Thursday, September24, 2020
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Marine Weather and Tides
Kittery Point, 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 6:31AMSunset 6:37PM Thursday September 24, 2020 7:09 PM EDT (23:09 UTC) Moonrise 2:56PMMoonset 11:54PM Illumination 52% Phase: First Quarter Moon; Moon at 8 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- 634 Pm Edt Thu Sep 24 2020
Rest of tonight..SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt late this evening, then becoming w, becoming N late. Seas 2 to 3 ft.
Fri..E winds 5 to 10 kt. Seas around 2 ft.
Fri night..SE winds 5 to 10 kt, becoming sw after midnight. Seas around 2 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 20 kt. Seas 2 to 4 ft.
Sun..SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft.
Sun night..S winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.
Mon..S winds 10 to 15 kt. Seas 3 to 5 ft.
Mon night..S winds 10 to 15 kt. Seas 3 to 5 ft. A chance of showers.
Tue..S winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers.
Tue night..S winds 10 to 15 kt. Seas 5 to 8 ft, building to 7 to 9 ft after midnight. A chance of showers.
ANZ100 634 Pm 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 region tonight before returning north as a warm front on Friday. High pressure then builds over the western atlantic into the weekend. A cold front will approach early next week with increasing southerly flow and seas before the front crosses the area midweek.


7 Day Forecast for Marine Location Near Kittery Point, ME
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location: 43.06, -70.7     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 242251 AAA AFDGYX

Area Forecast Discussion . UPDATED National Weather Service Gray ME 651 PM EDT Thu Sep 24 2020

SYNOPSIS. A weak cold front will continue to cross through the area this evening before stalling across southern New Hampshire and returning north as a warm front on Friday. Temperatures and humidity will increase over the weekend with continued dry conditions. A pattern change is expected early next week with increasing chances of rain Monday through Wednesday.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/.

640 PM Update . A few sprinkles are making their way towards the coast. Any QPF that falls will be very light and around a trace. Otherwise, there is plenty of cloud cover around and this will continue overnight in the vicinity of a boundary draped across the area. Areas across the north may see some partly cloudy to clear skies overnight, and this will allow for portions of central Somerset County in particular to drop to 40F or below in the early morning hours. Elsewhere we will have low temperatures in the mid 40s in the mountains to the upper 40s and lower 50s south. We should see patchy fog development as it will be just a bit too warm for frost.

Previous discussion . Radar continues to show widely scattered shower activity across northern New Hampshire and western Maine and this activity should continue through the early evening before dissipating later tonight. Visible satellite imagery shows a band of clouds continuing to stream in from Quebec and therefore kept partly cloudy skies through the overnight hours. Expecting overnight low temperatures to only fall into the middle to upper 40s across the north to the lower to middle 50s in southern zones. The cold front currently moving through the area will likely stall between northern Massachusetts and southern New Hampshire with the most noticeable impact being falling dew points into the 40s from north to south overnight.

SHORT TERM /6 AM FRIDAY MORNING THROUGH FRIDAY NIGHT/. The cold front which moved through the area on Thursday will stall and begin to move back north as a warm front on Friday as a weak impulse of energy arrives. Expecting a few widely scattered showers to form during the afternoon and early evening, especially across the higher terrain where better forcing is expected due in part to weak upslope northwest winds. High temperatures will be several degrees cooler compared to Thursday with northern areas reaching the middle 60s while southwestern Maine and southern New Hampshire approach the lower to middle 70s. A few locations near the Massachusetts state line may hit the 80 degree mark where a bit more in the way of sunshine is likely. Overall, QPF should be on the light side with generally less than a tenth of an inch expected.

Expecting the chance for showers to diminish rather abruptly towards Friday evening with generally clear to partly cloudy skies. Expecting another mild night with low temperatures only falling into the 50s areawide with perhaps a few spots across the north reaching the upper 40s.

LONG TERM /SATURDAY THROUGH THURSDAY/. Warm and mostly dry this weekend with increasing humidity. Upper level flow will become meridional early next week as a trough carves out over the Great Lakes and a ridge builds over the West Coast. This pattern will persist for much of next week with New England positioned on the eastern edge of the upper trough. Disturbances moving through the upper trough will bring a period of unsettled weather Monday into midweek with a good chance that much of the area will receive a soaking rain.

A nice weekend shaping up as New England will under the NW edge of high pressure over the western Atlantic. Deep layer SW flow will allow for highs in the upper 70s to near 80 Saturday with slightly higher temps on Sunday. Dew points will also increase over the weekend climbing into the low to mid 60s by Monday. Late Sunday the upper trough will start to carve out over the Great Lakes with a surface low tracking northeastward through eastern Canada. This low will increase the pressure gradient between the high in the Atlantic resulting in southwest to southerly winds increasing Sunday into Monday.

Global Models are in general agreement that the trough over the Great Lakes will deepen all the way to the Gulf Coast late Monday with high PWAT air advecting into New England. While there are differences amongst the global models there is a general consensus that another surface low will develop over the Ohio Valley and track into eastern Canada driving a cold front through the area sometime between Tuesday and Wednesday. Earlier model runs had been highlighting late Monday as the best chance for rain with the frontal passage, but models have now delayed the front until late Tuesday and Wednesday, so will have to keep an eye on this trend. At the moment, expect chances for showers Monday into early Tuesday as moisture advects into the Northeast. The 12Z GFS and CMC are slightly faster than the ECMWF with the best shot of rain with the front coming through late Tuesday into Wednesday morning and have gone with highest PoPs during this time frame. Unsettled conditions may persist through the end of the week as the upper trough remains over the eastern CONUS.

AVIATION /00Z FRIDAY THROUGH TUESDAY/. Short Term . VFR conditions to prevail through Friday night with mountain valley terminals such as KLEB and KHIE briefly falling to MVFR/IFR due to lowering ceilings and potential fog development towards dawn Friday before lifting rapidly by 13Z. Confidence in the entire forecast is moderate to high with fog being the greatest uncertainty.

Long Term . Mainly VFR through the weekend. Increasing SW to southerly winds early next week ahead of a cold front. Restrictions possible in SHRA Tuesday into Wednesday with the frontal passage.

MARINE. Short Term . Winds and seas expected to remain below SCA conditions through Friday night with weak forcing overhead.

Long Term . Mainly quiet on the waters this weekend with high pressure over the western Atlantic. A cold front will approach early next week with increasing southerly winds late Monday into Wednesday gusting to 25 kts at times starting Monday night. Seas will build to 5 ft early Monday and will continue to build through Wednesday.

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



NEAR TERM . Hanes SHORT TERM . Tubbs LONG TERM . Schroeter


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CMLN3 1 mi185 min SSE 6 73°F
BGXN3 - Great Bay Reserve, NH 7 mi84 min SW 2.9 77°F 1012 hPa56°F
IOSN3 - Isle of Shoals, NH 8 mi69 min SSW 17 G 18 72°F 1012.2 hPa (+0.4)56°F
44073 9 mi125 min S 9.7 G 12 66°F 61°F
44030 - Buoy B0102 - Western Maine Shelf 17 mi125 min SSW 12 G 14 64°F 59°F2 ft
WELM1 - 8419317 - Wells, ME 19 mi51 min WSW 1.9 G 2.9 66°F 58°F1012.6 hPa
44098 - Jeffrey's Ledge, NH (160) 34 mi64 min 60°F2 ft
44029 - Buoy A0102 - Mass. Bay/Stellwagen 38 mi125 min SSW 9.7 G 12 64°F 1010.5 hPa
44007 - PORTLAND 12 NM Southeast of Portland,ME 44 mi79 min SSW 12 G 12 63°F 58°F2 ft1011.5 hPa (+0.5)
CASM1 - 8418150 - Portland, ME 48 mi51 min 67°F 57°F
44013 - BOSTON 16 NM East of Boston, MA 49 mi79 min SSE 7.8 G 7.8 65°F 62°F1 ft1012.1 hPa (-0.0)61°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pease Air Force Base / Portsmouth, NH7 mi13 minSW 610.00 miOvercast73°F51°F47%1012.7 hPa
Rochester - Skyhaven Airport, NH19 mi18 minN 010.00 miFair73°F48°F43%1012.5 hPa
Sanford, Sanford Regional Airport, ME23 mi13 minN 010.00 miA Few Clouds68°F52°F57%1013.4 hPa

Link to 5 minute data for KPSM

Wind History from PSM (wind in knots)
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Last 24hrW11SW4W7SW4W8W6W5W8W9W8W7W3SW5W6W8W8W8SW6W8SW7SW9SW7SW4SW6
1 day agoNW9NW12NW9NW11W11W8W8W7W10W9W6SW5W12W9W11W12W10
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Tide / Current Tables for Fort Point, Portsmouth Harbor, New Hampshire
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Fort Point
Click for Map
Thu -- 05:33 AM EDT     8.46 feet High Tide
Thu -- 06:32 AM EDT     Sunrise
Thu -- 11:34 AM EDT     0.85 feet Low Tide
Thu -- 02:56 PM EDT     Moonrise
Thu -- 05:51 PM EDT     9.35 feet High Tide
Thu -- 06:35 PM EDT     Sunset
Thu -- 11:53 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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01.33.35.57.38.38.47.55.83.8210.91.93.65.87.899.38.77.252.81.1

Tide / Current Tables for Portsmouth Harbor Entrance, New Hampshire Current
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Portsmouth Harbor Entrance
Click for Map
Thu -- 01:17 AM EDT     0.00 knots Slack
Thu -- 03:12 AM EDT     1.12 knots Max Flood
Thu -- 06:32 AM EDT     Sunrise
Thu -- 07:02 AM EDT     -0.00 knots Slack
Thu -- 09:43 AM EDT     -1.72 knots Max Ebb
Thu -- 01:34 PM EDT     0.00 knots Slack
Thu -- 02:56 PM EDT     Moonrise
Thu -- 03:34 PM EDT     1.18 knots Max Flood
Thu -- 06:35 PM EDT     Sunset
Thu -- 07:28 PM EDT     -0.00 knots Slack
Thu -- 10:19 PM EDT     -1.87 knots Max Ebb
Thu -- 11:53 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.1-0.30.71.110.80.60-0.9-1.6-1.7-1.5-1.2-0.50.41.11.10.90.70.3-0.5-1.4-1.8-1.8

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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