Thursday, April2, 2020
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Marine Weather and Tides
Old Orchard Beach, 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 6:18AMSunset 7:11PM Thursday April 2, 2020 2:46 AM EDT (06:46 UTC) Moonrise 12:29PMMoonset 3:16AM Illumination 68% Phase: Waxing Gibbous; Moon at 9 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- 142 Am Edt Thu Apr 2 2020
.gale warning in effect from this afternoon through late Friday night...
Rest of tonight..N winds 20 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft. Rain.
Fri..NE winds 20 to 30 kt with gusts up to 40 kt. Seas 13 to 18 ft. Rain likely in the morning, then a chance of showers in the afternoon.
Fri night..NE winds 15 to 25 kt with gusts up to 35 kt. Seas 13 to 18 ft, subsiding to 11 to 16 ft after midnight. A chance of showers in the evening.
Sat..NE winds 10 to 20 kt, diminishing to 5 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 10 to 15 ft, subsiding to 8 to 13 ft in the afternoon.
Sat night..E winds 5 to 10 kt, becoming sw after midnight. Seas 7 to 10 ft.
Sun..S winds 5 to 10 kt. Seas 5 to 8 ft.
Sun night..S winds 10 to 15 kt, becoming sw after midnight. Seas 4 to 7 ft. A chance of showers.
Mon..W winds 5 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft.
Mon night..NW winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft.
Tue..NE winds 5 to 10 kt. Seas 2 to 4 ft.
Tue night..NE winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
ANZ100 142 Am Edt Thu Apr 2 2020
Synopsis for stonington me to merrimack river ma out to 25 nm.. Low pressure off the carolina coast will move into the north atlantic tonight and intensify. It will stall or loop off the new england coast through Friday before finally departing out to sea this weekend. A period of strong gale force winds is expected along with building seas. High pressure and quieter conditions return this weekend. &&


7 Day Forecast for Marine Location Near Old Orchard Beach, ME
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location: 43.5, -70.38     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 020545 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 145 AM EDT Thu Apr 2 2020

SYNOPSIS. An upper level low continues spins over the area this week, enhancing a strong offshore low spinning through the North Atlantic. Skies will be mostly cloudy through Friday with showers tonight transitioning to a steady rain by tomorrow morning. Rain tapers to showers Friday with high pressure nudging in from the northwest this weekend.

NEAR TERM /UNTIL 6 AM THIS MORNING/. 140 AM . One last update for current conditions before the new forecast package. Tweaked temperatures, winds, and PoPs according to latest trends through the overnight period. Also added some mixed precipitation to the grids over the higher terrain, but impacts will be minimal with any ice being over highest peaks.

11pm.. have adjusted PoP upwards through the midcoast and radar and surface obs indicate rain has arrived into Rockland.

630pm . Just a minor update for current temps and cloud cover. Clouds continue to spill westwards as low pressure moves up the coast. Pressure falls remain NE of the 70W 40N benchmark, and expect few showers offshore to rotate into the midcoast over the next few hours. Prev . Low pressure off North carolina coast will deepen and move ENE this evening and then stall south of Nova Scotia by tomorrow morning. Aloft an upper level low continues to spin overhead with a spoke of energy moving in from the northeast. Clouds will continue to thicken and lower this evening with steady rain developing from east to west tonight. Temperatures will be cool enough in the mountains for precipitation to start as snow where the higher terrain will see a few inches of accumulation.

SHORT TERM /6 AM THIS MORNING THROUGH 6 PM FRIDAY/. Low pressure south of Nova Scotia continues to deepen and retrogrades westward throwing more moisture into the area for cool, rainy, and breezy day. The ocean system will continue to spin offshore into Thursday night with steady rain tapering to showers late Thursday night. Highest QPF amounts will be along the coast and south east facing slopes of the mountains where 1 to 1.25 inches can be expected. The long duration of the ocean system stalling to our east will allow for seas to build with more information in the Tides and Coastal Flooding section.

LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/. Ocean storm will slip S of Cape Cod Fri morning and continue to pivot out to sea. I expect the worst of the conditions Fri to be in the morning . with continued rain or rain showers and the strongest wind gusts occurring. For now the low will have already reached max intensity and be well occluded by Fri morning . so I do not anticipate significant winds. Still some gusts to 35 mph possible along the coast . possibly as high as 45 mph near Penobscot Bay. Slow but steady improvement is expected during the day.

High pressure moves in for the weekend . with warming temps and fair wx expected. Stayed close to the multi-model consensus blend with more active wx in the shorter term.

AVIATION /06Z THURSDAY THROUGH MONDAY/. Short Term . Clouds will continue to thicken and lower tonight with conditions deteriorating to MVFR this evening and IFR tomorrow morning in RA.

Long Term . Conditions will gradually improve from NE to SW as drier air begins to feed into the area. Once RA moves out Fri morning conditions should generally improve to MVFR CIGs. Fri morning especially some surface gusts near 30 knots possible along the coast. High pressure builds in for the weekend with widespread VFR conditions.

MARINE. Short Term . Ocean system will move to a position south of Nova Scotia tonight and retrograde/stall through Thursday night. This will lead to northerly winds with gusts approaching 25 kts tonight steady increasing to gale force during the day Thursday. Sea will build in excess of 5 ft late tonight increasing to 15 ft by tomorrow night.

Long Term . Large and building seas will continue into Fri as ocean storm churns just outside the Gulf of ME. Gale force winds look likely . so I have upgraded the gale watch to a warning outside of the bays. Farther N Penobscot Bay may be close enough to the maximum intensity of the storm to see some gale force gusts so I will leave the watch in place. Winds will diminish much faster than the seas . which will remain hazardous into Mon despite high pressure building in for the weekend.

TIDES/COASTAL FLOODING. Astronomical tides will be increasing through the rest of the week as they reach their monthly peak early next week. An intense and retrograding storm over the northwest Atlantic will allow for a large building swell by late Thursday into the weekend as the storm loops and exits out to sea. This will likely build a significant storm surge in excess of 2 ft starting Thu night thru at least Fri morning. Splash-over is expected with minor flooding possible south of Portland, especially Fri morning. In general the greatest threat for flooding is along the New Hampshire Seacoast and extreme southern coastal Maine where fetch is maximized under NE flow and E to NEly swells. This area is highlight by a coastal flood watch for Fri morning.

EQUIPMENT. The last GYX upper air observation was March 25 at 12Z. Unfortunately, a disruption in gas supply has temporarily halted observations from GYX. It's unknown when supplies will be restored and upper air observations resumed.

GYX WATCHES/WARNINGS/ADVISORIES. ME . Coastal Flood Watch from late tonight through Friday morning for MEZ023-024. NH . Coastal Flood Watch from late tonight through Friday morning for NHZ014. MARINE . Gale Warning from 2 PM this afternoon to 2 AM EDT Saturday for ANZ150-152-154. Gale Watch from this afternoon through Friday evening for ANZ151.



NEAR TERM . Casey/Curtis/Schroeter SHORT TERM . Schroeter LONG TERM . Legro


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44007 - PORTLAND 12 NM Southeast of Portland,ME 13 mi57 min N 21 G 27 39°F 40°F5 ft1003.1 hPa (-2.6)36°F
CASM1 - 8418150 - Portland, ME 13 mi53 min 39°F 42°F
WEXM1 - Wells Reserve, ME 14 mi47 min NNW 8.9 39°F 35°F
WELM1 - 8419317 - Wells, ME 16 mi53 min N 16 G 19 39°F 42°F1004.1 hPa
44030 - Buoy B0102 - Western Maine Shelf 22 mi103 min N 19 G 23 6 ft1005.3 hPa
44073 34 mi103 min N 19 G 23 41°F 41°F
CMLN3 34 mi163 min NW 25 38°F 43°F
IOSN3 - Isle of Shoals, NH 39 mi47 min N 21 G 25 39°F 1003.3 hPa (-2.2)37°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Portland, Portland International Jetport, ME12 mi56 minN 1110.00 miLight Rain39°F34°F82%1004.4 hPa
Sanford, Sanford Regional Airport, ME18 mi51 minN 1010.00 miLight Rain38°F35°F89%1005 hPa

Link to 5 minute data for KPWM

Wind History from PWM (wind in knots)
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Last 24hrCalmN7N5N6N8N9N10N10NE11
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1 day agoN12N9N11N10N10N12
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N12--N8NE8SE6S3SW3W4W5W4CalmNW3
2 days agoNE7N7N6N7E12E13
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Tide / Current Tables for Old Orchard Beach, Maine
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Old Orchard Beach
Click for Map
Thu -- 03:15 AM EDT     Moonset
Thu -- 06:02 AM EDT     8.73 feet High Tide
Thu -- 06:20 AM EDT     Sunrise
Thu -- 12:28 PM EDT     0.79 feet Low Tide
Thu -- 12:29 PM EDT     Moonrise
Thu -- 06:54 PM EDT     7.80 feet High Tide
Thu -- 07:10 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.72.33.65.378.38.78.37.25.53.51.80.90.91.73.14.86.47.57.87.36.24.62.9

Tide / Current Tables for Richmond Island, Maine
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Richmond Island
Click for Map
Thu -- 03:15 AM EDT     Moonset
Thu -- 06:00 AM EDT     8.82 feet High Tide
Thu -- 06:19 AM EDT     Sunrise
Thu -- 12:29 PM EDT     Moonrise
Thu -- 12:31 PM EDT     0.80 feet Low Tide
Thu -- 06:51 PM EDT     7.88 feet High Tide
Thu -- 07:09 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.72.33.65.37.18.48.88.47.35.53.61.90.90.91.73.14.96.57.67.97.46.24.62.9

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 (2,6,7,8)
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Ground Weather Radar Station Portland, ME
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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.