Thursday, May25, 2017 L-36.com


Marine Weather and Tides
Newfields, NH

Version 3.4
What's New / NOTES
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 5:08AMSunset 8:12PM Thursday May 25, 2017 4:12 PM EDT (20:12 UTC) Moonrise 5:23AMMoonset 7:59PM Illumination 0% Phase: New Moon; Moon at 0 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- 258 Pm Edt Thu May 25 2017
.small craft advisory in effect through Friday evening...
Tonight..NE winds 15 to 25 kt with gusts up to 30 kt. Seas 7 to 10 ft. Patchy drizzle. Rain...mainly after midnight. Patchy fog. Vsby 1 to 3 nm.
Fri..NE winds 10 to 20 kt...becoming N 15 to 20 kt in the afternoon. Gusts up to 30 kt. Seas 5 to 8 ft... Subsiding to 4 to 5 ft in the afternoon. Patchy fog in the morning. Rain...mainly in the morning with vsby 1 to 3 nm.
Fri night..N winds 10 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of rain in the evening. Patchy fog. Vsby 1 to 3 nm.
Sat..N winds 5 to 10 kt with gusts up to 20 kt... Becoming E in the afternoon. Seas 2 to 4 ft. Patchy fog in the morning with vsby 1 to 3 nm.
Sat night..S winds 5 to 10 kt. Seas 2 to 3 ft.
Sun..S winds 5 to 10 kt...becoming se 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.
Sun night..S winds 10 to 15 kt with gusts up to 20 kt...becoming se 5 to 10 kt after midnight. Seas 2 to 4 ft. A chance of showers after midnight.
Mon..SE winds around 10 kt. Seas around 2 ft. Showers and tstms likely. Vsby 1 to 3 nm.
Mon night..SE winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms.
Tue..S winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
Tue night..S winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers. Winds and seas higher in and near tstms.
ANZ100 258 Pm Edt Thu May 25 2017
Synopsis for stonington me to merrimack river ma out to 25 nm.. Low pressure will move northeast from the mid atlantic coast and into the gulf of maine Friday...before exiting to the northeast Saturday. A narrow ridge of high pressure builds in for Sunday morning ahead of a northward moving warm front. Low pressure to the west lifts north through Monday.

7 Day Forecast for Marine Location Near Newfields, NH
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location: 43.05, -70.91     debug


Area Discussion for - Gray/Portland, ME
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Fxus61 kgyx 251855
afdgyx
area forecast discussion
national weather service gray me
255 pm edt Thu may 25 2017

Synopsis
A broad area of low pressure from the ohio valley through the
mid atlantic coast will slowly lift northeast tonight... Reaching
cape cod by Friday morning. Low pressure will continue
northeast into the maritimes through Friday night. Weak high
pressure will build over the area on Saturday and will shift
offshore on Sunday. Weak low pressure over the eastern great
lakes will lift north into western quebec Sunday night and will
drive a cold front toward the region on Monday. The front will
slowly cross the area late Monday night and Tuesday.

Near term until 6 am Friday morning
Higher pressure and easterly winds have kept much rain from
intruding into northern new england by retarding the advancement
of precipitation into maine and northern and central nh until
the last couple of hours. The flow has intensified along the
coast as the pressure gradient increases low pressure nears.

Temperatures have been kept down in this marine airmass while
northern sections were able to break out into the 60s.

Cam models have been correct in showing a weakness this
afternoon in precipitation fields over nh and especially maine
as energy diverges both towards northern ny state as well as
offshore. We'll see a break in most shower activity more or
less this afternoon and evening... However there will be widely
scattered showers still around... Mainly over the mountains.

Around midnight a stronger short wave associated with this
system will pivot into the area and precipitation will increase
both in intensity and areal coverage. This is when we will see
the bulk of the 1-2 inches with this event. We'll see some heavy
downpours for the overnight period into Friday morning.

Winds are picking up as mixing deepens today and expect ese
winds to gust to 25 kt through the night. Continued with
drizzle tonight mainly in between the two systems as the onshore
flow intensifies. Lows will be in the upper 40s to around 50.

Short term 6 am Friday morning through Friday night
After the heavier rain expected during the morning
hours... Precipitation tapers off to showers by Friday afternoon.

Again the heavier rain will be along the coast with some
enhancement over terrain. The long duration of this event should
preclude any flooding issues but poor drainage areas may see
some brief issues in heavier rainfall that occurs through
tomorrow. Expect temperatures to warm only about 5-10 degrees
from overnight lows tonight to highs Friday. Tomorrow night
clouds will begin to decrease across the region. The upper low
will be engulfed in another circulation south of greenland while
the surface cyclone fills. Overnight lows Friday night will
drop farther in a drier airmass with lows in the 40s most
locations and perhaps up to 50 degrees in warm spots.

Long term Saturday through Thursday
Mean long wave trof position will remain over the great lakes, this
will mean a general cool wet pattern can be expect for the
outlook period with a few dry periods between systems.

Starting with Saturday, the system that exits into the maritimes
allows weak high pres over the area and a drier north to
northwest flow to develop for Saturday into Sunday with cool
temps. By late Sunday into Monday, the next short wave that
rotates around the base of the great lakes trof then moves
northeast bringing another period of wet weather with a
developing onshore flow that keeps temps cool. With the mean
upper trof remaining over the great lakes through mid week a
continue unstable southwest flow with embedded short waves with
keep unsettled conditions through Wednesday. It appears we may
finally get rid of the onshore flow by midweek so temps may
actually get back to near normal high temps reaching into the
70s.

Aviation 19z Thursday through Tuesday
Short term... Ifr lifr ceilings developing today and persisting
through tomorrow. Ese winds will gust to 25 kts most terminals
through tomorrow. Early on llws will affect hie and leb tonight.

Drizzle and fog will affect most TAF sites outside of hie and
leb tonight before the moderate to heavy rain arrives.

Long term... Winds and seas generally light. No flags.

Marine
Short term... Continuing scas through Friday afternoon. At that
point we may need a SCA just for high seas for the outer waters.

Long term... Conditions becomeVFR Sat into Sun before returning to
MVFR conditions for Sun night and Monday and possibly through
midweek in scattered showers.

Tides coastal flooding
Highest astronomical tides of the year on tap for tonight and
Friday night. Have issued a coastal flood advisory for all
coastal zones for around the time of high tide tonight.

Forecast tide will reach 12 feet in portland and with a storm
surge of .3 to .5 feet will likely see splash-over and flooding
of the usual spots around the time of high tide around 1230 am
tonight.

Gyx watches warnings advisories
Me... Coastal flood advisory from 10 pm this evening to 1 am edt
Friday for mez023>028.

Nh... Coastal flood advisory from 10 pm this evening to 1 am edt
Friday for nhz014.

Marine... Small craft advisory until 8 pm edt Friday for anz150>154.

Near term... Hanes
short term... Hanes
long term... Marine


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BGXN3 - Great Bay Reserve, NH 4 mi88 min ENE 8 53°F 1011 hPa50°F
IOSN3 - Isle of Shoals, NH 16 mi73 min NE 30 G 33 50°F 1008 hPa (-2.5)48°F
WELM1 - 8419317 - Wells, ME 26 mi43 min ENE 15 G 20 52°F 1010.8 hPa
44030 - Buoy B0102 - Western Maine Shelf 27 mi69 min NE 19 G 23 51°F 52°F5 ft1010.3 hPa
WEXM1 - Wells Reserve, ME 28 mi73 min NE 12 53°F 48°F
44029 - Buoy A0102 - Mass. Bay/Stellwagen 41 mi69 min ENE 18 G 23 51°F 51°F5 ft1007.1 hPa
44098 - Jeffrey's Ledge, NH (160) 43 mi37 min 49°F6 ft
BHBM3 - 8443970 - Boston, MA 49 mi43 min 52°F 56°F1007.4 hPa

Wind History for Wells, ME
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pease Air Force Base / Portsmouth, NH6 mi75 minNE 15 G 221.00 miLight Rain Fog/Mist51°F48°F91%1009.7 hPa
Rochester - Skyhaven Airport, NH16 mi22 minENE 10 G 194.00 miFog/Mist51°F46°F86%1009.6 hPa

Wind History from PSM (wind in knots)
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Last 24hrSE7SE8SE10SE6SE5S4CalmCalmCalmCalmCalmCalmE3NE5NE3NE6NE8NE8E11E16
G25
--NE12
G20
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G22
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G25
1 day agoSE4S3SE6CalmSE4CalmCalmCalmCalmCalmCalmCalmCalmCalmNW4CalmE3NE3E3SE4SE4E7SE6E7
2 days agoSE9SE8E6E5SE5CalmE5E4E3CalmCalmNW5W3CalmNW4NW5N7N4CalmW5CalmSW4W4SE8

Tide / Current Tables for Squamscott River RR. Bridge, Piscataqua River, New Hampshire
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Squamscott River RR. Bridge
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Thu -- 12:57 AM EDT     8.59 feet High Tide
Thu -- 05:11 AM EDT     Sunrise
Thu -- 05:23 AM EDT     Moonrise
Thu -- 07:42 AM EDT     -1.05 feet Low Tide
Thu -- 01:34 PM EDT     7.82 feet High Tide
Thu -- 03:46 PM EDT     New Moon
Thu -- 07:56 PM EDT     -0.53 feet Low Tide
Thu -- 07:58 PM EDT     Moonset
Thu -- 08:10 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
88.68.16.74.72.40.4-0.8-1-01.94.36.47.67.76.95.33.31.3-0.1-0.50.224.5

Tide / Current Tables for Portsmouth Harbor Entrance, New Hampshire Current
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Portsmouth Harbor Entrance
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Thu -- 12:34 AM EDT     -0.00 knots Slack
Thu -- 03:28 AM EDT     -2.46 knots Max Ebb
Thu -- 05:10 AM EDT     Sunrise
Thu -- 05:22 AM EDT     Moonrise
Thu -- 07:19 AM EDT     0.00 knots Slack
Thu -- 09:23 AM EDT     1.59 knots Max Flood
Thu -- 12:59 PM EDT     -0.00 knots Slack
Thu -- 03:46 PM EDT     New Moon
Thu -- 03:48 PM EDT     -2.29 knots Max Ebb
Thu -- 07:27 PM EDT     0.00 knots Slack
Thu -- 07:57 PM EDT     Moonset
Thu -- 08:09 PM EDT     Sunset
Thu -- 09:45 PM EDT     1.90 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.5-0.4-1.6-2.4-2.4-2-1.4-0.40.81.51.51.10.7-0-1.1-2-2.3-1.9-1.3-0.50.71.71.91.5

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 (16,3,4,5)
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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.