Monday, July6, 2020
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Marine Weather and Tides
Freeport, 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 5:03AMSunset 8:26PM Monday July 6, 2020 7:21 PM EDT (23:21 UTC) Moonrise 9:55PMMoonset 6:16AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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- 315 Pm Edt Mon Jul 6 2020
Tonight..S winds around 5 kt. Seas 1 to 2 ft. Patchy fog after midnight with vsby 1 to 3 nm.
Tue..S winds up to 10 kt. Seas 1 to 2 ft. Patchy fog in the morning with vsby 1 to 3 nm.
Tue night..S winds 5 to 10 kt. Seas 2 to 4 ft.
Wed..S winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers. A chance of tstms in the afternoon.
Wed night..SW winds 5 to 10 kt, diminishing to around 5 kt after midnight. Seas 2 to 3 ft. A chance of showers and tstms in the evening.
Thu..S winds around 5 kt. Seas 2 to 3 ft.
Thu night..S winds around 5 kt. Seas 2 to 3 ft.
Fri..S winds 5 to 10 kt. Seas 2 to 3 ft.
Fri night..S winds 5 to 10 kt. Seas 2 to 4 ft. A chance of showers.
Sat..S winds 5 to 10 kt. Seas 3 to 5 ft. A chance of showers.
Sat night..S winds 5 to 10 kt. Seas 2 to 4 ft. Showers likely. Winds and seas higher in and near tstms.
ANZ100 315 Pm Edt Mon Jul 6 2020
Synopsis for stonington me to merrimack river ma out to 25 nm.. High pressure settles over the canadian maritimes for the remainder of the week with onshore flow and occasional overnight fog. A coastal system may approach the region this weekend, and brings the chance for more showers and Thunderstorms. &&


7 Day Forecast for Marine Location Near Freeport, ME
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location: 43.82, -70.1     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 061936 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 336 PM EDT Mon Jul 6 2020

SYNOPSIS. Highs pressure over the waters tonight shifts east on Tuesday and settles SE of the maritimes foe Wednesday. Scattered thunderstorms are expected on Wednesday as a front drops out of Quebec. High pressure builds in for the end of the week with the



NEAR TERM /UNTIL 6 PM THIS EVENING/. For the most part it should be a quiet night with mainly clear skies and light winds winds. This will allow temps to fall quickly, and should be the coolest night we've seen in awhile, and will likely see for the next week ahead. Lows range from around 50 in the mtns to uppers to around 60 in srn NH and on the coast. Models aren not in good agreement on whether stratus forms or not tonight, but given how quickly fog/stratus over the Gulf of ME is moving S, will play it down, but if it does happen will likely be late. Do thing that some patch fog is possible is some sots, given the good cooling tonight.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM TUESDAY/. Tue looks to be dry, but will likely see strong enuf S pres grad flow that the marine air will fairly well inland, especially into the ME. Also, expecting a fair amount of cirrus thru the day. Highs range from the upper 60s to low 70s in the coast to around 80 inland areas of NH.

LONG TERM /TUESDAY NIGHT THROUGH MONDAY/. The week ahead features very hot temperatures with a chance for shower and thunderstorms, a typical July pattern.

Taking a hemispheric view the polar jet has retreated northwards into the Canadian arctic leaving most of the CONUS under strong ridging with just the occasional short wave to disturb it. The most notable portion of the polar view is in fact a large ridge of high pressure over the western Arctic. While notable in its own right for near record setting temperatures in Siberia that's also the feature that will need to break down to allow more typical circumpolar flow and allow our own CONUS ridge to move on at the end of the week.

Starting Wednesday we'll begin to see the surface high build into our area. To make room for it, first we'll need a shortwave dropping south out of Quebec to make way for it. This will likely touch off showers and thunderstorms. Expect the most storm coverage in the mountains where the greatest instability lies. Storm coverage will be widespread across the entire region, however the greatest upper support is to the east, leaving the greatest threat for Severe weather extending through central Maine. In addition to severe weather, forecast soundings suggest storm motion could be fairly slow leading to heavy rain.

As we move into Thursday and Friday high pressure and a very humid airmass takes hold. Guidance continues to put dewpoints into the low 70s across the southern portion of the region, and with even a midpoint of high temperatures in the 90s this will put the heat index near 100 in the Merrimack valley. While Thursday has been trending as the warmest day, feel it is likely that Friday will be just as warm if not hotter as the prolonged flow and inability to cool down or mix overnight will help to keep the humid air around. Thus have gone on the upper edge of guidance for Friday temperatures.

For the weekend, widespread rainfall is expected. A low develops off Cape Hatteras on Thursday and moves up the eastern seaboard. While the exact track may vary the overall consensus is for widespread rainfall and have introduced likely pops for Saturday. While this time period is too far out for exact QPF amounts, the strong southerly flow suggests a potential atmospheric river event with a maxima in rainfall in the foothills of the White mountains.

AVIATION /19Z MONDAY THROUGH SATURDAY/. Short Term . Some radiation fog at almost all terminals tonight, but will likely come in later than previous night. VFR expected Tuesday into Tuesday eve, with some flight restrictions possible later Tue night as rain and low cigs move in.

Long Term . Scattered afternoon thunderstorms may briefly impact all terminals on wednesday. High pressure builds in for the end of the week.

MARINE. Short Term . Seas/winds blo SCA criteria.

Long Term . High pressure will build in for the middle of the week. By the end of the week a low will begin to move up the coast, crossing the waters on Friday night with SCA conditions likely.

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

SYNOPSIS . NEAR TERM . Cempa SHORT TERM . Cempa LONG TERM . Curtis AVIATION . Cempa/Curtis MARINE . Cempa/Curtis


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CASM1 - 8418150 - Portland, ME 14 mi52 min 66°F 65°F
44007 - PORTLAND 12 NM Southeast of Portland,ME 20 mi92 min S 5.8 G 5.8 62°F 61°F2 ft1019.1 hPa (+0.0)
44032 - Buoy E0104 - Central Maine Shelf 40 mi78 min SE 3.9 G 3.9 60°F 56°F2 ft1018.5 hPa
WEXM1 - Wells Reserve, ME 41 mi82 min SE 2.9 67°F 61°F
WELM1 - 8419317 - Wells, ME 42 mi52 min 65°F 71°F1020.6 hPa
44030 - Buoy B0102 - Western Maine Shelf 48 mi78 min SSE 9.7 G 9.7 3 ft1026.2 hPa

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
Portland, Portland International Jetport, ME16 mi31 minS 610.00 miA Few Clouds67°F57°F71%1020.2 hPa
Auburn-Lewiston, ME19 mi26 minS 610.00 miA Few Clouds68°F60°F76%1020.6 hPa
Wiscasset Airport, ME23 mi29 minVar 510.00 miMostly Cloudy66°F55°F70%1020.6 hPa

Link to 5 minute data for KPWM

Wind History from PWM (wind in knots)
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Last 24hrS65S3CalmCalmE3E6NE4CalmN3N3N3NE5NE6E5E5E6E8SE9SE7S9S8S8S6
1 day agoS6S6S3S6Calm3S3S4S3S4S3SE3SE3SE5E6E5SE6SE6SE6SE10SE10SE10SE9S5
2 days agoE4NE6NE6E5E4N4N4N3N3CalmCalmNE3E4E7E6E7E8E9E9E9SE9S6S66

Tide / Current Tables for South Freeport, Casco Bay, 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 Upper Hell Gate (Sasanoa River, Maine) Current
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Upper Hell Gate (Sasanoa River
Click for Map
Mon -- 01:02 AM EDT     1.08 knots Max Flood
Mon -- 04:45 AM EDT     -0.00 knots Slack
Mon -- 05:03 AM EDT     Sunrise
Mon -- 06:15 AM EDT     Moonset
Mon -- 07:03 AM EDT     -1.05 knots Max Ebb
Mon -- 10:54 AM EDT     0.00 knots Slack
Mon -- 02:32 PM EDT     0.97 knots Max Flood
Mon -- 05:22 PM EDT     -0.00 knots Slack
Mon -- 07:20 PM EDT     -0.79 knots Max Ebb
Mon -- 08:23 PM EDT     Sunset
Mon -- 09:53 PM EDT     Moonrise
Mon -- 10:50 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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11.110.90.5-0.2-0.8-1-1-0.8-0.50.10.60.9110.80.3-0.4-0.8-0.7-0.6-0.30.1

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 (19,4,5,8)
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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.