Tuesday, March19, 2019 L-36.com


Marine Weather and Tides
Sanford, ME

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:47AMSunset 6:55PM Tuesday March 19, 2019 7:35 PM EDT (23:35 UTC) Moonrise 5:16PMMoonset 6:18AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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- 622 Pm Edt Tue Mar 19 2019
Tonight..W winds around 5 kt. Seas 1 foot or less.
Wed..SW winds around 5 kt, becoming S 5 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then 2 to 3 ft in the afternoon.
Wed night..S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Thu..S winds 10 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers in the afternoon.
Thu night..S winds 10 to 15 kt, becoming se after midnight. Seas 4 to 7 ft. Rain.
Fri..N winds 10 to 20 kt, becoming nw in the afternoon. Gusts up to 30 kt. Seas 6 to 9 ft. Rain.
Fri night..NW winds 15 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft. A chance of snow showers. Rain in the evening, then a chance of showers after midnight. Vsby 1 to 3 nm.
Sat..NW winds 20 to 25 kt with gusts up to 35 kt. Seas 4 to 7 ft.
Sat night..NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft.
Sun..W winds 10 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Sun night..W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
ANZ100 622 Pm Edt Tue Mar 19 2019
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure axis crests over the gulf of maine tonight. A southwest flow begins as the high moves east Wednesday. A cold front approaches from the west on Thursday before stalling. Low pressure will track north along the front near new england on Friday. &&


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 192220
afdgyx
area forecast discussion
national weather service gray me
620 pm edt Tue mar 19 2019

Synopsis
High pressure overhead tonight will provide for fair weather and
cold overnight lows. As it moves offshore tomorrow a southwest
wind will bring warmer air back into the area for Wednesday and
Thursday. A cold front approaches from the west Thursday into
Friday, but it will stall as it arrives into northern new
england. Low pressure developing over the carolinas will track
north along this front and bring precipitation to new england
mainly on Friday. Rain is expected for most locations, but
accumulating snow is possible in the mountains.

Near term through Wednesday
620pm update... Another clear and calm night in store for us.

With dewpoints relatively low and an absence of cloud cover,
expect most locations to radiate well tonight with temperatures
falling rapidly over the next few hours.

Previous discussion...

high pressure overhead tonight will provide mostly clear
conditions and lead to another good radiational cooling night.

Have once again undercut guidance mins. Otherwise, boundary
layer cumulus across southern zones should dissipate early this
evening.

Short term Wednesday night
Southwest flow develops on Wednesday as high pressure moves
offshore. Should see a fine day, even though there could be some
mid clouds from time to time. Highs will be a good 7-12 degrees
higher than today's readings. Mostly clear skies are expected
for a good portion of Wednesday night before clouds increase
from the west late. While low temperatures will not get down to
the levels we will see tonight, there will be ample opportunity
to radiate as the low levels decouple.

Long term Thursday through Tuesday
Ensemble and deterministic model solutions remain in decent
agreement on the long wave pattern through day ten. Pacific
energy will temporarily break down the upper ridge centered over
the western CONUS early in the period. The ridge will weaken and
gradually translate east into the great lakes and mid atlantic
region by this weekend. The downstream trough initially here in
the east will see phasing of northern and southern stream energy
with developing coastal system paralleling the coast late Thursday
and Friday. Behind this system... The upper trough closed low will
lift out by the second half of the weekend with rising heights
and a more westerly flow proving a brief warm up for Sunday and
Monday. By Tuesday and Wednesday the western CONUS ridge has
reestablished itself with a downstream trough once again here in
the east. In the dailies... A cold front approaches from the great
lakes Thursday while low pressure develops along the carolina
coast. Rain and snow showers should transition to a steadier rain
and snow by Thursday night with the approaching coastal low.

At this point... Thermal profiles suggest largely a rain event for
the coastal plain with a stripe of wet snow further north and west
across the mountains and over the higher terrain. However... P-type
is highly sensitive to slight change in storm track and resultant
thermal profiles... So relatively low confidence in both precipitation
type and potential snow accumulation at this time. In the wake
of this system... Cold cyclonic flow will produce clouds and scattered
snow and rain showers later Friday into Saturday. High pressure
builds by to our south for Sunday and Monday. A backdoor cold
front will likely settle south across the area on Monday. High
pressure and much cooler weather follows for Tuesday and Wednesday.

Aviation 22z Tuesday through Sunday
Short term...VFR conditions with relatively light winds tonight
through Wednesday night.

Long term...

thu... MVFR in -shra -shsn. Southerly wind gusting to 25 kt.

Thu night - fri... Widespread ifr in sn and ra.

Fri night - sat... Sct MVFR in mtn -shsn.

Westerly wind gusting to 25 kt.

Marine
Short term... High pressure crossing the gulf of maine will bring
light winds and seas tonight. A southwest flow develops behind
the high on Wednesday and Wednesday night but conditions should
remain below small craft thresholds.

Long term...

thu - sat... Sca's likely... With gales psb outside the bays.

Sun... Sca's are psb outside the bays.

Tides coastal flooding
Astronomical tides will be quite high Thursday and Friday (over
11 ft mllw at portland) while low pressure affects the region.

Depending on the eventual low track, duration of onshore flow,
and wave heights we may have some coastal flooding on the
southern me coast and the nh seacoast. Likely minor in nature
but will continue to monitor trends.

Gyx watches warnings advisories
Me... None.

Nh... None.

Marine... None.

Pohl


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WEXM1 - Wells Reserve, ME 14 mi96 min N 2.9 39°F 13°F
WELM1 - 8419317 - Wells, ME 14 mi42 min NW 8 G 12 38°F 41°F1027.7 hPa
44030 - Buoy B0102 - Western Maine Shelf 26 mi92 min S 9.7 G 12 37°F 38°F1 ft1026.8 hPa
BGXN3 - Great Bay Reserve, NH 27 mi111 min WNW 5.1 41°F 1028 hPa13°F
CASM1 - 8418150 - Portland, ME 32 mi42 min 36°F 38°F
44007 - PORTLAND 12 NM Southeast of Portland,ME 34 mi46 min S 14 G 16 36°F 38°F1 ft1027 hPa (-0.0)24°F
IOSN3 - Isle of Shoals, NH 34 mi36 min WNW 12 G 13 39°F 1027.2 hPa (+0.7)

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sanford, Sanford Regional Airport, ME5 mi40 minNW 610.00 miFair35°F1°F24%1028.3 hPa
Rochester - Skyhaven Airport, NH14 mi45 minNNW 1010.00 miFair34°F7°F32%1027.5 hPa
Pease Air Force Base / Portsmouth, NH24 mi40 minWNW 710.00 miA Few Clouds37°F4°F25%1027.4 hPa

Wind History from SFM (wind in knots)
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Last 24hrCalmW3CalmW3CalmCalmCalmCalmCalmCalmCalmCalmCalmNE4364W13W9NW13
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1 day agoNW4NW3NW4NW4W5W5CalmCalmW4Calm--SW6W7W8W16W15
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Tide / Current Tables for Kennebunkport, Maine
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Kennebunkport
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Tue -- 04:16 AM EDT     -0.38 feet Low Tide
Tue -- 06:16 AM EDT     Moonset
Tue -- 06:47 AM EDT     Sunrise
Tue -- 10:32 AM EDT     10.25 feet High Tide
Tue -- 04:53 PM EDT     -1.19 feet Low Tide
Tue -- 05:14 PM EDT     Moonrise
Tue -- 06:52 PM EDT     Sunset
Tue -- 11:08 PM EDT     9.70 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.45.12.60.6-0.3-01.53.96.68.810.110.18.96.73.81.1-0.7-1.2-0.41.64.478.99.7

Tide / Current Tables for Salmon Falls River entrance, Piscataqua River, New Hampshire
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Salmon Falls River entrance
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Tue -- 05:52 AM EDT     -0.30 feet Low Tide
Tue -- 06:17 AM EDT     Moonset
Tue -- 06:48 AM EDT     Sunrise
Tue -- 11:51 AM EDT     8.18 feet High Tide
Tue -- 05:16 PM EDT     Moonrise
Tue -- 06:29 PM EDT     -0.95 feet Low Tide
Tue -- 06:54 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.26.44.931.20-0.30.42.14.36.47.88.27.66.24.11.90.1-0.8-0.80.42.44.76.6

Weather Map and Satellite Images
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GOES 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.
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Wind Forecast for Gray/Portland, ME (19,4,5,8)
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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 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.