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Marine Weather and Tides
Version 3.4 |
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. 6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen |
| Sunrise 6:58AM | Sunset 5:57PM | Friday October 18, 2019 7:34 PM EDT (23:34 UTC) | Moonrise 9:04PM | Moonset 11:36AM | Illumination 72% |  |
ANZ154 Coastal Waters From Cape Elizabeth, Me To Merrimack River, Ma Out 25 Nm- 715 Pm Edt Fri Oct 18 2019
.small craft advisory in effect until 6 am edt Saturday...
Tonight..NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft.
Sat..NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 3 ft in the morning, then 1 foot or less.
Sat night..NW winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less.
Sun..E winds around 5 kt, becoming se in the afternoon. Seas 1 foot or less.
Sun night..SE winds around 5 kt. Seas 1 foot or less.
Mon..NE winds 5 to 10 kt. Seas 1 foot or less.
Mon night..E winds 5 to 10 kt, becoming 5 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft.
Tue..E winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Tue night..S winds 10 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. Showers likely.
Wed..S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers.
Wed night..W winds 10 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft.
.small craft advisory in effect until 6 am edt Saturday...
Tonight..NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft.
Sat..NW winds 10 to 15 kt with gusts up to 25 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 3 ft in the morning, then 1 foot or less.
Sat night..NW winds 5 to 10 kt, becoming N after midnight. Seas 1 foot or less.
Sun..E winds around 5 kt, becoming se in the afternoon. Seas 1 foot or less.
Sun night..SE winds around 5 kt. Seas 1 foot or less.
Mon..NE winds 5 to 10 kt. Seas 1 foot or less.
Mon night..E winds 5 to 10 kt, becoming 5 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft.
Tue..E winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Tue night..S winds 10 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. Showers likely.
Wed..S winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 7 ft. A chance of showers.
Wed night..W winds 10 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft.
ANZ100 715 Pm Edt Fri Oct 18 2019
Synopsis for stonington me to merrimack river ma out to 25 nm.. Strong low pressure will gradually exit into the maritimes through Saturday. High pressure will build in for the second half of the weekend and early next week. The next storm system will cross the waters Tuesday into Wednesday. &&
Synopsis for stonington me to merrimack river ma out to 25 nm.. Strong low pressure will gradually exit into the maritimes through Saturday. High pressure will build in for the second half of the weekend and early next week. The next storm system will cross the waters Tuesday into Wednesday. &&
7 Day Forecast for Marine Location Near Kittery, ME
Hourly EDIT Helplocation: 43.08, -70.75 debug
Area Discussion for - Gray/Portland, ME
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kgyx 182317 afdgyx area forecast discussion national weather service gray me 717 pm edt Fri oct 18 2019 Synopsis A storm system over the maritimes will gradually weaken and exit the region tonight. Gusty winds behind this system will subside tonight. High pressure follows this system for the weekend into early next week. A frontal system will move across the region around Tuesday or Wednesday. High pressure builds in for the end of next week. Near term until 6 am Saturday morning 715 pm update... Little change to the going forecast. Clearing continues downwind of the mountains and this trend likely continues this evening. A few upslope rain and snow showers in the mountains remain, but these will continue wane overnight. Winds will continue to subside. Previously... at 18z a 990 millibar low was centered vicinity of the gaspe peninsula. Weak impulses and associated surface troughs continue to pivot around this system today producing clouds along with a few showers mainly over northern and eastern sections. Gusty winds and cool temperatures are making for a chilly fall day. Clouds should begin to thin out this evening following passage of a weak impulse and with the loss of daytime heating. We'll see some lingering upslope clouds and rain or snow showers across the higher terrain with the remainder of the area becoming mostly clear. Lows tonight will be in the 30s with a few 40 degree temperatures along the coast and in southeast new hampshire. Short term 6 am Saturday morning through Saturday night On Saturday... The storm system over the maritimes continues to slowly pull away. We'll see some leftover upslope clouds across the mountains with mainly sunny skies elsewhere. Once again a northwest breeze but not as windy as today. Highs will range from the upper 40s along the international border to the 50s elsewhere. Saturday night will see clear skies and winds becoming light as high pressure finally builds east into the region. Temperatures will respond accordingly to the radiational cooling with lows in the 20s to lower 30s with some late night valley stratus and fog likely. Long term Sunday through Friday 500 mb pattern across noam and surrounding oceans will tend to remain fairly amplified with potential blocking sitting up across N atlantic greenland region toward the end of next week. Before that will initially see narrow but high amplitude ridge setting up over the NE CONUS and into ERN canada, which should for allow for a dry, and seasonably mild period Sunday into |
Monday. Deepening trough to our west will slowly approach and rotate NE across the area mid week, which will bring a chance of some rain showers. Models indicating potential for narrow ridging to develop again behind this system late in the week. For the most part, 850 mb temps remain near to above normal. Sunday and Monday are expected to be decent days with sfc high holding over the region as remnants of TC nestor pass well S of new england. Some cirrus from this system possible but otherwise should be dry and at least partly sunny with highs both days in the 50s to around 60 in S nh and on the coast. Given the location of the sfc high, went below guidance a bit for lows sun night, as we should see a decent set up for rad cooling. Only issue will be possible clouds associated with nestor. Still lows in the N should be 30-35, ranging to the upper 30s and low 40s in the s. Fairly large and deepening 500 mb trough over central noam will slowly shift NE Tue and wed, with main sfc low tracking to our west, and potential for secondary low formation over the NE as energy rotates around base of the trough. This will bring a round of rain to the region in the tue-wed timeframe, although exact timing and QPF still uncertain at this point. In the wake of this system high pressure will build in from the SW for the latter part of next week. Aviation 23z Friday through Wednesday Short term through Saturday night ...VFR with pockets of MVFR across the mtns with sct -shra -shsn. NW surface wind gusting up to 25 kt through 22z today before subsiding. BecomingVFR throughout aft 22z Saturday. LCL ifr psb btw 08 and 12z Sunday in valley stratus and fog. Long term... MainlyVFR Sun through Mon night. Flight restrictions possible at times tue-wed as frontal system moves through. Marine Short term through Saturday night ... Nw flow and marginal sca conditions continue. The short range models continue to show another surge of wind late today early evening with a passing surface trough so the SCA will remain in place and be extended through late tonight. Thereafter... Bays and outer waters should see conditions below sca. Long term... May need SCA Tue into Wed as S flow ahead of deepening low to our west picks up and pushes seas up as well. Gyx watches warnings advisories Me... None. Nh... None. Marine... Small craft advisory until 6 am edt Saturday for anz150>154. |
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 |
| BGXN3 - Great Bay Reserve, NH | 4 mi | 109 min | W 6 | 52°F | 1008 hPa | 38°F | ||
| IOSN3 - Isle of Shoals, NH | 10 mi | 34 min | WNW 16 G 18 | 51°F | 1008.7 hPa (+3.2) | 40°F | ||
| 44073 | 12 mi | 150 min | WNW 21 G 27 | 55°F | ||||
| 44030 - Buoy B0102 - Western Maine Shelf | 18 mi | 90 min | WNW 21 G 25 | 52°F | 55°F | 3 ft | 1007.4 hPa | |
| WELM1 - 8419317 - Wells, ME | 19 mi | 64 min | NW 9.9 G 16 | 50°F | 55°F | 1008.5 hPa | ||
| WEXM1 - Wells Reserve, ME | 21 mi | 94 min | WNW 7 | 51°F | 38°F | |||
| 44098 - Jeffrey's Ledge, NH (160) | 36 mi | 56 min | 55°F | 6 ft | ||||
| 44029 - Buoy A0102 - Mass. Bay/Stellwagen | 40 mi | 90 min | WNW 18 G 21 | 55°F | 56°F | 2 ft | 1007.6 hPa | |
| 44007 - PORTLAND 12 NM Southeast of Portland,ME | 45 mi | 44 min | WNW 21 G 25 | 52°F | 54°F | 3 ft | 1006.9 hPa (+2.9) | 39°F |
| CASM1 - 8418150 - Portland, ME | 48 mi | 64 min | 51°F | 55°F |
Wind History for Wells, ME
(wind in knots) EDIT (on/off) Help| 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 | 6 PM | 7 PM | |
| Last 24hr | NW G9 | W G9 | W G11 | W G12 | W G16 | W G12 | W G9 | W G8 | W G11 | NW G10 | W G11 | W G7 | W G8 | W G12 | NW G19 | NW G18 | NW G19 | NW G19 | NW G23 | NW G16 | NW G18 | NW G22 | NW G18 | NW |
| 1 day ago | SE G17 | SE G20 | E G21 | E G26 | E G30 | E G35 | E G38 | E G35 | E G34 | E | E G28 | SE | S G20 | SW G25 | SW G29 | SW G27 | SW G31 | SW G32 | SW G26 | SW G25 | W G20 | W G15 | W G11 | W G13 |
| 2 days ago | N | NE | N | N | N | N | N | NW | N | N | NW | N | N | N | E | E | S | S G14 | S G17 | SE G17 | SE G16 | SE G18 | SE G16 | SE G18 |
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 |
| Pease Air Force Base / Portsmouth, NH | 4 mi | 38 min | WNW 8 | 10.00 mi | A Few Clouds | 49°F | 35°F | 59% | 1009.1 hPa |
| Rochester - Skyhaven Airport, NH | 16 mi | 43 min | NW 7 G 15 | 10.00 mi | Fair | 49°F | 35°F | 59% | 1008.8 hPa |
| Sanford, Sanford Regional Airport, ME | 22 mi | 38 min | WNW 8 | 10.00 mi | Fair | 47°F | 37°F | 71% | 1009.3 hPa |
Link to 5 minute data for KPSM
Wind History from PSM (wind in knots)
| 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 | 6 PM | 7 PM | |
| Last 24hr | W G18 | W | W G19 | W G17 | W G20 | W | W G18 | W | W | W | W | W | W | W | NW G23 | NW | NW G27 | NW G25 | W G25 | W G22 | NW G22 | W G22 | NW G19 | NW |
| 1 day ago | E | E G19 | E | E G24 | E G34 | E G37 | E G35 | NE G44 | NE G44 | E G40 | SE | SE | S G28 | S G26 | SW G24 | SW G31 | SW G32 | SW G33 | SW G22 | SW G25 | SW G25 | W G24 | W G24 | W G20 |
| 2 days ago | S | SE | S | Calm | Calm | Calm | Calm | Calm | Calm | NW | Calm | Calm | Calm | SE | SE G18 | SE | SE G20 | SE G18 | SE | E | SE G18 | E |
Tide / Current Tables for Portsmouth, Portsmouth Harbor, New Hampshire
EDIT Weekend mode (on/off) (on/off) Help One Week of DataPortsmouth
Click for Map
Fri -- 02:44 AM EDT 7.58 feet High Tide
Fri -- 07:00 AM EDT Sunrise
Fri -- 08:35 AM EDT 0.90 feet Low Tide
Fri -- 11:35 AM EDT Moonset
Fri -- 02:51 PM EDT 8.31 feet High Tide
Fri -- 05:55 PM EDT Sunset
Fri -- 09:04 PM EDT Moonrise
Fri -- 09:09 PM EDT 0.25 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Fri -- 02:44 AM EDT 7.58 feet High Tide
Fri -- 07:00 AM EDT Sunrise
Fri -- 08:35 AM EDT 0.90 feet Low Tide
Fri -- 11:35 AM EDT Moonset
Fri -- 02:51 PM EDT 8.31 feet High Tide
Fri -- 05:55 PM EDT Sunset
Fri -- 09:04 PM EDT Moonrise
Fri -- 09:09 PM EDT 0.25 feet Low Tide
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 |
| 4.6 | 6.3 | 7.3 | 7.6 | 6.9 | 5.6 | 3.9 | 2.2 | 1.1 | 1 | 1.8 | 3.2 | 5 | 6.8 | 8 | 8.3 | 7.7 | 6.4 | 4.5 | 2.5 | 0.9 | 0.3 | 0.6 | 1.6 |
Tide / Current Tables for Portsmouth Harbor Entrance, New Hampshire Current
EDIT (on/off) Help One Week of DataPortsmouth Harbor Entrance
Click for Map
Fri -- 12:40 AM EDT 1.17 knots Max Flood
Fri -- 03:40 AM EDT -0.00 knots Slack
Fri -- 06:59 AM EDT Sunrise
Fri -- 07:05 AM EDT -1.71 knots Max Ebb
Fri -- 10:42 AM EDT 0.00 knots Slack
Fri -- 11:35 AM EDT Moonset
Fri -- 12:59 PM EDT 1.34 knots Max Flood
Fri -- 03:52 PM EDT -0.00 knots Slack
Fri -- 05:55 PM EDT Sunset
Fri -- 07:32 PM EDT -1.93 knots Max Ebb
Fri -- 09:03 PM EDT Moonrise
Fri -- 11:28 PM EDT 0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Fri -- 12:40 AM EDT 1.17 knots Max Flood
Fri -- 03:40 AM EDT -0.00 knots Slack
Fri -- 06:59 AM EDT Sunrise
Fri -- 07:05 AM EDT -1.71 knots Max Ebb
Fri -- 10:42 AM EDT 0.00 knots Slack
Fri -- 11:35 AM EDT Moonset
Fri -- 12:59 PM EDT 1.34 knots Max Flood
Fri -- 03:52 PM EDT -0.00 knots Slack
Fri -- 05:55 PM EDT Sunset
Fri -- 07:32 PM EDT -1.93 knots Max Ebb
Fri -- 09:03 PM EDT Moonrise
Fri -- 11:28 PM EDT 0.00 knots Slack
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 | 1.1 | 0.7 | 0.2 | -0.1 | -0.6 | -1.3 | -1.7 | -1.5 | -0.9 | -0.4 | 0.2 | 1 | 1.3 | 1 | 0.4 | -0 | -0.5 | -1.2 | -1.8 | -1.9 | -1.4 | -0.9 | -0.3 |
Weather Map
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GEOS Local Image of Northeast 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
Wind Forecast for Gray/Portland, ME (19,4,5,8)
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Ground Weather Radar Station Portland, ME
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Disclaimer: The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program. |