Marine Weather and Tide Forecast for Cousins Island, ME
February 18, 2025 8:10 PM EST (01:10 UTC) Change Location
![]() | Sunrise 6:32 AM Sunset 5:16 PM Moonrise 12:00 AM Moonset 9:50 AM |
ANZ153 Casco Bay- 735 Pm Est Tue Feb 18 2025
.small craft advisory in effect until 10 pm est this evening - .
Tonight - NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Moderate freezing spray.
Wed - W winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Light freezing spray in the morning.
Wed night - NW winds 5 to 10 kt. Seas 1 foot or less. Light freezing spray.
Thu - N winds 5 to 10 kt. Seas 1 foot or less. Light freezing spray in the morning.
Thu night - N winds 10 to 15 kt, becoming nw 15 to 20 kt after midnight. Seas 1 foot or less, then around 2 ft after midnight. Light freezing spray after midnight.
Fri - NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 2 ft. Light freezing spray in the morning.
Fri night - NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas around 2 ft. Light freezing spray.
Sat - W winds 5 to 10 kt with gusts up to 20 kt, becoming sw in the afternoon. Seas around 2 ft. Light freezing spray in the morning.
Sat night - W winds 5 to 10 kt with gusts up to 20 kt. Seas 1 foot or less.
Sun - W winds 5 to 10 kt. Seas 1 foot or less.
Sun night - NW winds 5 to 10 kt. Seas 1 foot or less.
ANZ100 735 Pm Est Tue Feb 18 2025
Synopsis for stonington me to merrimack river ma out to 25 nm westerly gales continue across the waters through this evening before lowering tonight as low pressure across the canadian maritimes moves away high pressure gradually builds east into the waters over the next couple days. The high remains centered west of the waters through the week. A deepening area of low pressure likely passes south of the gulf of maine on Thursday.

NEW! Add second zone forecast
Prince Point Click for Map Tue -- 02:27 AM EST 8.89 feet High Tide Tue -- 06:34 AM EST Sunrise Tue -- 08:42 AM EST 0.91 feet Low Tide Tue -- 08:50 AM EST Moonset Tue -- 02:53 PM EST 8.25 feet High Tide Tue -- 05:15 PM EST Sunset Tue -- 08:53 PM EST 1.32 feet Low Tide Tue -- 11:45 PM EST Moonrise Tide / Current data from XTide NOT FOR NAVIGATION |   |
Prince Point, Maine, Tide feet
12 am |
6.2 |
1 am |
7.9 |
2 am |
8.8 |
3 am |
8.8 |
4 am |
7.8 |
5 am |
6.2 |
6 am |
4.1 |
7 am |
2.3 |
8 am |
1.1 |
9 am |
0.9 |
10 am |
1.6 |
11 am |
3.1 |
12 pm |
4.9 |
1 pm |
6.7 |
2 pm |
7.9 |
3 pm |
8.2 |
4 pm |
7.7 |
5 pm |
6.5 |
6 pm |
4.7 |
7 pm |
2.9 |
8 pm |
1.7 |
9 pm |
1.3 |
10 pm |
1.8 |
11 pm |
3.1 |
Upper Hell Gate (Sasanoa River Click for Map Tue -- 12:14 AM EST 0.00 knots Slack Tue -- 03:11 AM EST 0.88 knots Max Flood Tue -- 06:33 AM EST Sunrise Tue -- 07:21 AM EST -0.00 knots Slack Tue -- 08:48 AM EST Moonset Tue -- 09:24 AM EST -0.73 knots Max Ebb Tue -- 12:47 PM EST 0.00 knots Slack Tue -- 03:31 PM EST 0.74 knots Max Flood Tue -- 05:13 PM EST Sunset Tue -- 07:36 PM EST -0.00 knots Slack Tue -- 09:42 PM EST -0.72 knots Max Ebb Tue -- 11:43 PM EST Moonrise Tide / Current data from XTide NOT FOR NAVIGATION |   |
Upper Hell Gate (Sasanoa River, Maine) Current, knots
12 am |
-0.1 |
1 am |
0.3 |
2 am |
0.7 |
3 am |
0.9 |
4 am |
0.8 |
5 am |
0.7 |
6 am |
0.5 |
7 am |
0.2 |
8 am |
-0.3 |
9 am |
-0.7 |
10 am |
-0.7 |
11 am |
-0.4 |
12 pm |
-0.2 |
1 pm |
0.1 |
2 pm |
0.4 |
3 pm |
0.7 |
4 pm |
0.7 |
5 pm |
0.6 |
6 pm |
0.4 |
7 pm |
0.2 |
8 pm |
-0.2 |
9 pm |
-0.6 |
10 pm |
-0.7 |
11 pm |
-0.5 |
Area Discussion for Gray/Portland, ME
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FXUS61 KGYX 190037 AFDGYX
Area Forecast Discussion National Weather Service Gray ME 737 PM EST Tue Feb 18 2025
SYNOPSIS
Cold high pressure builds in early this week with gusty winds diminishing this evening and tonight. Low pressure likely passes well south of New England on Thursday. High pressure then continues to gradually build in during the weekend with a moderating trend.
NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/
Updated temperatures, winds and surface dew points for the near term portion of the forecast. Dry conditions will continue outside of a few upslope snow showers in the mountains Temperatures will be falling below zero in the north this evening.
Prev Disc...
Breezy but otherwise quiet weather continues into early this evening. Forecast soundings support gusts of 30 to 40 mph for a few more hours, but then winds will then steadily ease through tonight (although still 20-25 mph at times). Latest RAP analysis indicates a 500mb shortwave draped across the International Border, and this will gradually work its way southward through this evening into the early part of tonight.
It will be running into quite a bit of dry air, so for areas south of the mountains, mainly just an increase in cloud cover with perhaps some flurries here and there. In the mountains, there will be a continued chance of snow showers tonight with upslope flow remaining.
It will be another cold night with enough of a breezy to bring wind chills as low as -10F south of the mountains and -15F to -20F in the mountains (except much lower going up in elevation).
SHORT TERM /6 AM WEDNESDAY MORNING THROUGH WEDNESDAY NIGHT/
Model guidance is depicting a weak upper low forming across southern Quebec on Wednesday, resulting in a few snow showers for far northern areas (with upslope flow still in place too).
Otherwise dry conditions are expected across the remainder of the area as low pressure currently over the Canadian Maritimes pulls farther away. This will allow the pressure gradient to relax and result in less breezy conditions across the area, but we still may see gusts 25-30 mph in the morning before a downward trend going into the afternoon. Comparatively, it will probably feel pretty nice out compared to today and Monday with the lighter winds and temperatures mostly in the 20s, except some teens in the mountains.
Low pressure emerges off the coast of the Carolinas Wednesday night while shortwave ridging overhead maintains dry conditions over New England. Winds will be light enough for good radiational cooling, but there may be some mid/high clouds from the low pressure well to the south that end up leveling off cooling at some point overnight.
I have blended in some cooler guidance to bring temps down a bit but haven't gone too low due to the potential increasing clouds.
LONG TERM /THURSDAY THROUGH TUESDAY/
Key Messages:
* Coastal low brushes the area to the south and east Thursday evening with some potential flurries/snow showers along the coast.
Gusty northwest winds are expected in the wake of this system Friday.
* Quiet period of weather beyond this through early next week with temperatures moving to around...or just above normal.
--Pattern and Summary--
There is a pattern shift occurring over the northern hemisphere this week as downstream blocking over Greenland relents and the NAO pushes into positive territory by week's end
In the Pacific
a similar...though less dramatic shift in the EPO from negative to positive will allow for an increasing Pacific influence across North America. Ensembles are in good agreement on an extended stretch of quiet weather through the long the forecast period with the increasing Pacific influence bringing slowly moderating temperatures.
--Details--
Thursday: EC-EPS/GEFS in strong agreement that trough digging into the northeastern US will spawn low pressure which will remain well south and east of the benchmark late Thursday and Thursday night.
Despite this track...some of the guidance suite has some light snow brushing coastal areas
Otherwise
mostly cloudy and seasonably cool conditions with northerly winds strengthening Thursday night.
Friday through Sunday: High pressure ridge axis builds into the region for Friday and Saturday before a northwesterly flow regime becomes entrenched aloft. Well-placed DGZ and NNW upslope supports mountain SHSN Thursday night into Friday with otherwise dry conditions with quiet weather to the south and east. T9s around -10C Friday and Saturday begin to moderate to around -7C Sunday as the flow begins to back ahead of next approaching northern stream wave.
This will yield highs in the 20s on Friday moderating to the upper 20s-mid 30s from north to south by Sunday.
Monday and Tuesday: Fast-moving, shortwave-laden northwesterly flow opens the new work week with mountain snow showers...some of which may push into the foothills and coastal plain. Temperatures should end the period close to seasonal norms...with most spots in the 30s.
AVIATION /01Z WEDNESDAY THROUGH SUNDAY/
Short Term...Mainly VFR through Wednesday night, except for the possibility of MVFR ceilings/snow showers at HIE. Even though west to northwest winds will remain somewhat breezy into this evening, a steady downward trend is expected through tonight.
Winds will be less breezy Wednesday but could reach 20-25 kt at times, mostly in the morning.
Long Term...VFR conditions are expected to dominate the long term forecast period. Low pressure passing well south and east of the region Thursday night may spread a few flurries/light SHSN to the coastal terminals. Gusty northwest winds /15G25kts/ are expected Friday before quieter conditions through the weekend.
MARINE
Short Term...Gales persist through this evening but will switch to SCA conditions overnight through early Wednesday morning as winds gradually subside. Conditions then likely remain below SCA levels through Wednesday night.
Long Term...Low pressure will pass south and east of the waters Thursday night with gusty northwest winds developing as it departs Friday. SCAs will be necessary and depending on the proximity of the low...gale force wind gusts will be possible over the outer waters. Northwest winds will subside as a high pressure ridge axis builds into the region this weekend.
GYX WATCHES/WARNINGS/ADVISORIES
ME...None.
NH...None.
MARINE...Gale Warning until midnight EST tonight for ANZ150-152-154.
Freezing Spray Advisory until 9 AM EST Wednesday for ANZ150>152-154.
Small Craft Advisory until 4 AM EST Wednesday for ANZ151.
Small Craft Advisory until 10 PM EST this evening for ANZ153.
Area Forecast Discussion National Weather Service Gray ME 737 PM EST Tue Feb 18 2025
SYNOPSIS
Cold high pressure builds in early this week with gusty winds diminishing this evening and tonight. Low pressure likely passes well south of New England on Thursday. High pressure then continues to gradually build in during the weekend with a moderating trend.
NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/
Updated temperatures, winds and surface dew points for the near term portion of the forecast. Dry conditions will continue outside of a few upslope snow showers in the mountains Temperatures will be falling below zero in the north this evening.
Prev Disc...
Breezy but otherwise quiet weather continues into early this evening. Forecast soundings support gusts of 30 to 40 mph for a few more hours, but then winds will then steadily ease through tonight (although still 20-25 mph at times). Latest RAP analysis indicates a 500mb shortwave draped across the International Border, and this will gradually work its way southward through this evening into the early part of tonight.
It will be running into quite a bit of dry air, so for areas south of the mountains, mainly just an increase in cloud cover with perhaps some flurries here and there. In the mountains, there will be a continued chance of snow showers tonight with upslope flow remaining.
It will be another cold night with enough of a breezy to bring wind chills as low as -10F south of the mountains and -15F to -20F in the mountains (except much lower going up in elevation).
SHORT TERM /6 AM WEDNESDAY MORNING THROUGH WEDNESDAY NIGHT/
Model guidance is depicting a weak upper low forming across southern Quebec on Wednesday, resulting in a few snow showers for far northern areas (with upslope flow still in place too).
Otherwise dry conditions are expected across the remainder of the area as low pressure currently over the Canadian Maritimes pulls farther away. This will allow the pressure gradient to relax and result in less breezy conditions across the area, but we still may see gusts 25-30 mph in the morning before a downward trend going into the afternoon. Comparatively, it will probably feel pretty nice out compared to today and Monday with the lighter winds and temperatures mostly in the 20s, except some teens in the mountains.
Low pressure emerges off the coast of the Carolinas Wednesday night while shortwave ridging overhead maintains dry conditions over New England. Winds will be light enough for good radiational cooling, but there may be some mid/high clouds from the low pressure well to the south that end up leveling off cooling at some point overnight.
I have blended in some cooler guidance to bring temps down a bit but haven't gone too low due to the potential increasing clouds.
LONG TERM /THURSDAY THROUGH TUESDAY/
Key Messages:
* Coastal low brushes the area to the south and east Thursday evening with some potential flurries/snow showers along the coast.
Gusty northwest winds are expected in the wake of this system Friday.
* Quiet period of weather beyond this through early next week with temperatures moving to around...or just above normal.
--Pattern and Summary--
There is a pattern shift occurring over the northern hemisphere this week as downstream blocking over Greenland relents and the NAO pushes into positive territory by week's end
In the Pacific
a similar...though less dramatic shift in the EPO from negative to positive will allow for an increasing Pacific influence across North America. Ensembles are in good agreement on an extended stretch of quiet weather through the long the forecast period with the increasing Pacific influence bringing slowly moderating temperatures.
--Details--
Thursday: EC-EPS/GEFS in strong agreement that trough digging into the northeastern US will spawn low pressure which will remain well south and east of the benchmark late Thursday and Thursday night.
Despite this track...some of the guidance suite has some light snow brushing coastal areas
Otherwise
mostly cloudy and seasonably cool conditions with northerly winds strengthening Thursday night.
Friday through Sunday: High pressure ridge axis builds into the region for Friday and Saturday before a northwesterly flow regime becomes entrenched aloft. Well-placed DGZ and NNW upslope supports mountain SHSN Thursday night into Friday with otherwise dry conditions with quiet weather to the south and east. T9s around -10C Friday and Saturday begin to moderate to around -7C Sunday as the flow begins to back ahead of next approaching northern stream wave.
This will yield highs in the 20s on Friday moderating to the upper 20s-mid 30s from north to south by Sunday.
Monday and Tuesday: Fast-moving, shortwave-laden northwesterly flow opens the new work week with mountain snow showers...some of which may push into the foothills and coastal plain. Temperatures should end the period close to seasonal norms...with most spots in the 30s.
AVIATION /01Z WEDNESDAY THROUGH SUNDAY/
Short Term...Mainly VFR through Wednesday night, except for the possibility of MVFR ceilings/snow showers at HIE. Even though west to northwest winds will remain somewhat breezy into this evening, a steady downward trend is expected through tonight.
Winds will be less breezy Wednesday but could reach 20-25 kt at times, mostly in the morning.
Long Term...VFR conditions are expected to dominate the long term forecast period. Low pressure passing well south and east of the region Thursday night may spread a few flurries/light SHSN to the coastal terminals. Gusty northwest winds /15G25kts/ are expected Friday before quieter conditions through the weekend.
MARINE
Short Term...Gales persist through this evening but will switch to SCA conditions overnight through early Wednesday morning as winds gradually subside. Conditions then likely remain below SCA levels through Wednesday night.
Long Term...Low pressure will pass south and east of the waters Thursday night with gusty northwest winds developing as it departs Friday. SCAs will be necessary and depending on the proximity of the low...gale force wind gusts will be possible over the outer waters. Northwest winds will subside as a high pressure ridge axis builds into the region this weekend.
GYX WATCHES/WARNINGS/ADVISORIES
ME...None.
NH...None.
MARINE...Gale Warning until midnight EST tonight for ANZ150-152-154.
Freezing Spray Advisory until 9 AM EST Wednesday for ANZ150>152-154.
Small Craft Advisory until 4 AM EST Wednesday for ANZ151.
Small Craft Advisory until 10 PM EST this evening for ANZ153.
Stations | Dist | Age | Wind | Air | Water | Waves | inHg | DewPt |
CASM1 - 8418150 - Portland, ME | 8 mi | 52 min | 18°F | 33°F | 29.92 | |||
44007 - PORTLAND 12 NM Southeast of Portland,ME | 16 mi | 40 min | WNW 21G | 21°F | 39°F | 29.94 | 6°F | |
WEXM1 - Wells Reserve, ME | 35 mi | 70 min | W 6 | 20°F | -3°F | |||
44030 - Buoy B0102 - Western Maine Shelf | 42 mi | 126 min | WNW 23G | 26°F | 40°F | 4 ft | 29.89 | |
44032 - Buoy E0104 - Central Maine Shelf | 43 mi | 126 min | NW 19G | 21°F | 6 ft | 29.87 |
Wind History for Portland, ME
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Airport Reports
Link to 1 hour of 5 minute data for KPWM
Terminal Aerodrome Forecast (TAF) for KPWM
Wind History Graph: PWM
(wind in knots)GEOS Local Image of north east
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Portland, ME,

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