Thursday, January20, 2022
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Marine Weather and Tides
Biddeford, ME

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:06AMSunset 4:38PM Thursday January 20, 2022 6:49 PM EST (23:49 UTC) Moonrise 8:21PMMoonset 9:59AM Illumination 88% Phase: Waning Gibbous; Moon at 18 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- 555 Pm Est Thu Jan 20 2022
.small craft advisory in effect through Friday afternoon...
.freezing spray advisory in effect from 1 am est Friday through Friday afternoon...
Tonight..N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Light freezing spray late this evening and overnight.
Fri..N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Light freezing spray.
Fri night..N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Light freezing spray.
Sat..N winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft.
Sat night..N winds around 5 kt, becoming sw with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Light freezing spray after midnight.
Sun..W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Light freezing spray in the morning.
Sun night..NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Light freezing spray after midnight.
Mon..NW winds 10 to 15 kt. Seas 2 to 4 ft. Light freezing spray in the morning.
Mon night..W winds around 10 kt. Seas 2 to 4 ft.
Tue..S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of rain and snow showers in the afternoon.
Tue night..SW winds 10 to 15 kt, becoming nw after midnight. Seas 2 to 3 ft. A chance of snow showers. Vsby 1 to 3 nm.
ANZ100 555 Pm Est Thu Jan 20 2022
Synopsis for stonington me to merrimack river ma out to 25 nm.. Northwest winds will continue across the waters as high pressure builds into the region through Friday. Winds and waves will diminish on Friday night as high pressure crests overhead. Low pressure will pass well south and east of the waters late Friday night and Saturday. Southwesterly winds will strengthen over the waters on Sunday ahead of a frontal system.


7 Day Forecast for Marine Location Near Biddeford, ME
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location: 43.29, -70.17     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 202308 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 608 PM EST Thu Jan 20 2022

SYNOPSIS. High pressure will build into the region through Friday with an Arctic airmass moving overhead. This will result in bitterly cold temperatures and wind chills through Friday night. A slow moderating trend begins this weekend before a cold front brings a few snow showers late Sunday. The next chance for more widespread precipitation will hold off until at least Tuesday of next week.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/. 610 PM Update . No changes to the going forecast at this time other than to speed up cooling a tad. Otherwise, a clear night will be had.

Previously .

High Impact Weather Potential: * Bitterly cold wind chills tonight.

Pattern: A sprawling area of high pressure is centered over the Midwest early this afternoon with it/s eastern flank building into northern New England behind a departing Arctic cold front. A cold and dry airmass is arriving as of this writing with surface dewpoints falling below zero and PWATs falling below 0.05" which is about 1 standard deviation below climatological norms. Given that the high is not yet overhead . northwesterly winds are ongoing and will continue through tonight Therefore. the primary focus of the near term forecast will be on overnight lows and wind chills as the Arctic air builds overhead.

Through this Evening: Skies will continue to clear with temperatures tumbling rapidly. 7pm values will near 0F over the mountains to around 20 over southern NH and along the coast.

Tonight: Robust northerly gradient will continue to drive cooler/drier air into the region overnight. Consensus guidance pushes lows below -10F in the mountains . and -5 to +5 to the south. The aforementioned gradient will keep most locations coupled . with 5-10kt winds for the overnight. Expect this to bring wind chills about 10F cooler than temperatures . which aligns very well with inherited wind chill advisory and will make no changes to this today.

SHORT TERM /6 AM FRIDAY MORNING THROUGH FRIDAY NIGHT/. High Impact Weather Potential: * Bitterly cold temperatures continue despite slackening winds.

Pattern: A positively-tilted longwave trough will gradually edge towards the region for the Friday-Friday night timeframe with a chunk of the aforementioned high pressure system arriving as a 1040 mb surface high Friday night. While the longwave trough will spawn surface low pressure off the southeast coast Friday . that system will remain blocked from advancing too far north by the overhead high. Therefore a quiet and cold period is expected with our focus again mostly on temperatures . particularly on radiational cooling potential Friday night as the surface high crests overhead.

Friday: With arriving high pressure PWATs continue to fall during the day and so outside of a few mountain clouds in the upslope regime . a sunny day is expected. T9s in the Arctic airmass will range from -20C near the international border to around -15C along the coast. Model sounding profiles suggest mixing will be limited to this layer which will leave areas in the mountains in the single digits above zero with temperatures to the south generally in the teens.

Friday Night: Gradient slackens overnight with 1000mb geostrophic winds falling to near calm along the international border . while remaining near 15kts along the coast Thus. outside of perhaps some light/variable winds along the coastline . the stage is set for an ideal radiational cooling night with high pressure overhead. Statistical guidance points at the potential for our coldest northern valleys to near -30F. Inherited forecast was in good shape and simply nudged it down couple degrees given the setup. Nearly all locations will be below zero. There should be nearly zero wind . and thus do not foresee another round of wind chill headlines . but clearly taking appropriate precautions for bitterly cold temperatures will still be advised.

LONG TERM /SATURDAY THROUGH THURSDAY/. Upstream and downstream blocking favor large trough at 500 mb extending equatorward from around Hudson Bay to the southern US though the long range forecast. Some smaller waves will help it fluctuate at times, and could bring some periods of precip. although these are likely to be less significant give the favored storm track is far to our S and E, and there seem to weak waves that would have have a hard time phasing with larger scale trough. Still, overall, it looks on the mostly dry side, with temps running mostly below normal, and just reaching around normal on the warmest days through the end of next week.

Sat will start very cold, but will warm into the teens N to the low 20s S, as lack of mixing will prevent some warmer air aloft from mixing down, although there should be a fair amount of sun. Sat night will see some increasing clouds which prevents full on rad cooling and low will range from -5 to zero in the mtns, to 5-10 above in the S. A weak wave passes N of the CWA on Sunday, and this could bring some afternoon SHSN to the mtns, with partly sunny skies in the skies. SW flow should help push temps into the 20s across much of the CWA, with some areas maxing out in the low 30s in the S.

Mon turns colder again with highs back to the mid teens to mid 20s. The next chance of precip will be Tue-Tue night, which would mostly be light as sfc low passes across N ME with cold front trailing behind it. Tue and Wed will be warmer with temps approaching normal again, but temps drop back off again late next week.

AVIATION /23Z THURSDAY THROUGH TUESDAY/. Short Term .

Summary: High pressure will build into the region through the period with clearing skies and slackening winds.

Restrictions: VFR through the period. A brief period of MVFR is not out of the question at HIE through tonight, but expect VFR to prevail here as well.

Winds: Northwest winds 10g15kts will diminish to 5-10kts tonight and on Friday before going calm/light-variable Friday night.

LLWS: No LLWS is expected through Friday night.

Long Term . Mainly VFR Sat through Mon, with a chc for MVFR in SHSN at KHIE Sunday afternoon. Some flight restrictions possible in low cigs and light SN on Tuesday.

MARINE. Short Term .

Northwesterly winds will continue to gust to around 25kts across mainly the outer waters through Friday before diminishing Friday night with waves diminishing as well. The peak of the freezing spray threat will be tonight . with this also abating some on Friday/Friday night due to slackening winds.

Long Term . Winds generally stay below SCA levels Sat-Tue, although there is chance the could reach SCA criteria on sunday.

GYX WATCHES/WARNINGS/ADVISORIES. ME . Wind Chill Advisory until 10 AM EST Friday for MEZ007>009- 012>014. NH . Wind Chill Advisory until 10 AM EST Friday for NHZ001>005-007. MARINE . Freezing Spray Advisory from 1 AM to 1 PM EST Friday for ANZ150>154. Small Craft Advisory until 5 PM EST Friday for ANZ150>152-154.



NEAR TERM . Arnott/Ekster SHORT TERM . Arnott LONG TERM . Cempa


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44007 - PORTLAND 12 NM Southeast of Portland,ME 16 mi29 min N 21G27 26°F 46°F1023.3 hPa14°F
44030 - Buoy B0102 - Western Maine Shelf 16 mi105 min WNW 19G25 29°F 42°F2 ft1021.2 hPa
WEXM1 - Wells Reserve, ME 20 mi49 min WNW 6 24°F 3°F
WELM1 - 8419317 - Wells, ME 21 mi55 min NNW 8.9G14 25°F 38°F1023.6 hPa
CASM1 - 8418150 - Portland, ME 26 mi55 min 24°F 37°F
44073 27 mi165 min 19G23 31°F
CMLN3 32 mi165 min WNW 19 43°F
IOSN3 - Isle of Shoals, NH 33 mi49 min NW 23G25 26°F 1022.5 hPa (+3.2)0°F
44098 - Jeffrey's Ledge, NH (160) 34 mi53 min 47°F4 ft
SEIM1 34 mi55 min 26°F 38°F1024 hPa4°F
BGXN3 - Great Bay Reserve, NH 38 mi64 min NNW 6 25°F 1024 hPa4°F

Wind History for Wells, ME
(wind in knots)    EDIT      (on/off)   Help
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Last 24 hrSW3
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G9
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G12
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W1
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SW18
G23
SW16
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G14
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G13
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G22
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G23
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G23
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G31
NW17
G25
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G20
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G17
NW18
G28
NW13
G21
W16
G27
NW12
G21
NW15
G26
NW14
G25
NW14
G25
NW18
G28
NW15
G24

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Portland, Portland International Jetport, ME27 mi3 hrsN 1310.00 miPartly Cloudy28°F7°F41%1021 hPa

Link to 5 minute data for KPWM

Wind History from PWM (wind in knots)
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Last 24 hrN300N30S9SW7SW5SW6SW4SW5SW6SW7N9N9NW9NW14NW13NW11NW11N12N13NW13N12
1 day agoNW12NW9NW8NW6W500W6W6W8W8W70S4SE40NW3W3S13
G23
SW66SW8NW6NW3
2 days agoS10S11S10
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Tide / Current Tables for Cape Porpoise, Maine
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Cape Porpoise
Click for Map
Thu -- 12:37 AM EST     8.08 feet High Tide
Thu -- 06:27 AM EST     0.81 feet Low Tide
Thu -- 07:08 AM EST     Sunrise
Thu -- 09:00 AM EST     Moonset
Thu -- 12:37 PM EST     9.21 feet High Tide
Thu -- 04:37 PM EST     Sunset
Thu -- 07:01 PM EST     -0.08 feet Low Tide
Thu -- 07:22 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Cape Porpoise, Maine, Tide feet
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7.9
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5.6
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0.9
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3.7
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8.3
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6.6
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4.3
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2.1
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0.5
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-0.1
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0.4
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1.8
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3.8
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5.9


Tide / Current Tables for Wood Island Harbor, Maine
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Wood Island Harbor
Click for Map
Thu -- 12:27 AM EST     8.16 feet High Tide
Thu -- 06:09 AM EST     0.82 feet Low Tide
Thu -- 07:08 AM EST     Sunrise
Thu -- 09:00 AM EST     Moonset
Thu -- 12:27 PM EST     9.31 feet High Tide
Thu -- 04:37 PM EST     Sunset
Thu -- 06:43 PM EST     -0.08 feet Low Tide
Thu -- 07:21 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Wood Island Harbor, Maine, Tide feet
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6.4


Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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