Friday, August14, 2020
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Marine Weather and Tides
South Eliot, 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 5:47AMSunset 7:48PM Friday August 14, 2020 4:41 AM EDT (08:41 UTC) Moonrise 12:58AMMoonset 4:37PM Illumination 21% Phase: Waning Crescent; Moon at 25 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- 252 Am Edt Fri Aug 14 2020
.small craft advisory in effect from late tonight through Saturday evening...
Today..NE winds 5 to 10 kt. Seas around 2 ft.
Tonight..NE winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 25 kt after midnight. Seas 2 to 3 ft.
Sat..NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft.
Sat night..NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft.
Sun..NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft.
Sun night..E winds 5 to 10 kt. Seas 5 to 6 ft. A chance of showers after midnight.
Mon..E winds 5 to 10 kt. Seas 4 to 5 ft. A chance of showers.
Mon night..E winds 5 to 10 kt, becoming N after midnight. Seas 4 to 5 ft. A chance of showers in the evening.
Tue..NW winds around 5 kt, becoming sw in the afternoon. Seas 3 to 4 ft.
Tue night..SW winds 5 to 10 kt, becoming nw after midnight. Seas 2 to 3 ft.
ANZ100 252 Am Edt Fri Aug 14 2020
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure builds by to our north through the weekend providing a gusty northeast flow and building seas to the waters. A slow moving frontal system will approach the area by early next week. &&


7 Day Forecast for Marine Location Near South Eliot, ME
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location: 43.12, -70.83     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 140648 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 248 AM EDT Fri Aug 14 2020

SYNOPSIS. An area of high pressure will build by to our north through the weekend. A developing onshore flow will bring noticeably cooler weather to the region for the weekend. A slow moving frontal system could bring rain early next week.

NEAR TERM /THROUGH TODAY/. At 06z . a 1028 millibar high was centered over eastern Canada. A weak secondary cold front stretched from the Bay of Fundy through central New England accompanied by scattered mid and high clouds For today. the weak boundary will continue to settle slowly south and provide a focus for isolated showers across interior southern and central New Hampshire this afternoon Otherwise. a dry day with partly to mostly sunny skies and comfortable humidity levels. Highs today will be in the lower and mid 80s . with upper 70s near the international border.

SHORT TERM /TONIGHT THROUGH 6 PM SATURDAY/. Tonight . we're sandwiched between the high centered to our north and low pressure passing well to our south. The surface gradient will tighten overnight and the northeast flow may spread some clouds south and west into mainly coastal sections overnight along with the chance of some spotty drizzle. Lows tonight will range from the mid 50s to lower 60s. Little change on Saturday as the gusty northeast flow remains in place between the offshore disturbance and the surface high parked over the maritimes The onshore flow. daytime heating and a passing upper trough/closed low should produce a blend of clouds and sunshine along with the chance of a passing shower over southern and western sections of the forecast area. Highs tomorrow will be in the 70s.

LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/. General synoptic pattern will consist of a weak 500mb ridge and sprawling Canadian surface high pressure to the north during the beginning of next week. Pattern will shift towards broad 500mb cyclonic flow as an upper level trough moves over New England and Quebec province. Forecast confidence is near average with general agreement on overall pattern evolution between model families. Overall temperatures look to be much cooler than what has been experienced thus far in August with seasonable to slightly below normal temperatures. Precipitation chances still look sporadic with chances of showers during the beginning of next week. Overall no impactful weather is expected and no improvement in drought conditions on the horizon.

Saturday night into Sunday easterly onshore flow is expected to continue with a significant marine push keeping high temperatures mostly in the mid to upper 70s. Guidance is struggling on shower potential during Sunday afternoon with latest guidance trending towards a drier solution as an of low pressure stays well south of the area. Next chance for showers looks to be late Monday into Tuesday as a surface cold front approaches the region. Drying is likely along with comfortable conditions by mid-week as Canadian high pressure is expected behind the cold front.

AVIATION /06Z FRIDAY THROUGH TUESDAY/. Short Term /Through Saturday/ . VFR . xcp valley stratus and fog with lcl IFR psb through 12z today. Isold -SHRA psb over SW NH this afternoon. Areas of MVFR cigs possible after 08z Sat.

Long Term . MVFR cigs are possible Saturday night along coastal TAF sites as a strong marine push could push a low maritime stratus inland. In addition, patchy valley fog could be possible across interior valley locations for a few hours in the early morning hours. Sunday MVFR cigs could continue as moisture is on the increase and the marine layer could hang tough.

MARINE. Short Term /Through Saturday/ . Northeast flow will gradually strengthen by tonight with gusty NE winds and building seas bringing SCA conditions across the open waters late Friday night through the day Saturday.

Long Term . Northeast flow will continue Saturday night into Sunday although winds could drop below SCA conditions. Seas will remain around 5 feet straight into Monday, before flow weakens. A weak surface cold front is expected to cross the coastal waters Monday night into Tuesday.

GYX WATCHES/WARNINGS/ADVISORIES. ME . None. NH . None. MARINE . Small Craft Advisory from 4 AM to 7 PM EDT Saturday for ANZ150- 152-154.

NEAR TERM . Schwibs SHORT TERM . Schwibs LONG TERM . Dumont Aviation . Schwibs Marine . Schwibs/Dumont


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BGXN3 - Great Bay Reserve, NH 4 mi117 min Calm 60°F 1018 hPa60°F
IOSN3 - Isle of Shoals, NH 15 mi42 min N 12 G 14 73°F 1017.1 hPa (-0.6)65°F
44073 17 mi98 min WSW 1.9 G 3.9 70°F 67°F
WELM1 - 8419317 - Wells, ME 20 mi54 min N 6 G 7 69°F 71°F1017.9 hPa
WEXM1 - Wells Reserve, ME 21 mi102 min NW 5.1 69°F 62°F
44030 - Buoy B0102 - Western Maine Shelf 22 mi98 min W 3.9 G 5.8 1 ft
44098 - Jeffrey's Ledge, NH (160) 42 mi37 min 67°F1 ft
44029 - Buoy A0102 - Mass. Bay/Stellwagen 44 mi98 min NNW 3.9 G 3.9 67°F 1 ft1015.3 hPa
44007 - PORTLAND 12 NM Southeast of Portland,ME 46 mi52 min NNW 7.8 G 9.7 69°F 67°F1 ft1017.4 hPa (-0.6)
CASM1 - 8418150 - Portland, ME 48 mi54 min 71°F 67°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pease Air Force Base / Portsmouth, NH2 mi46 minNW 310.00 miPartly Cloudy65°F59°F83%1017.5 hPa
Rochester - Skyhaven Airport, NH12 mi51 minNW 610.00 miFair64°F59°F84%1017.7 hPa
Sanford, Sanford Regional Airport, ME21 mi46 minSW 310.00 miFair59°F57°F93%1018.7 hPa

Link to 5 minute data for KPSM

Wind History from PSM (wind in knots)
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Last 24hrNW5NW6NW4NW4W3N5CalmSE6E7SE7SE9SE8SE6S6S5CalmCalmCalmCalmCalmCalmCalmCalmNW3
1 day agoSW6SW4SW5W6W7W7SW8SW7SW5W6W7W5NW6W3W4CalmCalmCalmNW3NW5NW5NW4CalmNW4
2 days agoW4W4W6W6W5SW4S6SW5E7E8N4S11SE12S10SE7SE6S6SW8SW9SW6S5S7SW8SW6

Tide / Current Tables for Dover Point, Piscataqua River, New Hampshire
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Dover Point
Click for Map
Fri -- 12:57 AM EDT     Moonrise
Fri -- 03:04 AM EDT     1.00 feet Low Tide
Fri -- 05:48 AM EDT     Sunrise
Fri -- 09:23 AM EDT     5.39 feet High Tide
Fri -- 03:08 PM EDT     1.35 feet Low Tide
Fri -- 04:36 PM EDT     Moonset
Fri -- 07:46 PM EDT     Sunset
Fri -- 09:33 PM EDT     6.27 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.42.21.311.21.92.94.14.95.45.34.73.82.61.71.41.52.23.34.55.66.26.25.7

Tide / Current Tables for Portsmouth Harbor Entrance, New Hampshire Current
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Portsmouth Harbor Entrance
Click for Map
Fri -- 12:57 AM EDT     Moonrise
Fri -- 04:08 AM EDT     0.00 knots Slack
Fri -- 05:42 AM EDT     0.70 knots Max Flood
Fri -- 05:48 AM EDT     Sunrise
Fri -- 09:26 AM EDT     -0.00 knots Slack
Fri -- 12:12 PM EDT     -1.39 knots Max Ebb
Fri -- 04:07 PM EDT     0.00 knots Slack
Fri -- 04:36 PM EDT     Moonset
Fri -- 06:05 PM EDT     1.02 knots Max Flood
Fri -- 07:45 PM EDT     Sunset
Fri -- 09:57 PM EDT     -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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-1.5-1.4-1.1-0.8-0.10.50.70.40.20.1-0.3-1-1.4-1.3-1-0.7-0.10.610.80.50.3-0-0.8

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 (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.