Tuesday, September29, 2020
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L-36.com

Marine Weather and Tides
Gray, 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 6:36AMSunset 6:27PM Tuesday September 29, 2020 11:54 PM EDT (03:54 UTC) Moonrise 6:00PMMoonset 4:03AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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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ANZ153 Casco Bay- 958 Pm Edt Tue Sep 29 2020
.gale warning in effect from 6 am edt Wednesday through Wednesday morning...
Overnight..S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 2 to 4 ft. Patchy fog late this evening, then areas of fog. Areas of fog late. A slight chance of showers late this evening, then rain with a chance of tstms. Vsby 1 to 3 nm, decreasing to variable to less than one quarter nm late.
Wed..S winds 20 to 30 kt with gusts up to 45 kt, becoming sw 10 to 20 kt with gusts up to 30 kt in the afternoon. Seas 4 to 7 ft. Rain, mainly in the morning. Vsby variable to less than one quarter nm in the morning.
Wed night..SW winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft.
Thu..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Thu night..SW winds 5 to 10 kt, becoming nw after midnight. Seas 2 to 4 ft.
Fri..NE winds around 5 kt, becoming E around 5 kt in the afternoon. Seas 2 to 3 ft. A chance of showers in the afternoon.
Fri night..E winds 5 to 10 kt, becoming W after midnight. Seas around 2 ft. A chance of showers.
Sat..NW winds 5 to 10 kt. Seas around 2 ft.
Sat night..N winds around 5 kt. Seas around 2 ft.
Sun..NE winds around 5 kt, becoming se in the afternoon. Seas around 2 ft.
Sun night..SE winds around 5 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms.
ANZ100 958 Pm Edt Tue Sep 29 2020
Synopsis for stonington me to merrimack river ma out to 25 nm.. A cold front will sweep across the waters Wednesday accompanied by strong wind gusts. An area of low pressure will cross the area late Friday into Saturday.


7 Day Forecast for Marine Location Near Gray, ME
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location: 43.87, -70.27     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 300205 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1005 PM EDT Tue Sep 29 2020

SYNOPSIS. A southerly flow will maintain warm and humid conditions across the area into Wednesday. Showers will become widespread by tonight ahead of an approaching cold front with the rainfall heavy at times overnight into Wednesday morning. Along with the rain will be very windy conditions. A cold front will cross the region Wednesday. We will see cooler and less humid air behind the cold front for the remainder of the week. Unfortunately, it will remain unsettled as a broad upper trough remains parked nearby. Low pressure will move along the New England coast on Friday.

NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/. 10 PM . Mainly made some adjustments to QPF, based on high rainfall in the Ct vly region, KLEB reported 2/3 inch in two hours, but think overall should see limited QPF in most places through most of tonight, with another surge of heavier rain in the pre-dawn hours. Also adjusted temps a bit, and mins may have gone up in a few spots. Temps should actually stay steady or rise a bit in advance of the fropa early in the morning.

705 PM . A few minor adj to timing of rain arrival, fog area, and temps overnight, although noting that significantly affects forecast. Showers continue across NH this evening and eventually increase in coverage as they shift E into wrn ME around midnight, and eventually become steadier rain during the pre- dawn, with a chc for some isol thunder after midnight, and assc fine line of convection that crosses CWA early Wed morning, when we will see the best chc for strong wind gusts.

Previously . Lead S/WV trof is leading to some showers ahead of the main area of rain along the cold front. These will drift across NH the remainder of this afternoon. While the front is slowing down as the L/WV trof amplifies . these showers ahead may persist into the evening and PoP may need to come up for the Wrn half of the forecast area.

Conditions deteriorate all around tonight . especially late. A larger area of rain will consolidate in the Mid Atlantic and move Nwd into the region. This is where we will get the bulk of our rainfall from across the majority of the forecast area. Training of precip and orographic forcing will help to maximize totals along the higher terrain. 1 to 2 inches is expected in the mtns . while generally 0.75 to 0.50 inches will fall outside that zone.

I do expect some fog to form again tonight but rainfall and increasing winds should keep things mixed enough to preclude a dense fog advisory this time.

Most impactful will be the winds late tonight. Model forecasts continue to rapidly develop a wave of low pressure along the frontal boundary. That low will cut Nwd thru the forecast area . and lift a strong LLJ across SErn zones towards daybreak. Most model guidance shows 925 mb winds between 65 and 75 knots in the core of the LLJ The bulk of this stays offshore. but from PWM to Penobscot Bay the nose of the jet should push inland Lapse rates are more or less neutral. and wind direction is more SSW than SE . so less favorable for strong wind gusts However. 70 knots at that level is typically good enough for gusts in excess of 45 mph at the surface. I have issued a wind advisory for coastal zones . as well as inland to I-95 in Wrn ME where the LLJ will be strongest. It will be a fairly narrow time window . about 3 to 4 hours . ahead of the cold front/fine line convection. Winds will quickly diminish behind the front and moderate to heavy rain comes to an end.

SHORT TERM /6 AM WEDNESDAY MORNING THROUGH WEDNESDAY NIGHT/. Frontal boundary pushes E of the area Wed morning . with some showery precip continuing under the upper trof axis until the afternoon. It will be breezy at times during the day in CAA . but not as windy as tonight. Cooler and drier conditions are expected during the afternoon . but still reaching the 70s along the coast. Temps gradually cool off into the 40s and lower 50s Wed night.

LONG TERM /THURSDAY THROUGH TUESDAY/. The long range forecast period will begin relatively dry on Thursday as a cold front approaches New England from the west. There may be sufficient moisture to trigger a shower over the far northern areas during the day and into the evening hours. Ahead of this front, it will continue to be mild with highs topping out in the 60s in the north to the lower 70s in the south.

12Z operational and ensemble models remain in relatively good agreement developing a surface low over the Mid Atlantic region before it crosses coastal New England late Friday and Friday night. This will allow for showers and fog to reenter the region before the system heads into the Canadian Maritimes on Saturday. The greatest chance for showers may actually be displaced to northern areas in an area of best upper level support.

Drier and cooler air will follow over the weekend. However, a large upper level low will remain to our west, allowing clouds to build over the region at times, especially over northern areas.

A negatively tilted upper level trough will approach from the west early next week. This will allow for more vigorous cyclogenesis along the Mid Atlantic coast once again.

AVIATION /02Z WEDNESDAY THROUGH SUNDAY/. Short Term . LIFR lurking just off the coast will move back into coastal areas between 00z and 04z. It will move back into parts of the Midcoast first . including RKD . and farther SW along the coast later. Best chance to keep MVFR conditions overnight will be HIE and then LEB . but otherwise IFR or lower is expected at all other terminals. Strong LLJ moves overhead very late tonight . and LLWS is expected at all terminals between 06z and 12z While widespread convection is not expected. some elevated TSRA are possible in this window as well. VFR conditions will return Wed afternoon.

Long Term . Dry conditions will allow for VFR conditions on Thursday. Conditions lowering to IFR in showers and patchy fog as low pressure develops along the New England coastline Friday into Friday night. VFR conditions develop over the weekend as high pressure enters the region.

MARINE. Short Term . Very late tonight Sly flow will increase sharply as core of LLJ moves overhead. I have upgraded the gale watch to warnings for all zones . as gusts in excess of 40 kt look likely. Will also see areas of fog ahead of the cold front once again tonight . though clearing will occur quickly behind the boundary. Seas will gradually diminish Wed afternoon and evening.

Long Term . Southwest winds will gradually be diminishing Thursday and Thursday night with seas subsiding as well. Northeast winds will be developing Friday as low pressure develops along the New England coastline. A drier westerly flow will develop Saturday as the system exits the region.

GYX WATCHES/WARNINGS/ADVISORIES. ME . Wind Advisory from 6 AM to noon EDT Wednesday for MEZ019>028. NH . Wind Advisory from 6 AM to noon EDT Wednesday for NHZ014. MARINE . Gale Warning from 6 AM to noon EDT Wednesday for ANZ151-153. Gale Warning from 6 AM to 4 PM EDT Wednesday for ANZ150-152- 154.

SYNOPSIS . NEAR TERM . Cempa/Legro SHORT TERM . Legro LONG TERM . Cannon AVIATION . MARINE .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 15 mi55 min 66°F 58°F
44007 - PORTLAND 12 NM Southeast of Portland,ME 25 mi65 min S 14 G 16 63°F 59°F3 ft1009.7 hPa (-0.7)
WELM1 - 8419317 - Wells, ME 41 mi55 min SSW 7 G 8.9 63°F 59°F1010.1 hPa (-0.6)
44030 - Buoy B0102 - Western Maine Shelf 48 mi111 min SSE 14 G 18 64°F 62°F4 ft

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Auburn-Lewiston, ME12 mi59 minSSE 710.00 miLight Rain64°F63°F96%1010.7 hPa
Portland, Portland International Jetport, ME15 mi64 minS 810.00 miOvercast67°F63°F87%1010.3 hPa

Link to 5 minute data for KLEW

Wind History from LEW (wind in knots)
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Last 24hrS4S7S5S5S5S6SE3SE6S6S4S7S9S5S7SE9SE8SE7S7S8SE6SE4SE5SE5S7
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2 days agoS5SE3CalmS4CalmS4S4SE4CalmSE5S7S7SW11S14
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Tide / Current Tables for Prince Point, Maine
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Prince Point
Click for Map
Tue -- 04:03 AM EDT     Moonset
Tue -- 04:16 AM EDT     0.19 feet Low Tide
Tue -- 06:36 AM EDT     Sunrise
Tue -- 10:30 AM EDT     9.28 feet High Tide
Tue -- 04:30 PM EDT     0.68 feet Low Tide
Tue -- 05:59 PM EDT     Moonrise
Tue -- 06:24 PM EDT     Sunset
Tue -- 10:43 PM EDT     9.84 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.45.12.81.10.20.524.16.38.19.19.1863.71.90.80.824.16.48.39.69.8

Tide / Current Tables for Falmouth Foreside, Maine
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Falmouth Foreside
Click for Map
Tue -- 04:03 AM EDT     Moonset
Tue -- 04:16 AM EDT     0.20 feet Low Tide
Tue -- 06:36 AM EDT     Sunrise
Tue -- 10:31 AM EDT     9.19 feet High Tide
Tue -- 04:30 PM EDT     0.70 feet Low Tide
Tue -- 05:59 PM EDT     Moonrise
Tue -- 06:24 PM EDT     Sunset
Tue -- 10:44 PM EDT     9.74 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.45.12.81.10.20.51.94.16.2899.17.95.93.71.90.80.8246.38.29.49.7

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Portland, ME
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