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Marine Weather and Tides
Version 3.4 |
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 6:14AM | Sunset 5:29PM | Monday March 1, 2021 5:21 PM EST (22:21 UTC) | Moonrise 9:26PM | Moonset 8:46AM | Illumination 89% |  |
ANZ152 Coastal Waters From Port Clyde, Me To Cape Elizabeth, Me Out 25 Nm- 313 Pm Est Mon Mar 1 2021
.storm warning in effect from midnight est tonight through Tuesday afternoon...
.heavy freezing spray warning in effect from 2 am est Tuesday through Tuesday afternoon...
Tonight..NW winds 20 to 30 kt, increasing to 30 to 40 kt after midnight. Seas 6 to 9 ft, building to 8 to 11 ft after midnight. Moderate freezing spray after midnight.
Tue..NW winds 30 to 40 kt with gusts up to 50 kt. Seas 9 to 12 ft. Moderate freezing spray.
Tue night..W winds 20 to 30 kt with gusts up to 40 kt, diminishing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 6 to 9 ft, subsiding to 4 to 7 ft after midnight. Light freezing spray.
Wed..W winds 10 to 20 kt. Gusts up to 30 kt in the morning. Seas 3 to 5 ft, subsiding to 2 to 3 ft in the afternoon.
Wed night..NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft.
Thu..NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft.
Thu night..NW winds 15 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft.
Fri..NW winds 15 to 20 kt. Seas 2 to 3 ft.
Fri night..NW winds 15 to 20 kt. Seas 2 to 4 ft.
Sat..W winds 15 to 20 kt. Seas 2 to 4 ft.
Sat night..NW winds 10 to 20 kt. Seas 2 to 4 ft.
.storm warning in effect from midnight est tonight through Tuesday afternoon...
.heavy freezing spray warning in effect from 2 am est Tuesday through Tuesday afternoon...
Tonight..NW winds 20 to 30 kt, increasing to 30 to 40 kt after midnight. Seas 6 to 9 ft, building to 8 to 11 ft after midnight. Moderate freezing spray after midnight.
Tue..NW winds 30 to 40 kt with gusts up to 50 kt. Seas 9 to 12 ft. Moderate freezing spray.
Tue night..W winds 20 to 30 kt with gusts up to 40 kt, diminishing to 15 to 20 kt with gusts up to 30 kt after midnight. Seas 6 to 9 ft, subsiding to 4 to 7 ft after midnight. Light freezing spray.
Wed..W winds 10 to 20 kt. Gusts up to 30 kt in the morning. Seas 3 to 5 ft, subsiding to 2 to 3 ft in the afternoon.
Wed night..NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 2 ft.
Thu..NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft.
Thu night..NW winds 15 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft.
Fri..NW winds 15 to 20 kt. Seas 2 to 3 ft.
Fri night..NW winds 15 to 20 kt. Seas 2 to 4 ft.
Sat..W winds 15 to 20 kt. Seas 2 to 4 ft.
Sat night..NW winds 10 to 20 kt. Seas 2 to 4 ft.
ANZ100 313 Pm Est Mon Mar 1 2021
Synopsis for stonington me to merrimack river ma out to 25 nm.. An arctic cold front will cross the waters tonight with heavy snow showers possible along it. Storm force gusts are expected on the outer waters tonight and Tuesday, with gale force gusts in the bays. In addition to the snow and winds, moderate to heavy freezing spray is also possible as the coldest air settles over the waters Tuesday morning. High pressure will bring more tranquil conditions by midweek, although occasional periods of gusty offshore winds around 25-30 kts are expected.
Synopsis for stonington me to merrimack river ma out to 25 nm.. An arctic cold front will cross the waters tonight with heavy snow showers possible along it. Storm force gusts are expected on the outer waters tonight and Tuesday, with gale force gusts in the bays. In addition to the snow and winds, moderate to heavy freezing spray is also possible as the coldest air settles over the waters Tuesday morning. High pressure will bring more tranquil conditions by midweek, although occasional periods of gusty offshore winds around 25-30 kts are expected.
7 Day Forecast for Marine Location Near Boothbay Harbor, ME
Hourly EDIT Help
location: 43.84, -69.64 debug
Area Discussion for - Gray/Portland, ME
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS61 KGYX 012055 AFDGYX
Area Forecast Discussion National Weather Service Gray ME 355 PM EST Mon Mar 1 2021
SYNOPSIS. An arctic front is fast approaching from the northwest this afternoon which will pass the region later tonight with renewed snow shower activity and a few squalls possibly. Winds will increase in the wake of the arctic front tonight and temperatures will take a tumble. Very cold wind chill values are expected later tonight and Tuesday with wind gusts of 40 to 50 MPH expected. Thereafter, little if any precipitation is expected for the rest of the week outside of mountain snow showers. However, colder than normal temperatures are expected on average, especially by the end of the week.
NEAR TERM /TONIGHT/. Main concern tonight will be the passage of arctic cold front . winds will be covered below as they mostly take place very early Tue morning thru mid afternoon.
Front is just entering Nrn zones at this hour . with a combination of rain and snow showers along it. Temps are falling sharply behind it . from the upper 30s into the upper 20s. The core of the tropopause polar vortex (TPV) is easily seen spinning to the E of Georgian Bay. This will be the main feature to watch for snow squalls and plunging temps. Current trajectory would have it grazing Srn NH this evening . and that is where I have the highest PoP. Core of the best snow squall parameters looks like it may stay S of the forecast area . so this will need watching thru the evening but I have not played up the threat too much with respective to brief heavy snow and low visibility in the grids as of yet.
SHORT TERM /TUESDAY THROUGH TUESDAY NIGHT/. Early Tue thru mid afternoon will be all about the wind. Deep mixed layer in strong CAA will support efficient momentum transfer to the surface Model guidance. especially hi-res . is showing a strong NW LLJ in excess of 50 kt developing early Tue. This favors widespread wind gusts in excess of 50 mph and wind advisories remain in place for this threat.
What is more concerning is the developing inversion that lowers into the morning Tue. The inversion is currently forecast to lower to near ridgeline. Upstream locations are forecast to have a similar inversion setting the stage for strong downslope acceleration in the lee of the mtns. Forecast cross sections feature theta lines bending towards the surface downwind of the summits . along with strong downward omega. Higher-res guidance even develops a jet in this zone . similar to other downslope wind storms. Winds are also strongest near the summit and decrease vertically. This will help support vertically propagating waves . and acceleration of flow over and down the mtn slopes. This will particularly be the case downwind of the White Mtns . Mahoosucs . and Bigelows. For this reason I have issued a high wind warning for these downslope winds. This situation is not that different from some of the big winds of recent years like Feb 2019 monthly record gust of 171 mph at MWN.
These winds combined with temps falling to near 0 will drop wind chills colder than 20 below in the foothills . and 30 below N of the mtns. There have been no changes to the wind chill headlines.
The cold and winds will be relatively short lived. An approaching wave will send a warm front Nwd and that will diminish the winds and allow temps to warm thru the night Tue night.
LONG TERM /WEDNESDAY THROUGH MONDAY/. A zonal, shortwave driven pattern gradually amplifies during the back half of the forecast period with mean troughing settling in over eastern NOAM by the weekend. Thus expect a fairly quiet period of weather with temperatures trending a couple to a few degrees below normal through the week. The only weather to speak of during this time is a few snow showers mainly over the mountains along with breezy northwest winds as shortwave axes rotate around the trough overhead, centered on the Thu/Fri time period. Ensemble anomalies agree on the general magnitude of cold with this airmass . with an h850 airmass around M20C dipping into New England by the start of the weekend. The pattern grows more uncertain by the start of the next week . a southern stream wave tracks across the southern states and may phase with the northern stream trough and bring a warmer airmass - and perhaps a storm off the coast - by the start of next week.
AVIATION /20Z MONDAY THROUGH SATURDAY/. Short Term . Remaining MVFR CIGs will clear out S of the mtns as we transition to upslope SHSN. MVFR CIGs will remain N of the mtns . including HIE. Isolated SHSN are possible S of the mtns . with local IFR possible. Most likely terminals affected will be HIE and then LEB. Small chance these will also sneak into CON and MHT. Winds ramp up late tonight thru midday Tue. Surface gusts of 30 to 40 kt possible at all terminals. Diminishing winds and VFR conditions expected Tue night.
Long Term . VFR prevails through the long term with a general NW wind. The best shot at any restrictions is in upslope flow and SHSN.
MARINE. Short Term . Arctic front is dropping into Nrn zones at this time and will cross the waters this evening. Strong winds gusts will develop behind it. Isolated heavy snow showers are possible along the front. Headlines for wind have not changed but the heavy freezing spray warning has been expanded SW into Casco Bay and the waters N of Cape Elizabeth.
Long Term . SCA conditions at times in offshore flow but otherwise fairly quiet over the waters for the end of the week.
GYX WATCHES/WARNINGS/ADVISORIES. ME . Wind Advisory from 1 AM to 4 PM EST Tuesday for MEZ007-014- 018>028-033. Wind Chill Advisory from 2 AM to 11 AM EST Tuesday for MEZ012>014. High Wind Warning from 5 AM to 3 PM EST Tuesday for MEZ008-009- 012-013. Wind Chill Warning from 2 AM to 11 AM EST Tuesday for MEZ007>009. NH . Wind Advisory from 1 AM to 4 PM EST Tuesday for NHZ001>003- 005>015. Wind Chill Advisory from 2 AM to 11 AM EST Tuesday for NHZ003- 004. High Wind Warning from 5 AM to 3 PM EST Tuesday for NHZ004. Wind Chill Warning from 2 AM to 11 AM EST Tuesday for NHZ001- 002. MARINE . Heavy Freezing Spray Warning from 2 AM to 1 PM EST Tuesday for ANZ150>153. Gale Warning from 7 PM this evening to 7 PM EST Tuesday for ANZ153. Storm Warning from midnight tonight to 1 PM EST Tuesday for ANZ150>152-154. Freezing Spray Advisory from 2 AM to 1 PM EST Tuesday for ANZ154.
NEAR TERM . Legro SHORT TERM . Legro LONG TERM . Casey
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| 44032 - Buoy E0104 - Central Maine Shelf | 17 mi | 78 min | W 16 G 18 | 40°F | 43°F | 5 ft | 992.2 hPa | |
| 44007 - PORTLAND 12 NM Southeast of Portland,ME | 34 mi | 32 min | W 16 G 19 | 42°F | 40°F | 4 ft | 994.1 hPa | 37°F |
| CASM1 - 8418150 - Portland, ME | 35 mi | 52 min | 44°F | 38°F | ||||
| 44033 - Buoy F0103 - West Penobscot Bay | 37 mi | 78 min | W 12 G 12 | 40°F | 3 ft | 991.3 hPa |
Wind History for Wells, ME
(wind in knots) EDIT (on/off) Help| 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | |
| Last 24hr | SE | SE | SE | S | S G11 | S | S G11 | S | S | S G14 | S G13 | SE G11 | SE | SE G7 | SE | N | N | W | NW | NW | W G6 | W | W G10 | NW G13 |
| 1 day ago | SW | W | NW | W G7 | W G9 | W | NW G14 | NW G15 | NW G11 | NW G19 | NW G14 | NW G7 | W | SW | N | N | W | -- | S | SE | SE | S | S | S |
| 2 days ago | SE | SE | SE | SE | SE | S | S G16 | S | S G23 | SW G15 | SW G10 | SW | SW | SW | SW | SW G17 | S | S G18 | S G22 | S G18 | S G19 | S G10 | SE | S |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Wiscasset Airport, ME | 8 mi | 29 min | Var 4 | 10.00 mi | Overcast | 41°F | 39°F | 93% | 994.6 hPa |
Link to 5 minute data for KIWI
Wind History from IWI (wind in knots)
| 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | |
| Last 24hr | Calm | Calm | Calm | Calm | E | Calm | Calm | Calm | SE | Calm | SE | E | Calm | Calm | W | Calm | W | Calm | ||||||
| 1 day ago | S | SW | W | W | W | W | W | Calm | Calm | Calm | Calm | Calm | Calm | SW | SW | Calm | W | W | SW | SW | Calm | |||
| 2 days ago | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | SW | Calm | Calm | S | S G14 | SW G21 | S G14 | SE G15 | SE G17 |
Tide / Current Tables for Southport, Townsend Gut, Maine
EDIT Weekend mode (on/off) (on/off) Help One Week of DataSouthport
Click for Map
Mon -- 12:04 AM EST 10.03 feet High Tide
Mon -- 06:09 AM EST -0.91 feet Low Tide
Mon -- 06:14 AM EST Sunrise
Mon -- 07:45 AM EST Moonset
Mon -- 12:22 PM EST 10.55 feet High Tide
Mon -- 05:27 PM EST Sunset
Mon -- 06:34 PM EST -1.16 feet Low Tide
Mon -- 08:26 PM EST Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 12:04 AM EST 10.03 feet High Tide
Mon -- 06:09 AM EST -0.91 feet Low Tide
Mon -- 06:14 AM EST Sunrise
Mon -- 07:45 AM EST Moonset
Mon -- 12:22 PM EST 10.55 feet High Tide
Mon -- 05:27 PM EST Sunset
Mon -- 06:34 PM EST -1.16 feet Low Tide
Mon -- 08:26 PM EST Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 10 | 9.5 | 7.7 | 5.1 | 2.2 | 0 | -0.9 | -0.4 | 1.4 | 4 | 6.9 | 9.3 | 10.5 | 10.3 | 8.8 | 6.3 | 3.3 | 0.7 | -0.9 | -1 | 0.2 | 2.6 | 5.5 | 8.2 |
Tide / Current Tables for Lowe Point (northeast of), Sasanoa River, Maine Current
EDIT (on/off) Help One Week of DataLowe Point (northeast of)
Click for Map
Mon -- 02:00 AM EST -0.00 knots Slack
Mon -- 04:28 AM EST -2.33 knots Max Ebb
Mon -- 06:15 AM EST Sunrise
Mon -- 07:45 AM EST Moonset
Mon -- 07:57 AM EST 0.00 knots Slack
Mon -- 10:34 AM EST 2.11 knots Max Flood
Mon -- 02:13 PM EST -0.00 knots Slack
Mon -- 04:51 PM EST -2.55 knots Max Ebb
Mon -- 05:27 PM EST Sunset
Mon -- 08:24 PM EST 0.00 knots Slack
Mon -- 08:26 PM EST Moonrise
Mon -- 11:01 PM EST 2.19 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 02:00 AM EST -0.00 knots Slack
Mon -- 04:28 AM EST -2.33 knots Max Ebb
Mon -- 06:15 AM EST Sunrise
Mon -- 07:45 AM EST Moonset
Mon -- 07:57 AM EST 0.00 knots Slack
Mon -- 10:34 AM EST 2.11 knots Max Flood
Mon -- 02:13 PM EST -0.00 knots Slack
Mon -- 04:51 PM EST -2.55 knots Max Ebb
Mon -- 05:27 PM EST Sunset
Mon -- 08:24 PM EST 0.00 knots Slack
Mon -- 08:26 PM EST Moonrise
Mon -- 11:01 PM EST 2.19 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 1.5 | 1 | 0 | -1.3 | -2.2 | -2.2 | -1.6 | -0.9 | 0 | 1.1 | 2 | 2 | 1.6 | 1 | 0.2 | -1 | -2.2 | -2.5 | -2 | -1.3 | -0.4 | 0.7 | 1.8 | 2.2 |
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