Wednesday, July15, 2020
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Marine Weather and Tides
Kennebunk, 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 5:13AMSunset 8:22PM Wednesday July 15, 2020 3:19 AM EDT (07:19 UTC) Moonrise 1:21AMMoonset 3:43PM Illumination 26% 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- 247 Am Edt Wed Jul 15 2020
Today..NE winds 10 to 20 kt, becoming E 5 to 15 kt this afternoon. Seas 3 to 4 ft. A slight chance of showers this morning.
Tonight..NE winds 5 to 10 kt. Seas 2 to 3 ft.
Thu..E winds 5 to 10 kt. Seas 2 to 3 ft.
Thu night..S winds 5 to 10 kt. Seas around 2 ft.
Fri..S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Fri night..S winds 10 to 15 kt, becoming sw 5 to 10 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft.
Sat..SW winds 5 to 10 kt. Seas 2 to 3 ft.
Sat night..SW winds 5 to 10 kt. Seas around 2 ft.
Sun..SW winds 5 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Sun night..SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft.
ANZ100 247 Am Edt Wed Jul 15 2020
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure gradually builds into new england from the canadian maritimes through Thursday. A warm front crosses the waters Friday, with high pressure returning on Saturday. &&


7 Day Forecast for Marine Location Near Kennebunk, ME
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location: 43.32, -70.56     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 150708 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 308 AM EDT Wed Jul 15 2020

SYNOPSIS. A ridge of high pressure gradually builds in from the north today before moving offshore late Thursday. A frontal system will cross the area Thursday night into Friday, accompanied by showers and thunderstorms. Temperatures and humidity will increase toward the end of the week as well.

NEAR TERM /THROUGH TODAY/. At 06z . a 1027 millibar high was centered over eastern Canada. a weak surface trough was over western New England. GOES water vapor imagery showed an exiting upper low over the Gulf of Maine. Clouds and widely scattered showers continue to pivot around the upper low to our east. Drier air should begin to work in from the north today as the upper low retreats well offshore and the surface ridge begins to nose into the area However. across northern and western New Hampshire and especially the higher terrain there may be enough residual moisture for a brief pop up shower through late afternoon. Highs today will be mainly in the 70s . with some lower 80s for the Connecticut valley.

SHORT TERM /TONIGHT THROUGH 6 PM THURSDAY/. Becoming mainly clear for a time tonight as the ridge continues to build into the area with some patchy fog developing overnight. We'll see some warm air advection clouds overspread western sections late as the surface ridge begins to shift eastward On Thursday. we'll see partly sunny skies with the chance for a late day shower or thunderstorm along the Connecticut valley ahead of an approaching impulse. Highs will be mainly in the 70s given the onshore flow . with upper 60s along the Maine mid coast . and lower 80s along the Connecticut valley.

LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/. A surface ridge of high pressure will stubbornly exit off the coast of Maine Thursday night, allowing for short wave energy to approach from the west on Friday. A warm front will cross through the region during the morning and midday in a strong warm air advection pattern. As the atmosphere destabilizes during the mid to late afternoon and evening hours, convection will begin. Scattered thunderstorms may product gusty winds and hail, with a few of the storms producing locally heavy rainfall as precipitable water values increase to very high levels.

A southwesterly flow both at the surface and aloft develops over the weekend. It will become very warm on Saturday, with highs mainly in the 80s. However, some lower 90s can be expected over southern New Hampshire with dew points well into the 60s.

Temperatures keep climbing on Sunday as H8 temperatures top out at +20C. Dew points will nudge slightly higher and with the heat, apparent temperatures will peak out in the 90s in most areas. Temperatures along the Midcoast region of Maine will be cooler do to an onshore flow off the Gulf of Maine.

A cold front will cross the region Monday afternoon. Ahead of this front, the heat will continue to be fully established. Humidity levels will be on the increase as well with dew points climbing into the lower 70s. It will be dangerously hot and humid with apparent temperatures above 100 degrees in some areas, particularly southern New Hampshire.

This front will trigger scattered showers and thunderstorms during the midday through the evening hours. Behind the front, cooler and drier conditions expected for Tuesday and Wednesday of next week.

AVIATION /06Z WEDNESDAY THROUGH SUNDAY/. Short Term /Through Thursday/ . Areas of MVFR cigs with lcl IFR in fog through 13z . then improving to VFR throughout. Lcl IFR psb in valley stratus and fog 08 - 12z Thu . otw VFR conditions continue.

Long Term . MVFR or IFR conditions possible in scattered showers and locally strong thunderstorms on Friday. Mainly VFR conditions over the weekend, followed by lowering of ceilings and visibilities in showers and thunderstorms once again on Monday.

MARINE. Short Term /Through Thursday/ . Northeast flow today will gust up to 20 kt outside the bays with seas averaging 2 to 4 ft. South of Casco Bay we could see a brief period of seas near 5 ft later today Otherwise. expect quiet conditions on the waters.

Long Term . Winds and seas may reach SCA thresholds Friday ahead of an approaching cold front and again Friday night as the front moves through the region.

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

NEAR TERM . Schwibs SHORT TERM . Schwibs LONG TERM . Cannon


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WELM1 - 8419317 - Wells, ME 0 mi50 min 66°F1020.1 hPa
WEXM1 - Wells Reserve, ME 1 mi80 min N 1.9 63°F 63°F
44030 - Buoy B0102 - Western Maine Shelf 12 mi76 min NE 12 G 16 4 ft1026.1 hPa
44073 21 mi136 min NE 12 G 14 67°F 67°F
BGXN3 - Great Bay Reserve, NH 23 mi95 min Calm 65°F 1020 hPa64°F
IOSN3 - Isle of Shoals, NH 25 mi80 min NE 14 G 17 64°F 1018.4 hPa (+0.0)64°F
44007 - PORTLAND 12 NM Southeast of Portland,ME 26 mi30 min NE 9.7 G 12 64°F 66°F4 ft1019.1 hPa (+0.8)
CASM1 - 8418150 - Portland, ME 29 mi50 min 66°F
44098 - Jeffrey's Ledge, NH (160) 42 mi75 min 66°F5 ft

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
Sanford, Sanford Regional Airport, ME9 mi24 minNNE 710.00 miLight Rain63°F62°F97%1020.7 hPa
Rochester - Skyhaven Airport, NH19 mi29 minN 310.00 miOvercast64°F60°F87%1019.8 hPa
Pease Air Force Base / Portsmouth, NH21 mi24 minNE 115.00 miFog/Mist64°F60°F91%1019.8 hPa

Link to 5 minute data for KSFM

Wind History from SFM (wind in knots)
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Last 24hrW3CalmCalmN3N7NW18
G33
------N9E5NE56E11E9NE5NE4NE5CalmN4NE6N8N7N7
1 day agoCalmCalmCalmCalmCalmCalmCalmW4Calm44NE7354CalmNE3N4N7CalmW3CalmCalmNW4
2 days agoS43S5S5SW11
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Tide / Current Tables for Wells, Webhannet River, Maine
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Portsmouth Harbor Entrance, New Hampshire Current
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Portsmouth Harbor Entrance
Click for Map
Wed -- 01:21 AM EDT     Moonrise
Wed -- 03:50 AM EDT     0.00 knots Slack
Wed -- 05:17 AM EDT     Sunrise
Wed -- 05:23 AM EDT     0.66 knots Max Flood
Wed -- 09:09 AM EDT     -0.00 knots Slack
Wed -- 11:54 AM EDT     -1.45 knots Max Ebb
Wed -- 03:42 PM EDT     Moonset
Wed -- 03:54 PM EDT     0.00 knots Slack
Wed -- 05:48 PM EDT     0.99 knots Max Flood
Wed -- 08:19 PM EDT     Sunset
Wed -- 09:50 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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-1.5-1.3-1.1-0.60.10.60.60.40.30.1-0.5-1.2-1.4-1.3-1-0.60.10.810.70.60.4-0.1-0.9

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 (3,6,7,8)
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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 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.