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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 5:58AM | Sunset 7:25PM | Wednesday April 14, 2021 6:56 AM EDT (10:56 UTC) | Moonrise 7:22AM | Moonset 10:04PM | Illumination 6% |  |
ANZ154 Coastal Waters From Cape Elizabeth, Me To Merrimack River, Ma Out 25 Nm- 617 Am Edt Wed Apr 14 2021
.gale watch in effect from Friday morning through Friday evening...
Today..SE winds up to 10 kt. Seas 3 to 4 ft. A slight chance of rain early this morning.
Tonight..SE winds 5 to 10 kt. Seas 2 to 4 ft.
Thu..E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.
Thu night..E winds 10 to 20 kt, becoming 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain in the evening, then rain likely after midnight.
Fri..NE winds 20 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft, building to 7 to 9 ft in the afternoon. Rain. Snow in the afternoon.
Fri night..NE winds 20 to 25 kt, becoming N 15 to 20 kt after midnight. Seas 7 to 9 ft. Rain in the evening, then rain likely with a chance of snow after midnight.
Sat..N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 7 to 9 ft, subsiding to 6 to 7 ft in the afternoon. A chance of rain in the morning.
Sat night..N winds 5 to 10 kt. Seas 4 to 6 ft.
Sun..N winds around 5 kt, becoming S in the afternoon. Seas 2 to 4 ft.
Sun night..SW winds 5 to 10 kt. Seas around 2 ft.
.gale watch in effect from Friday morning through Friday evening...
Today..SE winds up to 10 kt. Seas 3 to 4 ft. A slight chance of rain early this morning.
Tonight..SE winds 5 to 10 kt. Seas 2 to 4 ft.
Thu..E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.
Thu night..E winds 10 to 20 kt, becoming 15 to 20 kt after midnight. Gusts up to 30 kt. Seas 4 to 6 ft. A chance of rain in the evening, then rain likely after midnight.
Fri..NE winds 20 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft, building to 7 to 9 ft in the afternoon. Rain. Snow in the afternoon.
Fri night..NE winds 20 to 25 kt, becoming N 15 to 20 kt after midnight. Seas 7 to 9 ft. Rain in the evening, then rain likely with a chance of snow after midnight.
Sat..N winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 7 to 9 ft, subsiding to 6 to 7 ft in the afternoon. A chance of rain in the morning.
Sat night..N winds 5 to 10 kt. Seas 4 to 6 ft.
Sun..N winds around 5 kt, becoming S in the afternoon. Seas 2 to 4 ft.
Sun night..SW winds 5 to 10 kt. Seas around 2 ft.
ANZ100 617 Am Edt Wed Apr 14 2021
Synopsis for stonington me to merrimack river ma out to 25 nm.. A weak high pressure ridge axis will remain over the area through Thursday with generally light winds over the waters. Low pressure will take shape south of new england late Thursday before strengthening south of the gulf of maine on Friday with gale force winds becoming increasingly likely. This low will begin to move east...away from the waters on Saturday.
Synopsis for stonington me to merrimack river ma out to 25 nm.. A weak high pressure ridge axis will remain over the area through Thursday with generally light winds over the waters. Low pressure will take shape south of new england late Thursday before strengthening south of the gulf of maine on Friday with gale force winds becoming increasingly likely. This low will begin to move east...away from the waters on Saturday.
7 Day Forecast for Marine Location Near Saco, ME
Hourly EDIT Help
location: 43.49, -70.45 debug
Area Discussion for - Gray/Portland, ME
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS61 KGYX 141028 AFDGYX
Area Forecast Discussion National Weather Service Gray ME 628 AM EDT Wed Apr 14 2021
SYNOPSIS. High pressure over the region will bring another relatively quiet day with mild conditions expected especially away from the coast. Low pressure develops south of New England on Thursday and tracks into the Gulf of Maine Friday night. Rain will begin Thursday night and change to snow on Friday as colder air wraps into the system. Heaviest accumulations are likely in the higher terrain, but accumulations are possible all the way to the coast. Low pressure moves away on Saturday with dry and mild weather expected for the rest of the weekend and into next week.
NEAR TERM /UNTIL 6 PM THIS EVENING/. Update . Will continue with low chance pops over southern New Hampshire for another couple hours. Any light precipitation will end by mid morning as depicted on the latest HRRR.
Made minor adjustments to temperatures and dew points. Have also added more cloud cover for this morning as latest satellite trends continue to show cloud cover converging on westernmost Maine and much of New Hampshire.
Prev Disc . The separation of cool and moist maritime air will continue to be banked up across western New Hampshire this morning. This will be the location for the most cloudiness today with mainly mid level cloudiness across this region. There could be a sprinkle or two as well however forcing is limited between an upper level low pressure system to our east and another over the Great Lakes.
Afternoon temperatures will be coolest along the coastline where winds will be onshore off the Gulf of Maine with the warmest readings in the downslope areas of New Hampshire, namely the Connecticut River Valley and northern portions of the state where readings will climb through the 60s during the afternoon hours.
SHORT TERM /6 PM THIS EVENING THROUGH 6 PM THURSDAY/. A large cutoff low pressure system will move east tonight, allowing clouds to thicken and lower across the region, especially over southwestern New Hampshire. There will be a low chance for rain in the Connecticut Valley late tonight as the ptype remains in a liquid form with surface temperatures in the upper 30s to lower 40s and plenty of warm air aloft.
The rain will continue to enter western New Hampshire on Thursday as low level warm air advection continues. Evaporational cooling will allow for temperatures in the 40s to lower 50s for daytime highs as cyclogenesis occurs along and off the southern New England coastline. Further to the east, drier air will be in place, however clouds will lower and thicken with time across Maine. This sets the stage for heavier precipitation for the long term portion of the forecast.
LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/. Low pressure strengthens and wraps in toward Cape Cod Thursday night into Friday morning as the upper level low catches up with the surface low. As it does so we expect precipitation to spread north and east across the rest of New Hampshire and western Maine by Friday morning. As the upper low arrives, colder air will also be brought into the system from the top down. The combination of cold air arriving with the upper low as well as some cool, dry air being pulled into it from the northeast will cause rain to change to snow across a good portion of the forecast area on Friday and into Friday night before the low moves away on Saturday morning.
The tricky part about this forecast will be the temperature forecast and its impact on precipitation type. Cold air will be working its way in largely from the top down meaning that snow will become increasingly favored as that cold air makes its way toward the surface aided in part by increasing precipitation rates on Friday. The arrival of the cold air and the change from rain to snow is best tracked in 925 mb temperatures falling below freezing. Ground level temperatures will be near or above freezing for most areas through the majority of this event with the snow that makes it to the surface of the sticky and wet variety, sticking efficiently to trees and elevated surfaces. With the cold air staying just above the surface, the higher elevations are likely to see the highest total snowfall amounts as the hills will be more solidly in the colder air. However, there is a good chance of at least some accumulation even toward the coast. The primary message of this forecast is that there is an increased chance of snow accumulations outside of the higher terrain and toward the coast, although significant uncertainty still exists on snow amounts. With ground level temperatures above freezing, we must avoid using model derived snow amounts which use standard snow ratios like 10 to 1. With significant compaction expected, snow ratios may be closer to half that. If we are able to see several inches of this type of snowfall it will lead to snapped tree limbs and power outages. Again, this is most likely in the higher terrain at this time, but is possible across a broader area of western Maine and central New Hampshire.
Precipitation comes to an end on Saturday as low pressure pulls away to the east. We will see a period of relatively quiet weather with seasonable temperatures gradually warming into early next week. The next Arctic cold front drops south into the Northern Plains on Monday and then heads east through the Great Lakes and toward the East Coast. It seems most likely to arrive in our area around Wednesday and could provide another chance of precipitation.
AVIATION /10Z WEDNESDAY THROUGH SUNDAY/. Short Term . Cloud cover will be most persistent over New Hampshire today, however VFR conditions are expected to prevail. Ceilings lower tonight into Thursday over New Hampshire, especially western portions of the state. Conditions will likely lower to MVFR during this period.
Long Term . We will likely see a period of prolonged IFR conditions Thursday night through Friday night, potentially lasting into Saturday. This is as low pressure tracks just to our south and spreads rain across the region, changing to snow as the temperature cools on Friday. Conditions improve on Saturday as the low moves away with VFR lasting into the middle of next week.
MARINE. Short Term . A general easterly flow will continue during the near and short term portions of the forecast. However, winds and seas will remain below SCA thresholds through Thursday.
Long Term . As low pressure strengthens and tracks near Cape Cod on Friday, northeast winds will intensify over the Gulf of Maine as well. A Gale Watch has been issued as gust to 35 or 40 kt are expected. Winds decrease in intensity as the low tracks through the Gulf of Maine Friday night and pulls away to the east Saturday morning.
GYX WATCHES/WARNINGS/ADVISORIES. ME . None. NH . None. MARINE . Gale Watch from Friday morning through Friday evening for ANZ150-152-154.
NEAR/SHORT TERM . Cannon LONG TERM . Kimble
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 |
| WEXM1 - Wells Reserve, ME | 12 mi | 56 min | NE 1.9 | 43°F | 41°F | |||
| WELM1 - 8419317 - Wells, ME | 13 mi | 56 min | E 4.1 G 6 | 44°F | 46°F | 1019.4 hPa (+0.8) | ||
| CASM1 - 8418150 - Portland, ME | 16 mi | 56 min | 43°F | 47°F | ||||
| 44007 - PORTLAND 12 NM Southeast of Portland,ME | 17 mi | 36 min | NE 5.8 G 7.8 | 43°F | 43°F | 1019.3 hPa | 38°F | |
| 44030 - Buoy B0102 - Western Maine Shelf | 22 mi | 172 min | NE 3.9 G 3.9 | 44°F | 4 ft | 1017.8 hPa | ||
| CMLN3 | 32 mi | 172 min | NNW 12 | 43°F | 46°F | |||
| 44073 | 33 mi | 112 min | NE 3.9 G 5.8 | 45°F | 44°F | |||
| BGXN3 - Great Bay Reserve, NH | 36 mi | 71 min | E 1 | 41°F | 1019 hPa | 41°F | ||
| IOSN3 - Isle of Shoals, NH | 37 mi | 56 min | E 11 G 11 | 44°F | 1018.5 hPa (+0.5) | 42°F |
Wind History for Wells, ME
(wind in knots) EDIT (on/off) Help| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | |
| Last 24hr | N | N G10 | NE | N G15 | N G15 | NE G15 | N G15 | N | SE | S | S | S G10 | S | NE | S | S | S | S | S | SW | NW | N | N | E |
| 1 day ago | N G10 | NE G16 | NE G17 | NE G23 | E G17 | E G16 | E | E G17 | E G15 | E G13 | E | E | E | NW | N | N | N | N | N | N | N | N | N | N G10 |
| 2 days ago | NE | NE G15 | E G16 | NE G15 | E G20 | E | E G18 | E | SE G12 | SE | S | S | SE | E | N | NW | N | N | N | N | N | N | N | N |
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 |
| Portland, Portland International Jetport, ME | 14 mi | 65 min | N 0 | 10.00 mi | Overcast | 41°F | 40°F | 96% | 1019.4 hPa |
| Sanford, Sanford Regional Airport, ME | 15 mi | 60 min | N 0 | 10.00 mi | Overcast | 42°F | 40°F | 92% | 1019.6 hPa |
Link to 5 minute data for KPWM
Wind History from PWM (wind in knots)
| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | |
| Last 24hr | N | N | N | NE G20 | N | N | N | N G15 | E | NE | E | S | S | Calm | SE | SE | S | Calm | Calm | Calm | Calm | Calm | Calm | Calm |
| 1 day ago | NE G15 | N G17 | NE G19 | NE | NE G18 | NE | E G20 | E | E G20 | E | E G19 | E | SE | Calm | NW | Calm | Calm | N | N | N | N | N | N | N |
| 2 days ago | N | NE | NE | E | E | E | E | E | E | E | S | SE | S | Calm | Calm | W | W | Calm | W | N | N | NE | NE | NE |
Tide / Current Tables for Old Orchard Beach, Maine
EDIT Weekend mode (on/off) (on/off) Help One Week of DataOld Orchard Beach
Click for Map
Wed -- 01:10 AM EDT 9.34 feet High Tide
Wed -- 06:00 AM EDT Sunrise
Wed -- 07:20 AM EDT 0.12 feet Low Tide
Wed -- 07:21 AM EDT Moonrise
Wed -- 01:39 PM EDT 8.76 feet High Tide
Wed -- 07:23 PM EDT Sunset
Wed -- 07:28 PM EDT 0.94 feet Low Tide
Wed -- 10:04 PM EDT Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 01:10 AM EDT 9.34 feet High Tide
Wed -- 06:00 AM EDT Sunrise
Wed -- 07:20 AM EDT 0.12 feet Low Tide
Wed -- 07:21 AM EDT Moonrise
Wed -- 01:39 PM EDT 8.76 feet High Tide
Wed -- 07:23 PM EDT Sunset
Wed -- 07:28 PM EDT 0.94 feet Low Tide
Wed -- 10:04 PM EDT Moonset
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 |
| 8.7 | 9.3 | 9 | 7.6 | 5.4 | 3 | 1.1 | 0.2 | 0.3 | 1.5 | 3.4 | 5.6 | 7.5 | 8.6 | 8.7 | 7.8 | 6.1 | 4 | 2.1 | 1.1 | 1.1 | 2 | 3.8 | 5.9 |
Tide / Current Tables for Wood Island Harbor, Maine
EDIT (on/off) Help One Week of DataWood Island Harbor
Click for Map
Wed -- 01:12 AM EDT 9.24 feet High Tide
Wed -- 06:00 AM EDT Sunrise
Wed -- 07:21 AM EDT Moonrise
Wed -- 07:22 AM EDT 0.12 feet Low Tide
Wed -- 01:41 PM EDT 8.67 feet High Tide
Wed -- 07:23 PM EDT Sunset
Wed -- 07:30 PM EDT 0.93 feet Low Tide
Wed -- 10:04 PM EDT Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 01:12 AM EDT 9.24 feet High Tide
Wed -- 06:00 AM EDT Sunrise
Wed -- 07:21 AM EDT Moonrise
Wed -- 07:22 AM EDT 0.12 feet Low Tide
Wed -- 01:41 PM EDT 8.67 feet High Tide
Wed -- 07:23 PM EDT Sunset
Wed -- 07:30 PM EDT 0.93 feet Low Tide
Wed -- 10:04 PM EDT Moonset
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 |
| 8.5 | 9.2 | 8.9 | 7.6 | 5.4 | 3 | 1.1 | 0.2 | 0.3 | 1.4 | 3.3 | 5.5 | 7.3 | 8.4 | 8.6 | 7.8 | 6.1 | 4 | 2.1 | 1.1 | 1.1 | 2 | 3.7 | 5.8 |
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