Saturday, October16, 2021
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Marine Weather and Tides
Kittery, 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 6:56AMSunset 6:00PM Saturday October 16, 2021 5:18 AM EDT (09:18 UTC) Moonrise 4:43PMMoonset 2:26AM Illumination 77% Phase: Waxing Gibbous; Moon at 10 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- 339 Am Edt Sat Oct 16 2021
.small craft advisory in effect from 8 am edt this morning through Sunday morning...
Today..S winds 10 to 15 kt, increasing to 15 to 20 kt late this morning and afternoon. Gusts up to 30 kt. Seas 2 to 4 ft, building to 4 to 6 ft this afternoon. A chance of showers early this morning, then a slight chance of showers late this morning.
Tonight..S winds 15 to 20 kt, becoming sw after midnight. Gusts up to 30 kt. Seas 4 to 7 ft. Showers. Vsby 1 to 3 nm.
Sun..W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers in the morning with vsby 1 to 3 nm.
Sun night..NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Mon..W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft.
Mon night..W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Tue..NW winds 15 to 20 kt. Seas 2 to 3 ft.
Tue night..NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft.
Wed..NW winds 10 to 15 kt. Seas around 2 ft.
Wed night..NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less.
ANZ100 339 Am Edt Sat Oct 16 2021
Synopsis for stonington me to merrimack river ma out to 25 nm.. A warm front will cross the waters this morning as low pressure passes west of the area. This will be followed by a strong cold front crossing the waters this evening and overnight tonight. Small craft conditions are expected ahead of the front in southerly flow and building seas, followed by a period of small craft conditions in offshore flow late Sunday and Sunday night. Gusty west to northwesterly winds may linger into the middle of the week before diminishing.


7 Day Forecast for Marine Location Near Kittery, ME
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location: 43.08, -70.75     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 160830 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 430 AM EDT Sat Oct 16 2021

SYNOPSIS. A strong cold front will will cross through the area this evening into Sunday morning bringing periods of rain, gusty winds, and a few rumbles of thunder. Cooler conditions will then arrive for the beginning of next week with daytime showers under northwest flow. High pressure and gradually moderating temperatures are then expected for the middle of the week before another disturbance arrives by next weekend.

NEAR TERM /UNTIL 6 PM THIS EVENING/. Low pressure will ride northeastward through western Quebec today. The warm front associated with the system is moving through northern New England this morning, bringing showers and even a few rumbles of thunder to areas outside of southern New Hampshire. The heaviest showers are expected to continue progressing through western and central New Hampshire, and then across most of interior Maine over the next several hours.

The showers will mostly end by late morning, with most of the area staying dry this afternoon as we find ourselves in the warm sector of the system. Highs will warm into the upper 60s to mid 70s across most areas, with the warmest readings across southern New Hampshire.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SUNDAY/. The cold front associated with the storm system will approach from the west, and likely around sunset the leading edge of the showers and thunderstorms associated with it will be arriving into western New Hampshire. Due mainly to the strong LLJ, there remains some risk for brief gusty winds with the leading edge of the heavier showers and storms, but the bulk of the strongest winds aloft will be ahead of the rainfall, so the risk continues to look marginal at this time.

The best alignment of the stronger winds aloft and the heavier showers actually looks to be around the MidCoast region, but this area will also be the most stable in the low levels with the southerly wind off the cooler waters. So the best chance for some stronger gusts appears to be across western and southwestern New Hampshire with the earlier arrival of the storms better coinciding with the small amount of instability provided by the daytime heating, and then again near the MidCoast where the strongest winds aloft will better align some of the heavy showers.

The system will be departing the CWA around daybreak tomorrow, with most areas picking up about 0.5 to 1.5 inches of rain when all is set and done. The highest amounts are expected across northern areas and the higher terrain, while southern New Hampshire will likely see the lightest amounts.

Sunday will feature breezy westerly winds, and increasing sunshine. The wind direction will allow the coastline to warm into the mid 60s, while highs will generally be cooler inland. Cloud cover will also increase in coverage again late in the day across the higher terrain as the upper level approaches northern New England.

LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/. Overview: A return to cooler and more seasonable weather is expected for next week with daytime high temperatures primarily into the 50s to near 60 degrees and overnight low temperatures into the 30s and lower 40s from north to south. While some showery weather is possible through the week, no major weather systems are currently anticipated.

Impacts: The first frost of the season is possible next week for portions of the foothills and coastal plain, especially away from the immediate coast.

Forecast Details: The surface cold front will be exiting eastern ME early on Sunday morning as New England sits under a negatively tilted trough axis. Northwest flow at the surface combined with cool temperatures aloft will result in some instability, and therefore expecting scattered showers on Sunday night through Tuesday especially across the mountains and north. Generally went above NBM model guidance for PoPs during this stretch based on pattern recognition. A trough of sub-freezing 850 mb temperatures will pass through the area Monday night through Tuesday, which may allow for the rain to mix with snow/ice pellets across the higher elevations and maybe even the lower valleys of the far north on Monday night and early Tuesday morning. Any accumulations should be light though and confined to the higher elevations due to marginally cold surface temperatures. Strong mixing is expected on both Monday and Tuesday as northwest flow dominates. Skies will range from mostly cloudy across the mountains to partly cloudy further to the south. High temperatures on both days will generally range from the 40s across the north to upper 50s south with overnight lows falling into the 30s to the lower 40s. If enough clearing south of the mountains is realized, then there will be the potential for locally colder temperatures each night, which could allow for the first frost of the season for areas closer to the coast.

Gradually warming temperatures are then expected for the middle and end of the week as a ridge approaches from the south and west. Skies will generally be clear to partly cloudy with high temperatures into the lower 60s for areas outside of the mountains. Weakening flow combined with mostly clear skies will allow for continued chilly overnight low temperatures into the 30s to lower 40s. Uncertainty remains during this portion of the forecast though due in part to an active Pacific storm track. This is evident in both ensemble spread of 500 mb heights and 850 temperatures as well as through WPC cluster analysis. For now have remained on the conservative side for overnight lows due to these uncertainties but there is the potential for colder overnight low temperatures well into the 30s. The next frontal system and short-wave trough will then approach by Friday or Saturday bringing renewed shower chances, although significant uncertainty remains this far out.

AVIATION /07Z SATURDAY THROUGH WEDNESDAY/. Short Term . Low ceilings and showers will gradually improve at most terminals to MVFR for a period of time this afternoon, before lowering again tonight to IFR conditions and widespread showers. Gusty southerly winds up to 25-30kts are possible at RKD for a few hours early tonight. Conditions then improve early tomorrow to VFR conditions at most terminals, but HIE may continue to see lowered ceilings much of the day. Gusty northwesterly winds to near 20kts are likely tomorrow across the area.

Long Term . Northwest flow will prevail through the beginning of next week and will be gusty at times, especially during the afternoon and early evening hours. VFR conditions will prevail across most terminals but scattered SHRA will result in MVFR/brief IFR conditions at times, especially across northern terminals such as KHIE.

MARINE. Short Term . Southerly winds ahead of a cold front will bring SCA conditions starting this morning and lasting through Sunday morning. SCA conditions are likely again later on Sunday with freshening westerly winds.

Long Term . Northwest winds may gust up to 25 kts on Monday night through Tuesday night. Winds and seas will then diminish by Thursday as high pressure gradually builds over the waters.

GYX WATCHES/WARNINGS/ADVISORIES. ME . None. NH . None. MARINE . Small Craft Advisory from 8 AM this morning to 8 AM EDT Sunday for ANZ150>154.

SYNOPSIS . Clair/Tubbs NEAR TERM . Clair SHORT TERM . Clair LONG TERM . Tubbs AVIATION . Clair/Tubbs MARINE . Clair/Tubbs


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CMLN3 3 mi194 min WNW 9.9 86°F 68°F
BGXN3 - Great Bay Reserve, NH 4 mi93 min ESE 1 64°F 1010 hPa64°F
IOSN3 - Isle of Shoals, NH 10 mi78 min S 16G18 64°F 1009.3 hPa (-1.6)64°F
44073 12 mi194 min S 12G16 64°F
44030 - Buoy B0102 - Western Maine Shelf 18 mi74 min S 14G16 62°F 62°F3 ft1010.2 hPa
WELM1 - 8419317 - Wells, ME 19 mi48 min S 7G8.9 62°F 64°F1009.9 hPa
WEXM1 - Wells Reserve, ME 21 mi78 min S 1.9 62°F 62°F
44098 - Jeffrey's Ledge, NH (160) 36 mi52 min 60°F3 ft
44029 - Buoy A0102 - Mass. Bay/Stellwagen 40 mi74 min S 12G14 63°F 2 ft1009.8 hPa
44007 - PORTLAND 12 NM Southeast of Portland,ME 45 mi38 min S 12G16 61°F 60°F1009.4 hPa59°F
CASM1 - 8418150 - Portland, ME 48 mi48 min 62°F 61°F

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
Pease Air Force Base / Portsmouth, NH4 mi82 minSE 64.00 miLight Rain Fog/Mist63°F62°F97%1010 hPa
Rochester - Skyhaven Airport, NH16 mi27 minS 44.00 miFog/Mist63°F62°F97%1009 hPa
Sanford, Sanford Regional Airport, ME22 mi22 minS 36.00 miFog/Mist63°F62°F97%1009.9 hPa

Link to 5 minute data for KPSM

Wind History from PSM (wind in knots)
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Last 24hrE3E5SE4SE4E4S3SE4E5SE6E8SE8SE8E5E5SE5E4000SE4S5S4SE6SE4
1 day ago000W3NW5NW7N9N5SE30SW3E5SE50E30E30000000
2 days agoSW3SW30W30SW4SW6SW8S6S7SE8SE9SE6S5S4SW3SW3SW4SW5SW40000

Tide / Current Tables for Portsmouth, Portsmouth Harbor, New Hampshire
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Portsmouth
Click for Map
Sat -- 02:26 AM EDT     Moonset
Sat -- 02:44 AM EDT     0.14 feet Low Tide
Sat -- 06:58 AM EDT     Sunrise
Sat -- 09:09 AM EDT     7.83 feet High Tide
Sat -- 03:05 PM EDT     0.71 feet Low Tide
Sat -- 04:43 PM EDT     Moonrise
Sat -- 05:58 PM EDT     Sunset
Sat -- 09:25 PM EDT     8.37 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Portsmouth Harbor Entrance, New Hampshire Current
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Portsmouth Harbor Entrance
Click for Map
Sat -- 12:42 AM EDT     -1.82 knots Max Ebb
Sat -- 02:26 AM EDT     Moonset
Sat -- 04:23 AM EDT     0.00 knots Slack
Sat -- 06:58 AM EDT     Sunrise
Sat -- 08:15 AM EDT     1.01 knots Max Flood
Sat -- 10:16 AM EDT     -0.00 knots Slack
Sat -- 01:36 PM EDT     -1.61 knots Max Ebb
Sat -- 04:43 PM EDT     Moonrise
Sat -- 04:46 PM EDT     0.00 knots Slack
Sat -- 05:57 PM EDT     Sunset
Sat -- 06:56 PM EDT     0.90 knots Max Flood
Sat -- 07:26 PM EDT     0.90 knots Min Flood
Sat -- 08:31 PM EDT     0.93 knots Max Flood
Sat -- 10:30 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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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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