Sunday, January26, 2020
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Marine Weather and Tides
Littlejohn Island, ME

Version 3.4
NOTICE
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 7:01AMSunset 4:42PM Sunday January 26, 2020 11:04 PM EST (04:04 UTC) Moonrise 9:21AMMoonset 7:30PM Illumination 5% Phase: Waxing Crescent; Moon at 2 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- 1020 Pm Est Sun Jan 26 2020
Overnight..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Mon..W winds 10 to 15 kt. Seas 2 to 4 ft.
Mon night..NW winds 5 to 10 kt. Seas 2 to 3 ft.
Tue..N winds 5 to 10 kt. Seas 2 to 3 ft.
Tue night..N winds 5 to 10 kt. Seas 1 to 2 ft.
Wed..NW winds 5 to 10 kt. Seas 1 to 2 ft.
Wed night..N winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 1 to 2 ft in the evening, then 1 foot or less.
Thu..N winds 5 to 10 kt. Seas 1 foot or less.
Thu night..NW winds around 5 kt. Seas 1 foot or less.
Fri..W winds around 5 kt. Seas 1 foot or less.
Fri night..N winds around 5 kt. Seas 1 foot or less.
ANZ100 1020 Pm Est Sun Jan 26 2020
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure will gradually build across the waters through the upcoming week with rather tranquil conditions expected on the waters. &&


7 Day Forecast for Marine Location Near Littlejohn Island, ME
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location: 43.78, -70.08     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 270325 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1025 PM EST Sun Jan 26 2020

SYNOPSIS. High pressure will build into place for the end of the week keeping skies clear. Overnight lows will be colder in the mountain valleys as radiational cooling takes hold. The next chance for precipitation will be next weekend.

NEAR TERM /UNTIL 6 AM MONDAY MORNING/. 1025 PM . CLouds moving in from the west a little faster than in the forecast so adjusted grids to cover this. Temps are also holding fairly steady or going up slightly in some spots, and have adjusted mins up a bit given that we will se more clouds and light SW flow thru much of the overnight.

720 PM . Some tweaks to the POPs in the mtns due to the upslope wind direction and slow moving cold front lingering N of the cWA overnight. This should give a surge of SHSN and even steady N closer to the intl border this evening thru the pre-dawn hours, before it starts to wane a bit toward daybreak, as the upper lvl low shifts to the E. Will also see clouds begin to increase in those areas that are clear attm, as that front slowly moves in. Temps will not be too cold tonight, ranging from the upper 20s in the N to the low 30s in the S.

Previously . Upper low is slowly drifting across the area currently . with several embedded vortices around the circulation One is crossing the forecast area now. with a little enhancement to shower activity both in the mtns and to the S. I have increased PoP to reflect this threat for the next several hours.

Otherwise . Wly flow aloft will support upslope clouds and snow showers with the upper low accounting for higher cloudiness elsewhere. This will keep lows on the milder side for this time of year . with readings dropping to near freezing by morning.

SHORT TERM /6 AM MONDAY MORNING THROUGH MONDAY NIGHT/. Upper low axis will finally cross the region Mon . with colder air filtering in behind it. Overall mild temps are expected again . with readings in the 40s along the coast and Srn NH . with 30s inland under thicker clouds. Will still see chance for rain/snow showers . especially in the mtns where orographic lift will enhance ascent. Could see several inches of snow in the higher terrain from upslope showers. Low temps Mon night will slowly fall back into the 20s.

LONG TERM /TUESDAY THROUGH SUNDAY/. Dry conditions will continue through the end of the week. Split flow is developing over central CONUS with high pressure building in through the end of the week.

Tuesday a weak upper level trough may be just enough to keep low level moisture in place through the mountains with some isolated flurries. The upslope flow cuts off on Tuesday night as the dry NW canadian air mass moves into the region.

Through the end of the week high pressure builds across the region with mainly clear skies and calm winds. This will make for good radiational cooling nights towards the end of the week and have continued to use the MOS guidance for low temperatures for this time period.

By Friday evening some low cloud cover may be able to creep in off the water as the high begins to depart. Upstream the split flow begins to break down as two potential short waves move in. The northern stream one comes out of Manitoba through the Great Lakes to our region by Saturday night while the southern stream originates from Texas and picks up some gulf moisture before moving northwards. If these two disturbances are able to phase they would get the potential for a storm for the northeast over the weekend. While that option is certainly on the table, there are a number of reasons to remain skeptical. First of all two moving parts makes it harder to line up. Secondly the split flow would need to end allowing the streams to merge. While I feel the trend towards a trough over the east and a strong track returning is solid, feel the timing is likely to lag as hemispheric level blocking will continue through mid week. Thus my assessment for this weekend is somewhat skeptical but I feel the potential for a larger storm will increase as we move into next week and the larger pattern becomes more favorable.

AVIATION /03Z MONDAY THROUGH FRIDAY/. Short Term . Widespread VFR has return to the area this afternoon Upslope flow is keeping MVFR CIGs in the mtns. and may move into HIE at times tonight. Local IFR is possible in SHSN tonight at HIE . but not confident enough in coverage to include the TAF. Otherwise cloudy by high CIGs expected for the rest of the area tonight into Mon.

Long Term . Quiet conditions over the region as high pressure builds in for the middle of the week. Tuesday may see a chance for MVFR in the mountains but the moisture quickly erodes leaving conditions VFR across the region through the end of the week.

MARINE. Short Term . SCA remains in effect on the outer waters mainly for hazardous seas which will take some time to diminish. A few gusts near 20 or 25 kt are possible but not expected to be frequent until Mon afternoon.

Long Term . Quiet over the waters this week as high pressure builds in for the end of the week. Winds and seas will remain calm.

GYX WATCHES/WARNINGS/ADVISORIES. ME . None. NH . None. MARINE . Small Craft Advisory until 4 PM EST Monday for ANZ150-152-154.

SYNOPSIS . NEAR TERM . Cempa/Legro SHORT TERM . Legro LONG TERM . Curtis AVIATION . Curtis/Legro MARINE . Curtis/Legro


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 12 mi52 min 37°F 38°F
44007 - PORTLAND 12 NM Southeast of Portland,ME 18 mi74 min WSW 16 G 19 38°F 41°F5 ft1001.8 hPa (-0.3)30°F
44032 - Buoy E0104 - Central Maine Shelf 39 mi120 min W 19 G 23 42°F 44°F7 ft1000.1 hPa
WEXM1 - Wells Reserve, ME 39 mi64 min SW 6 35°F 27°F
WELM1 - 8419317 - Wells, ME 41 mi52 min 35°F 40°F1002.8 hPa
44030 - Buoy B0102 - Western Maine Shelf 45 mi120 min WSW 18 G 21 6 ft1003 hPa

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Portland, Portland International Jetport, ME15 mi73 minWSW 610.00 miFair36°F25°F64%1002.3 hPa
Auburn-Lewiston, ME22 mi68 minNNW 310.00 miFair31°F27°F85%1002.1 hPa
Wiscasset Airport, ME23 mi71 minN 06.00 miFog/Mist28°F25°F88%1002 hPa

Link to 5 minute data for KPWM

Wind History from PWM (wind in knots)
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Last 24hrCalmE12E6NE6N6W7NW10NW8NW8W9W11NW4W9SW9W12W14
G22
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1 day agoNE6NE6NE4CalmCalmCalmNE6NE7NE8NE7E9E7E9E9E9E13E14E18E18
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2 days agoNW3CalmCalmCalmN4NW3N4N4N4N5NE8NE8NE8NE4NE5NE9E8NE7NE4NE4NE9NE7NE6NE6

Tide / Current Tables for Chebeague Point, Great Chebeague Island, Maine
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Chebeague Point
Click for Map
Sun -- 05:38 AM EST     0.53 feet Low Tide
Sun -- 07:03 AM EST     Sunrise
Sun -- 08:20 AM EST     Moonrise
Sun -- 11:56 AM EST     9.86 feet High Tide
Sun -- 04:42 PM EST     Sunset
Sun -- 06:13 PM EST     -0.31 feet Low Tide
Sun -- 06:29 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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8.88.16.3420.80.61.53.45.889.49.99.27.44.92.40.6-0.301.43.55.87.6

Tide / Current Tables for Upper Hell Gate (Sasanoa River, Maine) Current
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Upper Hell Gate (Sasanoa River
Click for Map
Sun -- 01:52 AM EST     0.91 knots Max Flood
Sun -- 04:23 AM EST     -0.00 knots Slack
Sun -- 06:17 AM EST     -0.69 knots Max Ebb
Sun -- 07:02 AM EST     Sunrise
Sun -- 08:19 AM EST     Moonrise
Sun -- 09:49 AM EST     0.00 knots Slack
Sun -- 12:41 PM EST     0.93 knots Max Flood
Sun -- 04:31 PM EST     -0.00 knots Slack
Sun -- 04:40 PM EST     Sunset
Sun -- 06:28 PM EST     Moonset
Sun -- 06:42 PM EST     -0.93 knots Max Ebb
Sun -- 10:34 PM EST     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.90.90.80.3-0.4-0.7-0.6-0.5-0.30.10.60.90.90.90.80.3-0.3-0.8-0.9-0.8-0.6-0.30.2

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
Wind Forecast for Gray/Portland, ME (23,6,7,8)
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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.