Tuesday, January28, 2020
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Marine Weather and Tides
Scar, 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 7:00AMSunset 4:48PM Tuesday January 28, 2020 4:26 AM EST (09:26 UTC) Moonrise 10:15AMMoonset 9:33PM Illumination 11% Phase: Waxing Crescent; Moon at 3 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- 303 Am Est Tue Jan 28 2020
Today..N winds 5 to 10 kt. Seas 1 to 2 ft this morning, then 1 foot or less.
Tonight..N winds around 10 kt. Seas 1 foot or less.
Wed..NW winds around 10 kt. Seas 1 foot or less.
Wed night..N winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 1 foot or less.
Thu..NW winds 5 to 10 kt. Seas 1 foot or less.
Thu night..W winds around 5 kt. Seas 1 foot or less.
Fri..W winds around 5 kt. Seas 1 foot or less.
Fri night..NW winds around 5 kt. Seas 1 foot or less.
Sat..NE winds around 5 kt. Seas 1 foot or less. A chance of snow.
Sat night..NE winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of snow.
ANZ100 303 Am Est Tue Jan 28 2020
Synopsis for stonington me to merrimack river ma out to 25 nm.. Low pressure to the northeast of the waters will continue to provide brisk northwest flow across the waters into midweek. Thereafter, high pressure builds in Thursday and Friday. Low pressure will likely pass to the east of the waters late in the weekend and could allow for some gales on the outer waters. &&


7 Day Forecast for Marine Location Near Scar, ME
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location: 43.56, -70.28     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 280803 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 303 AM EST Tue Jan 28 2020

SYNOPSIS. Dry weather is expected through mid to late week. The next chance for precipitation is this weekend when an area of low pressure coming up the U.S. East Coast passes near our region. At this time it appears to pass just east of the forecast area resulting in a near miss. However, there is plenty of time between now and the weekend for the forecast track to change.

NEAR TERM /THROUGH TODAY/. Cool and moist cyclonic flow in the mid levels along with embedded short wave troughs in the mean NW flow will lead to plenty of clouds once again today. However, some areas may break out at times yielding some sunshine. Overall, temperatures will be colder than yesterday's values, with highs in the 30s. However, these values are still above normal. On and off snow showers will continue in the mountains with local upslope flow. Folks at lower elevations may notice some flurries this morning as well.

There is a low probability of some snow or rain showers or even a localized squall or two across southeasternmost NH and York County ME this afternoon in association with an inverted trof in the area. This feature in conjunction with an approaching short wave trough could aid in enough local forcing for ascent for widely scattered precipitation production.

SHORT TERM /TONIGHT THROUGH 6 PM WEDNESDAY/. A drier air mass will advect in from the north tonight allowing for more widespread clearing skies. Sunny conditions are then expected through Wednesday with temperatures near to a bit above normal.

LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/. Quiet weather will prevail Thursday and Friday as high pressure crests over the region. On Saturday high pressure shifts east of the region while a 500 mb trough takes shape over the eastern US. Clouds will be an the increase Saturday with precipitation possibly breaking out over southern areas Saturday afternoon as global models continue to show the potential for a system to form near the East Coast.

There remains considerable uncertainty in whether the area will receive direct impacts from this potential system late Saturday into Sunday. The main issues are the phasing of multiple pieces of energy and the track of a potential coastal storm being too far to our east.

Global models continue to vary from run to run and amongst themselves with the handling of two to three short waves that have the potential to phase. The first of these short waves to enter the more dense RAOB network of North America is well offshore of the Pac NW and will likely be better sampled during the 29.00Z observations. Global models show that this short wave will split over the Intermountain West with a piece of energy getting hung up near Texas Thursday night. While this piece of energy slowly drifts eastward one to two more impulses will drop southward out of Canada into the western Great Lakes helping to carve out a trough over the eastern US by Saturday. While the 28.00Z deterministic run of the GFS better phases these features with the coastal low making a sharp jump to the west, the 28.00Z GEFS mean low center is farther east than previous runs leading to low confidence in this solution. Both the 28.00Z CMC and ECMWF do not quite phase the pieces of energy leading to two weaker areas of low pressure well to our east. Overall the potential is still there for an impactful coastal storm late this weekend but confidence remains low in the strength and track of the system. This system could very well track too far to the east for our area to receive much in the way of precipitation and have gone with chance PoPs to reflect this uncertainty.

Thereafter a short wave ridge crosses the area Monday followed by low pressure approaching the area from the Great Lakes Tuesday.

AVIATION /08Z TUESDAY THROUGH SATURDAY/. Short Term . Upslope flow will continue to result in snow showers through the mountains through today with MVFR cigs at places such as KHIE. Elsewhere the upper level low over New Brunswick will keep conditions cloudy but still VFR today. Expect gradual clearing tonight with VFR conditions through Wednesday.

Long Term . High pressure builds into the region bringing mainly VFR conditions for the rest of the week. A coastal system may bring restrictions late Saturday into Sunday but confidence is low in the track being close enough to bring deteriorating conditions.

MARINE. Short Term . Conditions are expected to remain below SCA thresholds today through Wednesday. However, the northerly flow may infrequently gust to around 25 kt from time to time.

Long Term . Winds may briefly gust to 25 kts Wednesday night followed by quiet conditions as high pressure builds into the Northeast Thursday and Friday. A coastal system will cause seas to build late this weekend with possible gales if the system tracks close enough to the coast. Confidence is low in the track and strength of the system at this time.

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



NEAR TERM . Ekster SHORT TERM . Ekster LONG TERM . Schroeter


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 7 mi57 min 36°F 39°F
44007 - PORTLAND 12 NM Southeast of Portland,ME 8 mi97 min WNW 7.8 G 9.7 37°F 40°F2 ft1002.4 hPa (+0.8)30°F
WEXM1 - Wells Reserve, ME 21 mi87 min WNW 2.9 36°F 28°F
WELM1 - 8419317 - Wells, ME 22 mi57 min 37°F 41°F1003.3 hPa
44030 - Buoy B0102 - Western Maine Shelf 27 mi83 min WNW 14 G 16 3 ft1002.6 hPa
44073 40 mi143 min W 12 G 16 40°F 42°F
BGXN3 - Great Bay Reserve, NH 45 mi102 min Calm 35°F 1003 hPa29°F
IOSN3 - Isle of Shoals, NH 45 mi87 min WNW 17 G 19 38°F 1002.5 hPa (+0.5)30°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Portland, Portland International Jetport, ME7 mi36 minNNW 910.00 miOvercast36°F24°F62%1003.7 hPa

Link to 5 minute data for KPWM

Wind History from PWM (wind in knots)
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Last 24hrCalmSW4W9W8W6W8W6SW7W9W11W10NW10
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1 day agoW7NW10NW8NW8W9W11NW4W9SW9W12W14
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2 days agoCalmNE6NE7NE8NE7E9E7E9E9E9E13E14E18E18
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CalmE12E6NE6N6

Tide / Current Tables for Richmond Island, Maine
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Richmond Island
Click for Map
Tue -- 01:08 AM EST     8.53 feet High Tide
Tue -- 07:01 AM EST     Sunrise
Tue -- 07:03 AM EST     0.76 feet Low Tide
Tue -- 09:14 AM EST     Moonrise
Tue -- 01:14 PM EST     9.23 feet High Tide
Tue -- 04:46 PM EST     Sunset
Tue -- 07:33 PM EST     0.20 feet Low Tide
Tue -- 08:33 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.98.58.26.94.92.81.30.81.22.64.76.88.59.28.97.75.73.41.40.40.31.235.1

Tide / Current Tables for Portland Head Light, Maine
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Portland Head Light
Click for Map
Tue -- 01:09 AM EST     8.45 feet High Tide
Tue -- 07:01 AM EST     Sunrise
Tue -- 07:04 AM EST     0.76 feet Low Tide
Tue -- 09:13 AM EST     Moonrise
Tue -- 01:15 PM EST     9.13 feet High Tide
Tue -- 04:45 PM EST     Sunset
Tue -- 07:34 PM EST     0.20 feet Low Tide
Tue -- 08:33 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.88.48.16.84.92.81.30.81.22.54.66.78.49.18.97.75.73.41.40.40.31.22.95

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Gray/Portland, ME (4,6,7,8)
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Ground Weather Radar Station Portland, ME
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weather_mapweather_map weather_map

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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 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.