Friday, March24, 2017 L-36.com


Marine Weather and Tides
Sanford, ME

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:36AMSunset 7:03PM Friday March 24, 2017 5:55 PM EDT (21:55 UTC) Moonrise 4:45AMMoonset 3:16PM Illumination 8% Phase: Waning Crescent; Moon at 27 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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ANZ154 Coastal Waters From Cape Elizabeth, Me To Merrimack River, Ma Out 25 Nm- 429 Pm Edt Fri Mar 24 2017
.small craft advisory in effect until midnight edt tonight...
Tonight..SW winds 20 to 25 kt...becoming 15 to 25 kt this evening...then becoming W 10 to 15 kt after midnight. Seas 4 to 6 ft. Snow and sleet early. Rain this evening...then a chance of rain after midnight. Vsby 1 to 3 nm.
Sat..NE winds 5 to 15 kt...becoming 5 to 10 kt in the afternoon. Seas 2 to 4 ft. A chance of showers in the morning with vsby 1 to 3 nm.
Sat night..NE winds 5 to 10 kt. Seas around 2 ft in the evening... Then 1 foot or less.
Sun..E winds 10 to 15 kt. Seas around 2 ft.
Sun night..SE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. A chance of rain and snow. Vsby 1 to 3 nm.
Mon..E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft... Building to 4 to 6 ft in the afternoon. Rain. Vsby 1 to 3 nm in the morning.
Mon night..E winds 10 to 15 kt...becoming ne 5 to 10 kt after midnight. Seas 4 to 6 ft. Rain.
Tue..NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of rain.
Tue night..E winds 5 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Rain likely.
Wed..NE winds around 10 kt. Seas 4 to 5 ft.
Wed night..N winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft.
ANZ100 429 Pm Edt Fri Mar 24 2017
Synopsis for stonington me to merrimack river ma out to 25 nm.. A warm front will cross the gulf of maine this evening. A cold front will drop down from the south early Saturday morning. High pressure will build into eastern maine Sunday and into nova scotia Sunday night. SEveral waves of low pressure will move along the remnant frontal boundary near southern new england and cape cod next week.

7 Day Forecast for Marine Location Near Sanford, ME
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location: 43.44, -70.77     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 242032
afdgyx
area forecast discussion... Updated
national weather service gray me
432 pm edt Fri mar 24 2017

Synopsis
A cold front will drop south through the region tonight and will
stall southwest of the area on Saturday as high pressure builds
in from the north. High pressure will crest over the area
Saturday night and will shift east on Sunday. Low pressure will
slowly approach from the midwest Sunday night through Tuesday
and will pass out to sea south of the region Tuesday night and
Wednesday. High pressure will build in from the west Wednesday
night through Thursday.

Near term /until 6 am Saturday morning/
Update... Temps currently running below forecast... So I have
updated those for the next few hours. This is critical with
temps near freezing... Resulting in changes to ptype forecast.

Lowering temps has introduced a little more mixed precip at the
end of the snowfall... Though based on obs this has been brief in
nature. I will issue a sps for some areas expected to see a
light sleet or freezing rain mix to end early this evening... As
warm front continues to edge nwd.

Previous discussion... Broad area of over-running draped across
the region will persist through this evening producing snow in
northern zones and gradually going over to rain in southern
zones. Getting quite a bit more QPF out of this system than
models had depicted with snow accumulations approaching
advisory levels in portions of central and northern new
hampshire. Have issued winter weather advisories for central
and northern new hampshire through this evening for additional
accumulations of 1 to 3 inches.

Farther south and in southwestern maine snow will gradually mix
with and change over to sleet and rain as boundary layer warms.

Snow accumulations in these areas will generally be in the 1 to
3 inches range before changing over. Cold front dropping south
will change liquid precip back to snow and sleet later this
evening and overnight. Lows overnight will range through the 20s
north and lower to mid 30s south.

Short term /6 am Saturday morning through Saturday night/
High pressure will gradually build south from canada behind the
front on Saturday. Morning clouds and snow showers in southern
zones will be gradually suppressed to the south during the day.

Highs will top out in the lower to mid 40s across the region.

High pressure will crest over the region Saturday night
producing mostly clear skies and light winds. Should see good
radiational cooling with lows ranging through the single numbers
north and teens to mid 20s south.

Long term /Sunday through Friday/
Very complex pattern and active pattern to continue through
next week with bouts of mixed precipitation.

High pressure will remain locked over new england on Sunday,
suppressing precipitation to our south for a short period of
drying out. However, moisture returns northward with a returning
warm front Sunday night into Monday. This will be during a
period of cold and relatively dry air locked in near the
surface. The threat of sleet and/or freezing rain will continue
during this period, especially during the Sunday night into
early Monday timeframe as a weak wave crosses through the gulf
of maine. Have highlighted this possibility in the briefing
slide.

Models are having a challenging time picking up on individual
short waves crossing through the gulf of maine thereafter. One
short wave exits through the gulf on Tuesday, with the gfs
solution holding back more energy for Tuesday night.

On Wednesday, somewhat drier air finally filters into the region
behind exiting low pressure into the canadian maritimes. Cooler
air filters into the region on Thursday due to high pressure
building southeast. However, this batch of cold air will not be
as cold as previous shots of cold air advection as yet another
system approaches from the south. By Friday significant
precipitation may very well be entering the forecast area.

Aviation /21z Friday through Wednesday/
Short term... MVFR/ifr ceilings and vsby tonight... .Improving to
vfr on Saturday.VFR Saturday night and Sunday.

Long term... Areas of ifr and patchy lifr developing Sunday. This
will continue right through Tuesday night. Improving conditions
with high pressure on Wednesday.

Marine
Short term... Continuing sca's for the bays and outer waters
until midnight.

Long term... SCA conditions possible Sunday night into Monday as
low pressure approaches the region. Gusty northwest winds will
occur on Thursday behind an intensifying low pressure system.

Gyx watches/warnings/advisories
Me... None.

Nh... Winter weather advisory until 9 pm edt this evening for
nhz001>006-009.

Marine... Small craft advisory until midnight edt tonight for anz150>154.

Near term... Legro


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WELM1 - 8419317 - Wells, ME 14 mi38 min SSW 5.1 G 6 33°F 36°F1020.5 hPa
WEXM1 - Wells Reserve, ME 14 mi56 min S 5.1 34°F 34°F
44030 - Buoy B0102 - Western Maine Shelf 25 mi112 min S 18 G 19 35°F 39°F5 ft1021.4 hPa
BGXN3 - Great Bay Reserve, NH 27 mi71 min ESE 1 35°F 1022 hPa34°F
CASM1 - 8418150 - Portland, ME 32 mi38 min 34°F 36°F1020.2 hPa
44007 - PORTLAND 12 NM Southeast of Portland,ME 34 mi66 min SSW 18 G 21 35°F 38°F5 ft1021.2 hPa (-4.1)35°F
IOSN3 - Isle of Shoals, NH 34 mi56 min S 15 G 16 37°F 1020.8 hPa (-3.2)35°F

Wind History for Wells, ME
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S10
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G29
NW12
G22

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sanford, Sanford Regional Airport, ME5 mi60 minS 32.00 miLight Snow Fog/Mist33°F30°F92%1021.6 hPa
Rochester - Skyhaven Airport, NH14 mi65 minSSE 32.00 miLight Rain Fog/Mist33°F30°F89%1020.1 hPa
Pease Air Force Base / Portsmouth, NH24 mi2 hrsSE 52.00 miLight Rain Snow Fog/Mist33°F31°F94%1021.3 hPa

Wind History from SFM (wind in knots)
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Last 24hrW11
G15
NW9W5CalmNW4W5CalmCalmCalmCalmCalmCalmCalmCalmCalmSW6SW5SW7
G14
S46S6--3S3
1 day agoW19
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W6W7NW4W4NW8NW346NW76W7W10W11
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2 days agoS43CalmW4CalmNW5W7CalmCalmN4CalmW3W11NW13
G21
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W20
G30
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G25

Tide / Current Tables for Wells, Webhannet River, Maine
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Wells
Click for Map
Fri -- 02:45 AM EDT     1.46 feet Low Tide
Fri -- 04:43 AM EDT     Moonrise
Fri -- 06:37 AM EDT     Sunrise
Fri -- 09:07 AM EDT     8.74 feet High Tide
Fri -- 03:15 PM EDT     Moonset
Fri -- 03:21 PM EDT     0.65 feet Low Tide
Fri -- 06:59 PM EDT     Sunset
Fri -- 09:41 PM EDT     8.31 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.52.81.71.52.13.45.16.98.28.78.47.25.43.31.60.70.81.83.55.47.18.18.37.6

Tide / Current Tables for Dover, Cocheco River, Piscataqua River, New Hampshire
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Dover
Click for Map
Fri -- 04:17 AM EDT     1.07 feet Low Tide
Fri -- 04:44 AM EDT     Moonrise
Fri -- 06:39 AM EDT     Sunrise
Fri -- 10:38 AM EDT     6.94 feet High Tide
Fri -- 03:17 PM EDT     Moonset
Fri -- 04:54 PM EDT     0.46 feet Low Tide
Fri -- 07:01 PM EDT     Sunset
Fri -- 11:15 PM EDT     6.64 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
5.54.22.81.61.11.223.34.86.16.86.96.353.41.80.80.50.923.556.16.6

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Northeast    EDIT
Geos

Wind Forecast for Gray/Portland, ME (17,4,5,8)
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Ground Weather Radar Station Portland, ME
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weather_mapweather_map weather_map

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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 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.