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Marine Weather and Tides
Version 3.4 |
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 5:51AM | Sunset 7:44PM | Sunday August 18, 2019 5:48 PM EDT (21:48 UTC) | Moonrise 9:32PM | Moonset 8:38AM | Illumination 89% |  |
ANZ154 Coastal Waters From Cape Elizabeth, Me To Merrimack River, Ma Out 25 Nm- 254 Pm Edt Sun Aug 18 2019
Tonight..S winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog early this afternoon. Areas of fog. A slight chance of showers with isolated tstms this evening. A chance of showers with a slight chance of tstms after midnight. Vsby 1 to 3 nm.
Mon..S winds 5 to 10 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 to 3 nm.
Mon night..SW winds 5 to 15 kt, becoming W after midnight. Seas 3 to 5 ft. A chance of showers in the evening. Areas of fog. Vsby 1 to 3 nm.
Tue..N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Areas of fog in the morning with vsby 1 to 3 nm.
Tue night..S winds around 5 kt. Seas around 2 ft. A chance of showers and tstms.
Wed..S winds 5 to 10 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. A chance of showers and tstms.
Wed night..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers and tstms.
Thu..SW winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers.
Thu night..NW winds around 10 kt. Seas 2 to 3 ft.
Fri..NW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft.
Fri night..NW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms.
Tonight..S winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog early this afternoon. Areas of fog. A slight chance of showers with isolated tstms this evening. A chance of showers with a slight chance of tstms after midnight. Vsby 1 to 3 nm.
Mon..S winds 5 to 10 kt. Seas 2 to 4 ft. Areas of fog. Vsby 1 to 3 nm.
Mon night..SW winds 5 to 15 kt, becoming W after midnight. Seas 3 to 5 ft. A chance of showers in the evening. Areas of fog. Vsby 1 to 3 nm.
Tue..N winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Areas of fog in the morning with vsby 1 to 3 nm.
Tue night..S winds around 5 kt. Seas around 2 ft. A chance of showers and tstms.
Wed..S winds 5 to 10 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. A chance of showers and tstms.
Wed night..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers and tstms.
Thu..SW winds around 10 kt with gusts up to 20 kt. Seas 3 to 5 ft. A chance of showers.
Thu night..NW winds around 10 kt. Seas 2 to 3 ft.
Fri..NW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft.
Fri night..NW winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms.
ANZ100 254 Pm Edt Sun Aug 18 2019
Synopsis for stonington me to merrimack river ma out to 25 nm.. Expect widespread fog over the waters again tonight and remaining through early tomorrow. Hot and humid weather will return on Monday and Monday night as a weak frontal boundary settles south through the region. Stalled frontal boundary over southern new england will be the focus for showers and Thunderstorms late Tuesday and Tuesday night as it lifts back to the north. A stronger cold front will approach from the west on Wednesday and will slowly cross the region Wednesday night and Thursday. High pressure will build in from the west for the end of the week. &&
Synopsis for stonington me to merrimack river ma out to 25 nm.. Expect widespread fog over the waters again tonight and remaining through early tomorrow. Hot and humid weather will return on Monday and Monday night as a weak frontal boundary settles south through the region. Stalled frontal boundary over southern new england will be the focus for showers and Thunderstorms late Tuesday and Tuesday night as it lifts back to the north. A stronger cold front will approach from the west on Wednesday and will slowly cross the region Wednesday night and Thursday. High pressure will build in from the west for the end of the week. &&
7 Day Forecast for Marine Location Near Pittsfield, NH
Hourly EDIT Helplocation: 43.24, -71.19 debug
Area Discussion for - Gray/Portland, ME
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kgyx 181858 afdgyx area forecast discussion national weather service gray me 258 pm edt Sun aug 18 2019 Synopsis Warm and humid weather is expected tonight right through Wednesday. A few bouts of showers and thunderstorms will be likely during this time as well, but no all day washouts are expected. The first round of thunderstorms may arrive late this evening or overnight tonight. A cold front is expected to move across the region Wednesday night or early Thursday and is expected to bring cooler and drier air into the region. Near term through tonight Skies have cleared for all but penobscot bay where the marine layer continues to hold on. Scattered cumulus is in place across the remainder of the cwa, but not much convective growth as morning soundings show a solid capped layer. Another short wave is currently moving into western new york. Ahead of it a line of convection is moving across the southern tier of new york. This convection will move into southern new hampshire after sunset. With the addition of a trigger, and cooling temps aloft ahead of the short wave we will see increasing instability, at least aloft, as we move into the overnight. While shear weakens, expect there to be some potential for storms to remain severe as they move into southern nh and have added gusty winds with thunderstorms for this area. Short term Monday through Monday night Monday will be hot and humid as southerly flow pushes the warm front north of our region. Dewpoints will climb into the low 70s across the south by mid morning. High temperatures will reach into the low 90s. The combination of heat and humidity will lead to the heat index near 95f, and a heat advisory may be needed for eastern hillsborough and interior rockingham county. The heat and humidity will also result in a lot of instability, however convection is less likely on Monday than today as dry mid levels and a bit of a cap suppresses convection. Nevertheless any convection which is able to develop has the potential to be severe. With the moist airmass temperatures will remain high overnight Monday into Tuesday with fog possible along the coast. Long term Tuesday through Saturday Tuesday should feature mainly fair and warm weather. However, there are outside chances of showers and thunderstorms across |
southernmost zones if a weak short wave trough in some of the guidance materializes. Showers and thunderstorms are a better bet on Wednesday as a stronger low pressure system approaches from the west. Severe thunderstorms will be possible. Cold front moves through by midday Thursday allowing for much cooler air to move in for Friday and the weekend. Aviation 18z Sunday through Friday Short term...VFR conditions have finally returned to the region through the evening. After sunset expect a return to the marine layer along the coast with ifr for rkd pwm and psm. Further inland the clearing afternoon skies will allow for good radiative cooling in the mountain valleys and expect hie and leb to also be impacted by ifr fog through morning. Across southern new hampshire, thunderstorms may impact all terminals around dusk keeping ceilings to MVFR. After the showers move through the residual moisture will help to keep ifr fog into con and mht overnight. Monday will be hot and humid. Expect fog to lift around 12z across the interior and 14z along the coast allowing vfr to return for the day. Long term... Occasional lower conditions Tuesday through Thursday in bouts of sct showers and thunderstorms. Some low clouds and stratus possible at night as the low levels moisten. Marine Short term... The fog bank over the gulf of maine will continue to impact the waters through the start of next week. Expect visibilities to drop overnight with widespread visibilities of less than a mile and areas less than one quarter mile possible. Marine layer will lift slightly by mid-morning allowing visibility to increase above 3nm for the daytime. Long term... SCA conditions possible Wednesday night and Thursday. Gyx watches warnings advisories Me... None. Nh... None. Marine... None. Near term... Curtis short term... Curtis long term... Ekster aviation... Curtis ekster marine... Curtis ekster |
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 | 23 mi | 64 min | ESE 4.1 | 77°F | 1016 hPa | 69°F | ||
| CMLN3 | 29 mi | 165 min | SE 6 | 61°F | ||||
| WELM1 - 8419317 - Wells, ME | 34 mi | 49 min | E 5.1 G 5.1 | 68°F | 66°F | 1016.1 hPa (-0.5) | ||
| IOSN3 - Isle of Shoals, NH | 35 mi | 49 min | SE 13 G 14 | 68°F | 1014.9 hPa (-0.6) | 67°F | ||
| WEXM1 - Wells Reserve, ME | 35 mi | 49 min | E 5.1 | 68°F | 67°F | |||
| 44073 | 38 mi | 105 min | SE 7.8 G 9.7 | 69°F | ||||
| 44030 - Buoy B0102 - Western Maine Shelf | 41 mi | 105 min | ESE 7.8 G 9.7 | 68°F | 68°F | 2 ft | 1015.8 hPa |
Wind History for Wells, ME
(wind in knots) EDIT (on/off) Help| 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 | SE G4 | SE | SE | E | SE | E | SE | S | -- | SW | W | SW | W | -- | NW | NW | SE | SE | E | E | SE | SE | SE | E |
| 1 day ago | S G10 | S G10 | S | SE | S | SE | SE | SE | S | S | S | S | S | S | S | S | S | S | SW | S | S G8 | S | E | SE |
| 2 days ago | S | S | S | SW | NE | SW | SW | SW | N | NE | NE | N | E | E | E | SE | E | E | SE | SE | SE | S G10 | S | 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 |
| Rochester - Skyhaven Airport, NH | 14 mi | 2 hrs | S 6 | 10.00 mi | Partly Cloudy | 85°F | 70°F | 61% | 1014.8 hPa |
| Concord Municipal Airport, NH | 17 mi | 2 hrs | WSW 3 | 10.00 mi | Partly Cloudy | 86°F | 66°F | 51% | 1015 hPa |
| Pease Air Force Base / Portsmouth, NH | 22 mi | 2.9 hrs | SE 6 | 10.00 mi | Mostly Cloudy | 80°F | 69°F | 70% | 1015.8 hPa |
| Manchester Airport, NH | 24 mi | 1.9 hrs | WSW 5 | 10.00 mi | A Few Clouds | 88°F | 66°F | 50% | 1015.3 hPa |
Link to 5 minute data for KDAW
Wind History from DAW (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 | E | E | SE | SE | SE | SE | S | Calm | Calm | Calm | Calm | Calm | Calm | W | NW | NW | Calm | Calm | S | Calm | S | SE | ||
| 1 day ago | SE | SE | SE | SE | Calm | Calm | SE | S | SE | Calm | Calm | SE | SE | SE | SE | S | S | SE | SE | S | SE | E | SE | |
| 2 days ago | SE | S | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | NE | E | Calm | SE | S | S | SE | S | SE |
Tide / Current Tables for Salmon Falls River entrance, Piscataqua River, New Hampshire
EDIT Weekend mode (on/off) (on/off) Help One Week of DataSalmon Falls River entrance
Click for Map
Sun -- 03:01 AM EDT 7.23 feet High Tide
Sun -- 05:51 AM EDT Sunrise
Sun -- 08:37 AM EDT Moonset
Sun -- 09:33 AM EDT 0.27 feet Low Tide
Sun -- 03:28 PM EDT 6.76 feet High Tide
Sun -- 07:41 PM EDT Sunset
Sun -- 09:30 PM EDT Moonrise
Sun -- 09:43 PM EDT 0.67 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 03:01 AM EDT 7.23 feet High Tide
Sun -- 05:51 AM EDT Sunrise
Sun -- 08:37 AM EDT Moonset
Sun -- 09:33 AM EDT 0.27 feet Low Tide
Sun -- 03:28 PM EDT 6.76 feet High Tide
Sun -- 07:41 PM EDT Sunset
Sun -- 09:30 PM EDT Moonrise
Sun -- 09:43 PM EDT 0.67 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 |
| 3.8 | 5.6 | 6.8 | 7.2 | 6.9 | 5.9 | 4.3 | 2.6 | 1.2 | 0.4 | 0.4 | 1.2 | 2.6 | 4.4 | 5.9 | 6.7 | 6.7 | 6 | 4.7 | 3.1 | 1.7 | 0.9 | 0.7 | 1.3 |
Tide / Current Tables for Squamscott River RR. Bridge, New Hampshire
EDIT (on/off) Help One Week of DataSquamscott River RR. Bridge
Click for Map
Sun -- 03:45 AM EDT 7.23 feet High Tide
Sun -- 05:52 AM EDT Sunrise
Sun -- 08:37 AM EDT Moonset
Sun -- 10:22 AM EDT 0.27 feet Low Tide
Sun -- 04:12 PM EDT 6.76 feet High Tide
Sun -- 07:41 PM EDT Sunset
Sun -- 09:30 PM EDT Moonrise
Sun -- 10:32 PM EDT 0.67 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 03:45 AM EDT 7.23 feet High Tide
Sun -- 05:52 AM EDT Sunrise
Sun -- 08:37 AM EDT Moonset
Sun -- 10:22 AM EDT 0.27 feet Low Tide
Sun -- 04:12 PM EDT 6.76 feet High Tide
Sun -- 07:41 PM EDT Sunset
Sun -- 09:30 PM EDT Moonrise
Sun -- 10:32 PM EDT 0.67 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 |
| 2.4 | 4.2 | 5.9 | 7 | 7.2 | 6.7 | 5.5 | 3.9 | 2.2 | 0.9 | 0.3 | 0.4 | 1.4 | 3 | 4.8 | 6.2 | 6.7 | 6.6 | 5.7 | 4.4 | 2.8 | 1.5 | 0.8 | 0.8 |
Weather Map and Satellite Images
(on/off) HelpWeather Map
GOES Local Image of 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 (17,4,5,8)
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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. |