Saturday, November28, 2020
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Marine Weather and Tides
North Woodstock, NH

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 6:54AMSunset 4:13PM Saturday November 28, 2020 12:16 PM EST (17:16 UTC) Moonrise 4:27PMMoonset 6:01AM Illumination 97% Phase: Waxing Gibbous; Moon at 13 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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ANZ153 Casco Bay- 705 Am Est Sat Nov 28 2020
Today..N winds around 5 kt, becoming W around 5 kt late this morning and afternoon. Seas 2 to 3 ft.
Tonight..W winds 5 to 10 kt. Seas around 2 ft.
Sun..W winds 5 to 10 kt, becoming sw in the afternoon. Seas around 2 ft.
Sun night..S winds 5 to 10 kt. Seas 1 to 2 ft.
Mon..S winds 5 to 10 kt, becoming se 15 to 25 kt with gusts up to 35 kt in the afternoon. Seas 1 to 2 ft, building to 2 to 3 ft in the afternoon. A chance of rain in the morning, then rain in the afternoon.
Mon night..SE winds 20 to 30 kt with gusts up to 40 kt. Seas 4 to 7 ft. Rain.
Tue..S winds 10 to 20 kt. Seas 4 to 7 ft. Rain.
Tue night..SW winds 10 to 15 kt. Seas 4 to 7 ft, subsiding to 3 to 5 ft after midnight. Rain likely in the evening, then a chance of showers after midnight.
Wed..SW winds 10 to 15 kt. Seas 3 to 5 ft.
Wed night..W winds 10 to 15 kt. Seas 2 to 4 ft.
ANZ100 705 Am Est Sat Nov 28 2020
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure builds in from the west through the weekend. A stronger low pressure system will track through the eastern great lakes Monday and send a frontal boundary across the gulf of maine Monday night. This will bring a period of strong winds ahead of this front.


7 Day Forecast for Marine Location Near North Woodstock, NH
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location: 43.93, -71.58     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 281434 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 934 AM EST Sat Nov 28 2020

SYNOPSIS. Mainly dry and mild weather through the weekend except for a few mountain rain and snow showers late tonight through Saturday. A potent area of low pressure will track to our west Monday night into Tuesday bringing the potential for heavy rain and gusty winds. An upper level low will remain over the Northeast keeping conditions unsettled for the middle to latter half of next week.

NEAR TERM /TONIGHT/. 930AM UPDATE . Made minor adjustments to the forecast mainly to include a slight chance of showers this afternoon as a shortwave trough passes by. Otherwise no significant changes.

705 AM . Only a few minor tweaks based on current obs. Main one is to thicken up the clouds a bit through the morning, but expect some breaks outside the mountains this afternoon.

ORIGINAL DISCUSSION . Lingering rain showers along the mid coast should be done before daybreak. And will see slightly cooler air moving in behind this today. Flow remains weak up through the mid levels of the atmosphere, and this will keep a lot of clouds in the area, especially the mountains, through today, as 500 mb trough axis moves through as well. Not a lot of energy to produce much in the way of showers to the S, but the mountains will see a round of rain/snow showers today, with some light accumulations above 2500 feet. Will get a bit of a flow surge once the trough axis moves through, so could see more breaks of sun this afternoon in the downslope areas. Highs expected to be a few degrees lower than Friday, generally from around 40 in the mountains to the mid to upper 40s in srn NH and on the ME coastal plain. This is still in the 5-10 F above normal range.

SHORT TERM /TONIGHT AND SUNDAY/. Upslope NW flow behind the 500 mb trough axis should kick off another round of mainly snow showers in the mountains tonight. For the most part the valleys will only see a coating at best, with an inch or two possible above 2000 feet, and in some of the favored upslope areas. Otherwise, look for clearing overnight outside the mountains, with lows from the mid to upper 20s N, to the low 30s S.

Sunday looks to be the best day of the extended holiday weekend, with mainly sunny skies, even clearing out the mountains by midday, as surface ridge noses in from the S. Highs will be similar to Saturday, 40-45 in the mountains, and 45-50 in the S.

LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/. The potential exists for strong winds and heavy rain Monday night into Tuesday as an intensifying area of low pressure tracks to our west through the Eastern Great Lakes. Winds will subside during the day Tuesday with rain tapering to showers Tuesday afternoon as the area of low pressure occludes over Ontario. An upper level low will be to our west Wednesday and Thursday that will maintain the chance for rain and snow showers primarily in the mountains. Broad scale troughing over the eastern USA will lead to the potential for another system over the weekend.

Clouds will increase Sunday night as low pressure takes shape over the Ohio Valley. Models remain in good agreement of tracking this low over Lake Ontario Monday night with this system occluding over southern Ontario Tuesday afternoon. Deep southerly flow will draw in anomalously high PWAT air ahead of the system. Strong warm air advection and isentropic lift will lead to rain breaking from SW to NE Monday with period of heavy rain possible late Monday through Monday night. A fly in the ointment with regards to total QPF is the potential for a dry slow to form, although the 00Z guidance pivots the upper low, which would keep the dry slot over western NH though upstate NY with periods of steady rain continuing through much of the day Tuesday. Generally thinking much of the area will see over an inch of rain except for shadowed areas NW of the mountains with SE facing slopes to the Mid-Coast seeing the potential for 2-3 inches of rain.

Strong winds will also be concern with this system as models continue to show a strong southeasterly LLJ to 50 kts at 925 mb. Current thinking is that a wind advisory will be needed along the coast for the potential of gusts to 45 mph Monday night. Although we will be at the low end of our tide cycle, some splash-over will be possible near the time of high tide Tuesday mid-day as the ESTOFS model shows a peak surge approaching 1.5 ft.

As the system occludes and becomes vertically stacked over Ontario late Tuesday, steady rain will taper to showers Tuesday afternoon as well as winds subsiding during Tuesday morning. The vertically stacked system will remain to our west Wednesday into Thursday maintaining the chance for unsettled weather for the second half of the week. As this system pulls away Friday another piece of upper level energy will dive south through the Great Lakes leading to the the potential for another system next weekend.

AVIATION /15Z SATURDAY THROUGH WEDNESDAY/. Short Term . Expecting any MVFR to IFR cigs to improve to VFR this morning, except for KHIE which looks like it remain MVFR much of today into this evening. Mainly clear skies and light winds expected late tonight into Sunday.

Long Term . Clouds increase Sunday night and will lower Monday morning with heavy rain possible by Monday afternoon. IFR conditions will be likely Monday afternoon through Tuesday, although breaks in the rain over NH are possible Tuesday with periods of MVFR possible. Steady rain ends late Tuesday with improving conditions into Wednesday although scattered rain and snow showers may bring period of MVFR in the mtns.

MARINE. Short Term . Only possible issue will be near SCA SW flow on Sunday, but current forecast keeps the winds below SCA criteria.

Long Term . Winds and seas will approach SCA thresholds by Monday afternoon. Seas continue to build to 15 ft by Tuesday morning with gale force winds Monday night into Tuesday morning. Winds will drop to near 25 kts late Tuesday with seas remaining high into Wednesday.

GYX WATCHES/WARNINGS/ADVISORIES. ME . None. NH . None. MARINE . None.



NEAR TERM UPDATE . Kimble SHORT TERM . Cempa LONG TERM . Schroeter


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WEXM1 - Wells Reserve, ME 68 mi76 min SSE 1.9 45°F 42°F
WELM1 - 8419317 - Wells, ME 68 mi46 min 45°F 1011.9 hPa
BGXN3 - Great Bay Reserve, NH 72 mi91 min Calm 46°F 1013 hPa42°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Plymouth Municipal Airport, NH14 mi21 minN 010.00 miRain41°F39°F93%1011.5 hPa

Link to 5 minute data for K1P1

Wind History from 1P1 (wind in knots)
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Last 24hrW5W6W6W8W7W5CalmNE3CalmCalmCalmCalmCalmCalmE3CalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoCalmE4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSE3CalmCalmW3
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmE3CalmCalmE3E3

Tide / Current Tables for Salmon Falls River entrance, Piscataqua River, New Hampshire
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Salmon Falls River entrance
Click for Map
Sat -- 04:57 AM EST     Moonset
Sat -- 05:19 AM EST     0.75 feet Low Tide
Sat -- 06:52 AM EST     Sunrise
Sat -- 11:15 AM EST     7.12 feet High Tide
Sat -- 03:25 PM EST     Moonrise
Sat -- 04:10 PM EST     Sunset
Sat -- 05:51 PM EST     0.25 feet Low Tide
Sat -- 11:44 PM EST     6.53 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.25.33.92.41.30.80.91.93.55.26.57.16.964.52.91.40.50.30.82.23.95.46.3

Tide / Current Tables for Dover Point, Piscataqua River, New Hampshire
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Dover Point
Click for Map
Sat -- 04:54 AM EST     0.70 feet Low Tide
Sat -- 04:56 AM EST     Moonset
Sat -- 06:52 AM EST     Sunrise
Sat -- 11:13 AM EST     6.64 feet High Tide
Sat -- 03:25 PM EST     Moonrise
Sat -- 04:10 PM EST     Sunset
Sat -- 05:26 PM EST     0.23 feet Low Tide
Sat -- 11:42 PM EST     6.10 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.84.73.31.910.71.12.23.75.16.26.66.45.43.92.310.30.31.12.53.95.25.9

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 Portland, ME
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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 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.