Thursday, September24, 2020
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Marine Weather and Tides
Kennebunkport, ME

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 6:30AMSunset 6:36PM Thursday September 24, 2020 11:57 AM EDT (15:57 UTC) Moonrise 2:56PMMoonset 11:52PM Illumination 49% Phase: First Quarter Moon; Moon at 7 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- 1127 Am Edt Thu Sep 24 2020
This afternoon..SW winds 5 to 10 kt with gusts up to 20 kt, becoming S 10 to 15 kt with gusts up to 20 kt late. Seas 2 to 3 ft.
Tonight..SW winds 5 to 15 kt with gusts up to 20 kt, becoming W around 5 kt after midnight. Seas 2 to 3 ft.
Fri..E winds around 5 kt, becoming se in the afternoon. Seas around 2 ft.
Fri night..SW winds 5 to 10 kt. Seas 2 to 3 ft.
Sat..SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.
Sat night..S winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft.
Sun..S winds 10 to 15 kt. Seas 3 to 5 ft.
Sun night..S winds 10 to 15 kt. Seas 3 to 5 ft.
Mon..S winds 10 to 15 kt. Seas 4 to 6 ft. A chance of showers.
Mon night..S winds 10 to 15 kt. Seas 5 to 7 ft. A chance of showers.
ANZ100 1127 Am Edt Thu Sep 24 2020
Synopsis for stonington me to merrimack river ma out to 25 nm.. A weak cold front will drop south across the waters tonight before returning north as warm front on Friday. High pressure then builds over the western atlantic into the region through the weekend. A cold front will cross the area Monday night.


7 Day Forecast for Marine Location Near Kennebunkport, ME
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location: 43.37, -70.43     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 241523 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1123 AM EDT Thu Sep 24 2020

SYNOPSIS. A weak cold front will sag south into the area late today before stalling, then return north as a warm front on Friday. There will be very little if any relief from the ongoing drought through this weekend before a better chance for scattered showers returns for the beginning of next week. Above normal temperatures are expected to continue through early next week.

NEAR TERM /UNTIL 6 PM THIS EVENING/. 11:00 AM UPDATE . Adjusted Pops, QPF, and sky conditions based on some showers across Somerset and Franklin county Maine. Also brought forecast high temperatures up by a degree or two based on surface observations with PWM already at 76 degrees as of 1451Z. Scattered showers should continue to be a possibility through this afternoon, especially across northern zones. The rest of the forecast appears to be largely on track.

9:30 AM UPDATE . Made some minor adjustments to forecast maximum temperatures, dew point, and sky cover based on surface observations and recent model guidance. Overall it looks to be a warm late September day with an isolated shower chance this afternoon across northern zones. Lighter winds today should help limit fire concerns some despite afternoon RH values falling to around 40 percent or so across southern zones. The rest of the forecast appears to be largely on track.

603 AM . Minor ESTF update to reflect the current mesonet in near term grids.

Prev Disc . At 06z . a cold front extended from Quebec through the upper Great Lakes. GOES water vapor showed a weak shortwave impulse crossing the area at moment accompanied by some scattered clouds. Given light wind regime and narrowing temperature dew point spread . expect we'll see some patchy stratus and fog develop next few hours over the interior valleys of New Hampshire For today. another mostly sunny and warm day with above normal temperatures in the light westerly flow ahead of the approaching cold front. We'll see some afternoon clouds over northern sections ahead of the cold front with the possibility of an isolated sprinkle or shower. Otherwise . another dry day with highs in the mid 70s to around 80 . except a bit cooler for mid coast Maine as well as the international border area.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM FRIDAY/. For tonight . the front will stall across southern sections of the forecast area as an area of high pressure builds by to our north across Quebec Other then a few clouds. we'll see little in the way of sensible weather with this boundary On Friday. the front will retreat north as a warm front. It could touch off a brief sprinkle or shower across mountain sections. Otherwise . another dry and unseasonably warm day with highs in the mid 70s to around except a bit cooler for mid coast Maine as well as the international border area.

LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/. 00Z models in relatively good agreement indicating a dry southwesterly flow will continue Friday night and through the weekend. Warm air advection will allow H8 temperatures to top out at +16C by Sunday over portions of the forecast area. This will allow for daytime highs in the 70s over the weekend with some lower 80s possible over southern New Hampshire. It will be cooler along the Midcoast region where winds will be onshore off the Gulf of Maine. Overnight lows will be mild as well as dew points reach the lower 60s.

A well needed pattern change arrives next week per latest operational and ensemble model suite. There are significant differences between the medium range models however. The GFS and Canadian models are much more progressive sliding an upper level trough eastward from the Great Lakes Monday with showers across our region. The Euro has a much slower solution with much of the energy remaining further to the west Monday as a second upper level low forms further to the south. In any case, a slow moving boundary will move across the region early next week as moisture advects poleward ahead of the system. Have leaned towards GFS/Canadian solution for now with the timing.

After a relatively dry day behind the front on Tuesday, the upper level trough shifts east on Wednesday. This will allow for scattered showers during the day.

A series of cold fronts will then cross the region for Wednesday night and Thursday allowing for much cooler air to enter the region.

AVIATION /15Z THURSDAY THROUGH MONDAY/. Short Term /Through Friday/ . Lcl IFR in valley stratus and fog vicinity of KLEB and KHIE through 12z . otw VFR throughout.

Long Term . Mainly VFR through the weekend. SW winds will increase ahead of a cold front late Sunday with restrictions possible in SHRA and low cigs with the front on Monday.

MARINE. Short Term /Through Friday/ . Quiet on the waters with winds and seas below SCA threshold.

Long Term . Winds and seas will remain below SCA thresholds through the weekend. SW winds will increase ahead of a cold front late Sunday into Monday with gusts approaching 25 kts. Seas will also build to 5 ft late Sunday and will continue to build into Monday night.

FIRE WEATHER. Lighter winds of 10 mph or less are expected today with minimum relative humidity values bottoming out at or above 40 percent. However, given the very dry fuels and drought conditions, we may still need to highlight an elevated fire danger for portions of our area today. No wetting rains are forecast through the upcoming weekend.

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

NEAR TERM . Tubbs SHORT TERM . Tubbs LONG TERM . Cannon


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WELM1 - 8419317 - Wells, ME 8 mi58 min WNW 9.9 G 14 72°F 58°F1013.3 hPa (+1.2)
44030 - Buoy B0102 - Western Maine Shelf 13 mi114 min W 9.7 G 12 61°F 59°F2 ft
44007 - PORTLAND 12 NM Southeast of Portland,ME 19 mi68 min WSW 9.7 G 9.7 62°F 57°F2 ft1012.8 hPa (+1.8)
CASM1 - 8418150 - Portland, ME 22 mi58 min 72°F 57°F
44073 25 mi114 min W 7.8 G 9.7 63°F 59°F
CMLN3 25 mi174 min 4.1 68°F
BGXN3 - Great Bay Reserve, NH 30 mi73 min W 5.1 74°F 1014 hPa60°F
IOSN3 - Isle of Shoals, NH 30 mi58 min SW 8.9 G 8.9 67°F 1013.3 hPa (+1.4)58°F
44098 - Jeffrey's Ledge, NH (160) 42 mi53 min 60°F3 ft

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sanford, Sanford Regional Airport, ME14 mi62 minWSW 910.00 miFair73°F54°F51%1013.8 hPa
Portland, Portland International Jetport, ME21 mi67 minWSW 910.00 miPartly Cloudy76°F51°F42%1012.8 hPa

Link to 5 minute data for KSFM

Wind History from SFM (wind in knots)
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2 days agoNE8E9SE53SE74SE4CalmCalmW3CalmSW3CalmCalmCalmE3CalmCalmCalmCalmN4N5N10N12
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Tide / Current Tables for Cape Porpoise, Maine
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Cape Porpoise
Click for Map
Thu -- 05:43 AM EDT     8.55 feet High Tide
Thu -- 06:31 AM EDT     Sunrise
Thu -- 11:41 AM EDT     0.86 feet Low Tide
Thu -- 02:56 PM EDT     Moonrise
Thu -- 06:00 PM EDT     9.45 feet High Tide
Thu -- 06:34 PM EDT     Sunset
Thu -- 11:51 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-01.13.15.37.28.38.57.86.14.12.21.10.91.73.45.67.699.497.55.43.11.3

Tide / Current Tables for Wood Island Harbor, Maine
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Wood Island Harbor
Click for Map
Thu -- 05:33 AM EDT     8.64 feet High Tide
Thu -- 06:31 AM EDT     Sunrise
Thu -- 11:23 AM EDT     0.87 feet Low Tide
Thu -- 02:56 PM EDT     Moonrise
Thu -- 05:50 PM EDT     9.55 feet High Tide
Thu -- 06:34 PM EDT     Sunset
Thu -- 11:50 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.21.63.65.87.68.58.57.65.73.61.911.12.146.189.29.58.87.24.92.60.9

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
Ground Weather Radar Station Portland, ME
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