Friday, December6, 2019
Privacy Policy
L-36.com


Marine Weather and Tides
Quonochontaug, 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 6:57AMSunset 4:19PM Friday December 6, 2019 3:51 PM EST (20:51 UTC) Moonrise 2:37PMMoonset 2:04AM Illumination 74% Phase: Waxing Gibbous; Moon at 10 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
    EDIT      (on/off)   Help
ANZ237 Block Island Sound- 117 Pm Est Fri Dec 6 2019
.small craft advisory in effect through Saturday morning...
This afternoon..SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Rain likely.
Tonight..W winds 20 to 25 kt, becoming nw 15 to 20 kt after midnight. Gusts up to 35 kt. Seas 4 to 6 ft. Rain.
Sat..NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 4 ft.
Sat night..NW winds 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 2 to 3 ft.
Sun..E winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft.
Sun night..S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Mon..S winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers likely. Vsby 1 to 3 nm.
Mon night..SW winds 20 to 25 kt with gusts up to 35 kt. Seas 6 to 9 ft. Showers likely. Vsby 1 to 3 nm.
Tue and Tue night..W winds 15 to 20 kt with gusts up to 35 kt. Seas 5 to 8 ft. Showers likely. 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 Pm Est Fri Dec 6 2019
Synopsis for massachusetts and rhode island coastal waters.. A fast moving low pres system will approach from the west this afternoon and cross the waters this evening. Large high pres then builds in from the west Sat into Sat night. The high pres system moves off the coast Sun as a slow moving cold front approaches from the west Mon into Tue. 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 Quonochontaug, RI
   Hourly   EDIT   Help
location: 41.19, -71.58     debug


Area Discussion for - Boston, MA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
FXUS61 KBOX 061720 AFDBOX

Area Forecast Discussion National Weather Service Boston/Norton MA 1220 PM EST Fri Dec 6 2019

SYNOPSIS. Clouds will increase ahead of a fast-moving clipper system that will push through with periods of light snow this afternoon and early evening. Best chance of seeing light accumulations is along and north of the MA turnpike. The East Slopes of the Berkshires could see upwards of 3 inches. Colder, drier air moves in Friday night and Saturday as high pressure brings dry weather for the weekend. The high moves offshore Sunday, starting a return flow of milder and moist air for the first half of the week. This will bring off and on rain for Monday and Tuesday. A cold front moves through Tuesday night, followed by a return to cooler temperatures for Wednesday and Thursday.

NEAR TERM /UNTIL 6 PM THIS EVENING/. 1215PM Update .

Light snow is moving across Western MA but has mostly not made it to the ground east of the Berkshires. Did note that KORE is now observing light snow. Temperatures have made it into the low 30s north of the MA turnpike and mid 30s south. This is on track with the forecast for light accumulating snow north of the turnpike and a coating at best south due to above freezing temperatures resulting in a rain/snow mix or just plain rain. High res guidance have hinted at wrap around moisture for northeast MA, including Essex and northern Middlesex counties. So have indicated the potential for up to 2 inches of snow in this area. Also hinted at the potential for 3 inches of snow for the highest elevations in Franklin county, MA. Not confident enough about the spatial extent of 3 inches plus so have opted not to issue a Winter Weather Advisory. Updated the Special Weather Statement to include higher snow totals for aforementioned areas.

Previous Discussion .

***A CLIPPER SYSTEM IS EXPECTED TO BRING COATING TO AN INCH OF SNOW ESPECIALLY ALONG & NORTH OF THE MA TURNPIKE LATE THIS AFTERNOON INTO EARLY EVENING. LOCALLY 2-3 INCHES ARE POSSIBLE IN THE EAST SLOPES OF THE BERKSHIRES.***

Satellite shows clouds mostly clearing out early this morning, but it will be short lived. Looking upstream we see the deck of mid level clouds making its way toward southern New England. These will fill in from west to east by sunrise in western MA/CT and eastern MA by 9-10 AM.

These clouds precede a quick hitting clipper type system that will strength over the Great Lakes in the next several hours before crossing directly over southern New England with its surface arctic front from 21-03Z (4-10 pm). This system brings our next shot of snow and rain. At the upper levels we have good jet dynamics in play beneath the RRQ of a modest upper jet which will help increase synoptic lift while in the lower levels speed convergence on the front of a 50 kt LLJ will enhance precip formation. The very progressive nature of the storm should limit snowfall to generally late morning through early evening, with accumulations of only a coating to 2 inches for most, mainly along and north of the MA Pike, and perhaps some spots of 2-3 inches in the highest elevations of the Berkshires. Nearly all guidance is in favor of this solution, with the latest EPS giving a 0% chance of >3" in southern New England, and the 00Z HREF mean guidance trending down toward the synoptic models. Given the amounts expected, we will continue to message this with a Special Weather Statement highlighting the impact that it may have to the evening commute. Those in eastern/central MA will continue to be impacted by snow showers during the Friday evening rush hour which could cause some additional travel hazards. Winds will also become breezy as the pressure gradient tightens south of the low, mainly along the south coast and over the southern waters where mixing is better; winds gust 25-30 mph.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SATURDAY/. Snow and rain showers should be tapering off in extreme eastern MA by 8-10 pm as the low center makes a hasty exit. Winds slowly but steadily decrease as a sprawling surface high moves in and the gradient relaxes. With this we also see post frontal NW winds begin to bring in much cooler air, though the breezy winds will likely limit much contribution from radiational cooling. Even so, temperatures dip into the teens to low 20s; warmer on the south coast.

Saturday colder and drier air funnels into the region as high pressure builds in, though cyclonic flow lingers aloft. Subsidence under this high will keep things dry and skies mostly clear, though there is still some question as to whether we'll see more diurnal clouds than are currently forecast given that tendency under cyclonic flow with CAA and daytime heating. Overall a very nice, if cold, day with high temperatures in the upper 20s (higher elevations) to low 30s.

LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/. Big Picture .

Zonal flow over the weekend, but this changes early next week as a digging upper trough sweeps south from the Canadian Prairies into the USA Plains and Great Lakes. This digging trough turns the flow over the Eastern USA out of the south and southwest, drawing milder air up over us as well as increasing moisture. The trough axis then moves across our area Wednesday with drier air moving in.

Normal 500-mb heights in this area in early December are in the upper 540s and 550s. Forecast heights moderate to the higher/warmer side Sunday through Tuesday. These values then lower again Tuesday night through Thursday as the upper trough moves overhead. Expect a milder trend for early next week, and a return to colder temps midweek.

Mass fields and thermal fields in the models are similar through Monday but then show some model-to-model differences midweek. This means moderate to high confidence through the early week, then diminishing confidence midweek.

Daily Concerns .

Saturday night and Sunday .

High pressure builds over the region with sufficient subsidence to bring clearing skies and light wind. This will allow for radiational cooling Saturday night, With dew points in the upper single numbers and teens, that should allow temperatures to fall to similar values overnight . possibly around 20 near the coast.

The high pressure slides offshore Sunday, making room for milder air to move north. The milder air will move earliest at the higher levels, which may bring some mid and high clouds Sunday afternoon. Overall a fair day. Temps at 925 mb and 950 mb were used to represent the lingering cold air near the surface. Those values will support max sfc temps in the 30s to low 40s.

Increasing south to southwest flow Sunday night will bring increasing clouds. The flow itself will be strong with speeds increasing to 40-50 kt overnight. Not sure how much of this will reach the surface in gusts, but suspect the warm advection will work against any mixing.

The 00Z GGEM brings light precipitation into our area late at night, while the 00z GFS and ECMWF keep precipitation just south of us. Guidance is more aggressive with POP values. The forecast will trim values below 15 pct for most of the night based on the dry air forecast in the nucleation zone for Sunday night, as seen in BUFKit soundings.

With the warm advection in place, expect min temps in the early night followed by warming temps overnight. Temperatures will be above freezing all areas after midnight, so any late night precip should be as rain.

Monday-Tuesday .

Mild south-southwest flow will continue to bring warmer air and increased moisture. PW values will climb over 1 inch and RH fields show a deep column of moisture over us for Monday and Tuesday. Low level jet at 50-60 kt will support low level convergence and lift while also supplying the moisture. The GFS and ECMWF show a 150-kt upper level jet approaching on Monday. The GFS shows Srn New England in the left exit region for at least a part of the time while the ECMWF is a tad farther north. All of this points to good lift and good moisture both days, and a deep layer of above-freezing temps supports max sfc temps mainly in the 50s each day. Will forecast showers both days.

Another concern will be winds. A low level southerly jet of 50-60 kt will linger overhead through the period and may bring gusts of 30 to 40 mph down to the surface each day. Gridded guidance is much more conservative. The forecast will increase winds from the grid guidance closer to 25 kt/30 mph, and it may need to go higher in later forecasts.

The upper trough pushes a cold front through our area Tuesday night, with showers diminishing after passage.

Wednesday-Thursday .

Colder drier air moves in Wednesday. Cold advection will encourage mixing 35-45 mph winds to the surface in gusts. High pressure builds in by Thursday with fewer clouds and lighter winds. Mixing to 850 mb will tap -10C air Wednesday and -18C air Thursday. Will go with max temps 35-45 Wednesday and 20s to mid 30s Thursday.

AVIATION /17Z 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/ . High confidence.

Today . VFR initially, but cigs will lower to MVFR along with brief periods of light to moderate snow 19z-02z. Expecting mainly rain across the Cape and Islands and a period of a rain/snow mix at PVD. Potential for brief periods of IFR across northern MA, including BOS, with any heavier snow bands moving through. Precipitation ends from west to east Friday evening.

Tonight . MVFR north of the Mass Pike, VFR to the south. Trend to VFR all areas between 00Z and 06Z with clearing skies after midnight.

Saturday . VFR. Light NW winds.

KBOS Terminal . High confidence in TAF. Moderate confidence after 18Z.

KBDL Terminal . High confidence in TAF.

Outlook /Saturday Night through Tuesday/ .

Saturday Night: Mainly VFR. Breezy. Patchy BR.

Sunday: VFR. Breezy.

Sunday Night: Mainly VFR. Windy with local gusts up to 30 kt. Patchy BR.

Monday: MVFR/IFR conditions possible. Windy with local gusts up to 30 kt. Chance SHRA.

Monday Night: Mainly MVFR, with local IFR possible. Windy with gusts up to 30 kt. SHRA likely.

Tuesday: Mainly MVFR, with local IFR possible. Windy with local gusts up to 30 kt. SHRA likely.

MARINE. Short Term /through Saturday/ . High confidence.

Today . NW winds decrease and become SW through the morning and early afternoon before increasing again tonight. Winds on the southern waters gust 25-35 kts this evening into tonight as a clipper low moves across CT/RI and southeast MA today. Vsby will lower to 1 mile or less in snow. Seas 3-4 ft.

Tonight . Gusty SW winds 25-35 kts decreasing through the night. Seas 8-10 ft on southern waters.

Saturday . Clear skies and light winds. Seas 3-5 ft.

Outlook /Saturday Night through Tuesday/ .

Saturday Night: Winds less than 25 kt. Seas locally approaching 5 ft.

Sunday: Winds less than 25 kt. Seas less than 4 feet.

Sunday Night: Low risk for Small Craft Advisory winds with local gusts up to 30 kt. Areas of seas approaching 5 ft.

Monday: Low risk for gale force winds with gusts up to 35 kt. Local rough seas building to 5 to 10 feet. Chance of rain showers.

Monday Night: Moderate risk for gale force winds with gusts up to 35 kt. Rough seas up to 13 ft. Rain showers likely.

Tuesday: Low risk for gale force winds with gusts up to 35 kt. Rough seas up to 12 ft. Rain showers likely.

BOX WATCHES/WARNINGS/ADVISORIES. CT . None. MA . None. RI . None. MARINE . Small Craft Advisory until 7 AM EST Saturday for ANZ232>235- 237. Small Craft Advisory until midnight EST tonight for ANZ236. Small Craft Advisory until 10 AM EST Saturday for ANZ250. Small Craft Advisory until noon EST Saturday for ANZ254. Gale Warning from 5 PM this afternoon to midnight EST tonight for ANZ255-256.

SYNOPSIS . WTB/BW NEAR TERM . Frank/Chai SHORT TERM . BW LONG TERM . WTB AVIATION . WTB/BW/Chai MARINE . WTB/BW/Chai


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MTKN6 - 8510560 - Montauk, NY 22 mi58 min 48°F 44°F1014.9 hPa
NWPR1 - 8452660 - Newport, RI 26 mi58 min SW 18 G 24 45°F 38°F1014.3 hPa
44097 - Block Island, RI (154) 28 mi52 min 52°F4 ft
LDLC3 - New London Ledge CT - Ledge Light Weather 28 mi37 min SW 19 G 22 46°F 1012 hPa37°F
NLNC3 - 8461490 - New London, CT 29 mi58 min SSW 8.9 G 14 45°F 48°F1014.4 hPa
QPTR1 - 8454049 - Quonset Point, RI 29 mi58 min SSW 5.1 G 8.9 42°F 42°F1014.6 hPa
BUZM3 - Buzzards Bay, MA 32 mi52 min SW 24 G 26 46°F 1014.5 hPa (-3.8)
PRUR1 32 mi58 min 43°F 33°F
NAXR1 - Narragansett Bay Reserve, RI 33 mi67 min SW 4.1 41°F 1015 hPa31°F
PTCR1 - 8452951 - Potter Cove, Prudence Island, RI 33 mi58 min WSW 5.1 G 7 42°F 1015.3 hPa
CPTR1 - 8452944 - Conimicut Light, RI 38 mi58 min S 8.9 G 12 40°F 42°F1014.5 hPa
FRXM3 41 mi58 min 41°F 29°F
BLTM3 - 8447387 - Borden Flats Light at Fall River, MA 42 mi58 min S 4.1 G 5.1 40°F 1014.8 hPa
FRVM3 - 8447386 - Fall River, MA 42 mi58 min 40°F 41°F1015 hPa
PVDR1 42 mi58 min S 6 G 8 40°F 1014.8 hPa29°F
FOXR1 - 8454000 - Providence, RI 44 mi58 min S 7 G 8.9 40°F 44°F1014.5 hPa

Wind History for Newport, RI
(wind in knots)    EDIT      (on/off)   Help
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
Last
24hr
NW14
G18
NW8
G15
W9
G12
NW14
G25
NW19
G29
NW13
G29
NW13
G22
W15
G19
NW10
G16
NW10
G14
W14
G18
W14
G17
NW8
G14
W7
G11
SW8
W8
G12
SW9
G12
SW9
SW9
W8
SW11
G14
SW11
G15
SW12
G16
SW18
G23
1 day
ago
SW3
W10
W9
W10
W7
G10
W8
W10
NW6
W9
W9
G13
NW11
G15
NW14
G22
NW12
G24
W14
G18
NW13
G22
NW10
G20
2 days
ago
NW15
NW9
G17
NW9
G15
NW8
G15
W10
G14
NW11
G14
W12
G16
W8
G12
W9
G13
NW8
G12
NW6
G9
NW7
SW6
SW7
G11
W5
G8
W6
G9
SW6
G9
W4
G7
W6
W7
G10

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports. Follow links for more data.
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Block Island State Airport, RI1 mi56 minSW 17 G 2410.00 miOvercast46°F35°F66%1015.2 hPa
Westerly, Westerly State Airport, RI16 mi59 minSW 8 G 1810.00 miOvercast47°F32°F56%1015 hPa
Montauk, Montauk Airport, NY20 mi58 minSW 8 G 21 mi47°F35°F63%1015.2 hPa

Link to 5 minute data for KBID

Wind History from BID (wind in knots)
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
Last 24hrNW10
G21
NW12
G23
W14
G25
NW13
G21
W13
G19
W21
G27
NW16
G29
NW15
G24
NW16
G26
W12
G23
NW12
G17
NW11
G21
NW11
G15
NW10
G14
W9
G16
W10W6W6SW9W8W11SW14
G21
SW13
G21
SW17
G24
1 day agoW10W8W9W6
G14
NW9NW7W8W11W8NW8W10W9
G15
W10
G14
NW7NW7NW8
G16
NW11
G15
NW9
G17
W11
G21
W11
G19
NW15
G20
W15
G21
NW14
G22
NW9
G18
2 days agoNW13
G19
NW15
G23
NW12
G20
NW13
G24
NW14
G21
NW14
G23
NW13
G20
W12
G18
W14
G22
NW11
G19
NW9
G16
W12
G18
NW9
G17
W106W6W6W8W9W10W9W8W8W10

Tide / Current Tables for Block Island (Great Salt Pond), Rhode Island
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Block Island (Great Salt Pond)
Click for Map
Fri -- 01:04 AM EST     Moonset
Fri -- 03:09 AM EST     2.28 feet High Tide
Fri -- 06:57 AM EST     Sunrise
Fri -- 09:00 AM EST     0.59 feet Low Tide
Fri -- 01:37 PM EST     Moonrise
Fri -- 03:28 PM EST     2.19 feet High Tide
Fri -- 04:17 PM EST     Sunset
Fri -- 09:08 PM EST     0.39 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
1.11.62.12.32.21.81.30.90.60.60.60.711.41.82.12.11.81.30.80.50.40.40.6

Tide / Current Tables for Moonstone Beach, Rhode Island
   EDIT      (on/off)   Help   One Week of Data
Moonstone Beach
Click for Map
Fri -- 01:04 AM EST     Moonset
Fri -- 03:12 AM EST     2.43 feet High Tide
Fri -- 06:57 AM EST     Sunrise
Fri -- 09:57 AM EST     0.55 feet Low Tide
Fri -- 01:36 PM EST     Moonrise
Fri -- 03:30 PM EST     2.34 feet High Tide
Fri -- 04:16 PM EST     Sunset
Fri -- 09:59 PM EST     0.35 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
1.11.72.22.42.31.91.51.10.80.60.60.60.91.41.92.32.321.510.60.40.30.4

Weather Map
       (on/off)   Help Weather Map
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
Wind Forecast for Boston, MA (15,3,4,5)
      (on/off)   Help

Ground Weather Radar Station Boston, MA
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

Cookie Policy:
This webiste uses cookies to save your settings. No personal information is saved. You can disable cookies in your browser if you like but it is not recommended for this site. I do not sell cookies. Go to a bakery for that. In fact I do not sell anything. To disable cookies from L-36.com, please refer to the Help button in your browser.
Privacy Policy:
I do not sell or share any user data or anything else for that matter. I do not keep site logs longer than I need to to keep bad actors off the site. Basically, I delete them after looking at them. If you are subject to CCPA, Google ads on this site will not be based on your past behavior so you will likely not see an ad for a lawn mower just because you looked for one at a big box website. I do not believe this site is subject to CCPA but I am doing what I can to follow the guidelines anyway.
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.