/CT into northern RI. Impact to the Tuesday AM commute from snow, sleet and/or freezing rain. Details remain uncertain on snow and ice accumulations which will depend upon the thermal structure and precipitation type changes. * Scattered snow showers from midday Wednesday into early evening ahead of Arctic cold front, with some snow squalls possible.

* Temperatures fall to between 10 and 20 degrees below normal late Wednesday night and Thursday with Wind Chill values from zero to around -10 possible.

* Some gradual temperature moderation on Friday, but readings remain below normal. Details .

Monday Night Through Tuesday Night:

** Confidence Continues to Increase for Winter Weather conditions Monday Night through Tuesday **

Light west winds will linger across the region Monday night as low pressure moves slowly E out of the Ohio and central Appalachians. With a generally flat mid level flow, which will start to tilt SW as a long wave trough digs across the central and western Plains, will see leading edge of light snow will push S-N across CT/RI Monday evening.

Noting a classic cold dome of air lingering across the region Mon night, while milder air will ride above it. This will allow for mixed precip to start to work in late Monday night as the precip lifts N-NE. Temps will start off in the mid 20s to mid 30s, coldest across the interior and higher terrain, then transitions into a non-diurnal temp trend as readings slowly rise overnight into Tuesday morning.

Still some uncertainty on the snow accumulations and especially how much icing will be realized leadings into the Tuesday morning commute. Looks like the best chances for freezing rain and/or sleet will occur away from the immediate coast to start the commute, then should change to rain by around mid to late morning from around the Boston-Providence corridor southward to the S coast. A wintry mix should continue through the afternoon well inland, which could be the biggest impact especially across untreated roadways and other outdoor surfaces.

As the low pushes S and E of Cape Cod and the islands late in the day, should see a change back over to snow toward Tuesday evening except across the S coast, Cape Cod and the islands. Should see the precip taper off Tuesday evening, though snow showers may linger across the E slopes of the Berkshires from time to time overnight.

Current forecast suggests snow amounts on the order of less than an inch along the S coast to around 2-4 inches from around the Mass Pike northward, but still quite a bit of uncertainty on the timing of the mixing and/or changeover to rain and how far that will lift northward. Another issue will be the icing and its impacts. Could see about 0.1 to 0.2 inches of ice across portions of N CT, N RI into most areas of Massachusetts.

Headlines for at least Advisory level conditions across the interior remain possible (at least), but still questions on placement of the PTYPES and how long they will last overnight into Tuesday.

Pretty confident for impacts across most roadways for the Tuesday morning commute, especially areas near/north of Route 6 in CT and RI and near/NW of I-95, and especially across from Hartford to NW of Providence to Boston and the interior SE Mass areas. Coastal MA/RI into part of SE MA should see a shorter period of winter weather before changing to a cold rain.

Wednesday .

Will see mainly dry conditions except for some spotty snow showers across the higher terrain and possibly across Cape Cod and the islands. Another weak trough moves across which may enhance some light snow showers elsewhere, but will be tough with lack of moisture away from the higher terrain and near the coastline. Something to keep an eye on, though.

Wednesday Night into Thursday Night .

Arctic airmass dives SE across the region after the front passes during early Wed night. Models continue to signal H85 temps diving to -14C to -18C through the night. Light snow lingers across outer Cape Cod and the island through around midnight then should push offshore.

The coldest air of the season arrives Wed night and Thu. Lows Wed night will bottom out in the single digits and teens, except around 20s across outer Cape Cod and the islands. However, with W-NW winds at 10-20 mph, maybe a bit higher along the immediate coast, could see wind chill values bottom out from -5 to -10 well inland and especially across the higher terrain to zero to 5 above along the coast by daybreak Thursday. May see some dangerous wind chills especially for the children waiting for buses out of doors. Bundle up!

As high pressure approaches Thursday, winds will diminish but the cold air will remain in place. While temperatures moderate some, it will remain cold though the wind chills will not be quite as cold. Highs will be in the mid teens to around 20 inland and in the 20s across the coastal plain.

Friday and Saturday .

Large high pressure will dominate across the mid Atlc and northeast both Friday and Saturday. It will remain cold on Friday with highs in the 20s to around 30, though NW winds will be in the 5-10 mph range. Winds shift to N-NE but remain light on Saturday with temps in the mid 20s and 30s with winds veering to NE.

AVIATION /16Z SUNDAY THROUGH THURSDAY/. Forecaster Confidence Levels .

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

Short Term /through Monday/ .

15z TAF Update:

Today . High confidence.

VFR with SCT-OVC stratocu (greater coverage west). Possibility for a flurry from the stratocu layer but not expected to reduce visbys. Strong W/WNW winds with 15-25 kt sustained winds, gusts 30 to 40 kts (tending highest on gusts toward the E Coast of MA into the Cape and Islands).

Tonight . High confidence.

VFR conditions. W winds gusts diminish a bit, but still expect many locations to gust between 25 and 35 knots through around 03Z-05Z.

Monday . High confidence. VFR conditions despite some mid level cloudiness, especially south of the Mass Turnpike. W winds of 5 to 15 knots.

KBOS Terminal . High confidence in TAF.

KBDL Terminal . High confidence in TAF.

Outlook /Monday Night through Thursday/ .

Monday Night: MVFR/IFR conditions possible. FZRA, chance SN, chance PL.

Tuesday: Mainly IFR, with areas MVFR possible. Breezy. RA, SN, PL, FZRA.

Tuesday Night: Mainly VFR, with local IFR possible. Breezy. Slight chance SN.

Wednesday: VFR. Breezy.

Wednesday Night through Thursday: VFR. Windy with gusts up to 35 kt.

MARINE. Short Term /through Monday/ .

Today and tonight . High confidence. Powerful storm across eastern Canada will continue to lift north with the pressure dropping below 970 mb. The result will be strong westerly gales. Gusts of 40 to 45 knots today and a good portion of tonight. High pressure will begin to build in from the southwest after midnight, which should allow winds to gradually trend downward after that time. Seas 8 to 15 feet across the outer waters today, gradually subsiding tonight.

Monday . High confidence. Lingering SCA wind gusts across the eastern waters in the morning will diminish by afternoon as high pressure builds over the waters. Seas will also subside, but some 5 foot seas may linger across the eastern outer waters into Mon afternoon.

Outlook /Monday Night through Thursday/ .

Monday Night: Winds less than 25 kt. Rain likely, freezing rain likely, chance of snow. Local visibility 1 to 3 nm.

Tuesday: Winds less than 25 kt. Local rough seas. Rain.

Tuesday Night: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Rough seas up to 9 ft. Chance of rain. Local visibility 1 to 3 nm.

Wednesday: Low risk for Small Craft Advisory winds with gusts up to 25 kt. Rough seas up to 9 ft. Slight chance of snow. Areas of visibility 1 to 3 nm.

Wednesday Night: Strong winds with gusts up to 35 kt. Rough seas up to 11 ft. Slight chance of snow. Visibility 1 to 3 nm.

Thursday: Moderate risk for Small Craft Advisory winds with gusts up to 30 kt. Rough seas up to 11 ft.

BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . Wind Advisory until 9 PM EST this evening for MAZ023-024. Wind Advisory until 7 PM EST this evening for MAZ002>016-018- 019-021-022-026. RI . Wind Advisory until 9 PM EST this evening for RIZ008. MARINE . Gale Warning until 1 AM EST Monday for ANZ231>234-251-255-256. Gale Warning until 10 PM EST this evening for ANZ230. Gale Warning until 7 PM EST this evening for ANZ236. Gale Warning until 11 PM EST this evening for ANZ235-237. Gale Warning until 4 AM EST Monday for ANZ250-254.

SYNOPSIS . Frank/EVT NEAR TERM . Frank/Loconto/EVT SHORT TERM . Frank LONG TERM . EVT AVIATION . Frank/Loconto/EVT MARINE . Frank/Loconto/EVT


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FOXR1 - 8454000 - Providence, RI 1 mi57 min WNW 12 G 24 46°F 41°F1002.9 hPa
PVDR1 1 mi57 min W 13 G 27 46°F 1003.1 hPa26°F
CPTR1 - 8452944 - Conimicut Light, RI 6 mi57 min WSW 17 G 23 44°F 44°F
NAXR1 - Narragansett Bay Reserve, RI 11 mi66 min W 11 46°F 1003 hPa30°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 11 mi57 min WNW 12 G 17 46°F 1003.8 hPa
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 13 mi57 min W 30 G 39 46°F 1002.4 hPa
FRVM3 - 8447386 - Fall River, MA 13 mi57 min 45°F 44°F1003.5 hPa
FRXM3 13 mi57 min 46°F 29°F
PRUR1 14 mi57 min 47°F 29°F
QPTR1 - 8454049 - Quonset Point, RI 15 mi57 min W 9.9 G 18 46°F 44°F1003.6 hPa
NWPR1 - 8452660 - Newport, RI 21 mi57 min W 17 G 28 46°F 42°F1003.4 hPa
BUZM3 - Buzzards Bay, MA 33 mi51 min W 28 G 32 45°F 1003.9 hPa (+4.1)
BHBM3 - 8443970 - Boston, MA 42 mi57 min 46°F 41°F999.2 hPa
BZBM3 - 8447930 - Woods Hole, MA 42 mi57 min 45°F 43°F1002.9 hPa
NLNC3 - 8461490 - New London, CT 48 mi57 min W 8.9 G 17 47°F 43°F1004.5 hPa
WAXM3 - Waquoit Bay Reserve, MA 48 mi66 min WSW 8.9 1002 hPa

Wind History for Providence, RI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Providence, Theodore Francis Green State Airport, RI6 mi60 minW 14 G 2510.00 miMostly Cloudy46°F28°F51%1003.1 hPa
Pawtucket, North Central State Airport, RI8 mi55 minW 21 G 3310.00 miPartly Cloudy and Breezy45°F25°F46%996.6 hPa
Newport, Newport State Airport, RI19 mi58 minW 11 G 2310.00 miA Few Clouds47°F28°F50%1003 hPa
Taunton, Taunton Municipal Airport, MA20 mi59 minW 15 G 2810.00 miOvercast48°F24°F39%1001.9 hPa
New Bedford, New Bedford Regional Airport, MA23 mi58 minW 18 G 2610.00 miA Few Clouds and Breezy47°F27°F46%1002.2 hPa

Link to 5 minute data for KPVD

Wind History from PVD (wind in knots)
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1 day agoN5N4N7NE4NE4N7NE4N4N5N5N4N6N5N8N7NE7--SE15
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2 days agoNW10N86CalmCalmNW3CalmCalmCalmCalmW3CalmCalmCalmCalmN4CalmN3N5CalmN3CalmCalmN3

Tide / Current Tables for Providence, Rhode Island (2)
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Providence
Click for Map
Sun -- 02:46 AM EST     -0.50 feet Low Tide
Sun -- 07:05 AM EST     Sunrise
Sun -- 10:00 AM EST     5.32 feet High Tide
Sun -- 10:07 AM EST     Moonset
Sun -- 03:31 PM EST     -0.41 feet Low Tide
Sun -- 04:15 PM EST     Sunset
Sun -- 07:55 PM EST     Moonrise
Sun -- 10:29 PM EST     4.37 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.20.7-0.3-0.5-00.81.834.155.34.93.61.90.5-0.3-0.40.10.91.82.83.74.34.3

Tide / Current Tables for Nayatt Point, Narragansett Bay, Rhode Island
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Nayatt Point
Click for Map
Sun -- 02:45 AM EST     -0.50 feet Low Tide
Sun -- 07:05 AM EST     Sunrise
Sun -- 09:58 AM EST     5.44 feet High Tide
Sun -- 10:06 AM EST     Moonset
Sun -- 03:30 PM EST     -0.41 feet Low Tide
Sun -- 04:15 PM EST     Sunset
Sun -- 07:55 PM EST     Moonrise
Sun -- 10:27 PM EST     4.48 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.20.7-0.3-0.5-00.81.93.14.25.15.44.93.61.90.5-0.3-0.30.10.91.92.93.84.44.3

Weather Map
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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.
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Wind Forecast for Boston, MA (10,2,3,4)
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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 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.