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Marine Weather and Tides
Version 3.4 |
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 5:24AM | Sunset 8:15PM | Tuesday July 23, 2019 9:11 AM EDT (13:11 UTC) | Moonrise 11:51PM | Moonset 11:45AM | Illumination 61% |  |
ANZ154 Coastal Waters From Cape Elizabeth, Me To Merrimack River, Ma Out 25 Nm- 615 Am Edt Tue Jul 23 2019
Today..NE winds 10 to 15 kt, becoming 5 to 15 kt this afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog this morning. Rain this morning, then showers likely this afternoon.
Tonight..NW winds 5 to 10 kt, becoming sw after midnight. Seas 2 to 3 ft.
Wed..NW winds around 5 kt, becoming E around 5 kt in the afternoon. Seas around 2 ft.
Wed night..SW winds 5 to 10 kt, becoming nw after midnight. Seas around 2 ft.
Thu..N winds around 5 kt, becoming se in the afternoon. Seas around 2 ft.
Thu night..S winds 5 to 10 kt, becoming sw after midnight. Seas around 2 ft.
Fri..SW winds up to 10 kt. Seas around 2 ft.
Fri night..S winds 5 to 10 kt. Seas around 2 ft.
Sat..S winds 5 to 10 kt. Seas 2 to 3 ft.
Sat night..S winds 5 to 10 kt. Seas 2 to 4 ft.
Today..NE winds 10 to 15 kt, becoming 5 to 15 kt this afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog this morning. Rain this morning, then showers likely this afternoon.
Tonight..NW winds 5 to 10 kt, becoming sw after midnight. Seas 2 to 3 ft.
Wed..NW winds around 5 kt, becoming E around 5 kt in the afternoon. Seas around 2 ft.
Wed night..SW winds 5 to 10 kt, becoming nw after midnight. Seas around 2 ft.
Thu..N winds around 5 kt, becoming se in the afternoon. Seas around 2 ft.
Thu night..S winds 5 to 10 kt, becoming sw after midnight. Seas around 2 ft.
Fri..SW winds up to 10 kt. Seas around 2 ft.
Fri night..S winds 5 to 10 kt. Seas around 2 ft.
Sat..S winds 5 to 10 kt. Seas 2 to 3 ft.
Sat night..S winds 5 to 10 kt. Seas 2 to 4 ft.
ANZ100 615 Am Edt Tue Jul 23 2019
Synopsis for stonington me to merrimack river ma out to 25 nm.. A front stalled near the waters will bring rain to the area tonight into early Tuesday along with fog. High pressure then builds in through the end of the week. &&
Synopsis for stonington me to merrimack river ma out to 25 nm.. A front stalled near the waters will bring rain to the area tonight into early Tuesday along with fog. High pressure then builds in through the end of the week. &&
7 Day Forecast for Marine Location Near Hampton Beach, NH
Hourly EDIT Helplocation: 42.89, -70.77 debug
Area Discussion for - Gray/Portland, ME
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kgyx 231020 afdgyx area forecast discussion national weather service gray me 620 am edt Tue jul 23 2019 Synopsis Low pressure will track east along a stalled frontal boundary today and will shift into the maritimes by this evening. Another area of low pressure will track east along the boundary south of new england Tuesday night. High pressure will build in from the west on Wednesday and Wednesday night. A weak frontal boundary will wash out as it sags into northern zones on Thursday. High pressure will build south of new england Thursday night through Saturday and will hold off the coast on Sunday. Near term through tonight 615 am... Nice deformation band occuring over from the me mtns sw into the ct vly this morning as sfc low revs up and mid-lvl low closes off to our sw. Have extended higher pops to the N and w thru the morning to cover this band which should shift E thru mid morning, and then dissipate as the the system becomes more steady-state while it passes S and E this afternoon. Rest of the forecast looks to be in good shape. Previously... Rain associated with second wave ow pressure to track along stalled front to our south is moving into SRN nh attm, and this rain will move trough the SRN half of nh and the coastal plain of me through the morning. The further N and west you go, the more showery and spotty the precip will be this morning. Also, despite high pwats, the best instability and forcing will remain over SRN new england, and will keep the heavier rainfall out of the cwa. Overall, should see an addition 1 4 to 1 2 inch in SRN areas this morning, which should not pose any problems, with lower amts to the N and w. The rain or showers will shift east this afternoon, and should end by late afternoon everywhere. Some clearing is possible in the the nh mtns and the ct vly late, but the rest of the CWA will likely stay cloudy to mostly thru the day. Highs will be cool generally in the upper 60s near the coast to the low to mid 70s in the n and W zones. Short term Wednesday Models continue to show a third low tracking along that front tonight, but it looks to stay far enough to our S and E to keep the CWA dry. Most places should clear out during the evening, but that wave may keep coastal areas mostly cloudy thru the night. Lows will range from the low-mid 50s in the N to around 60 along the coast and in SRN nh. That sfc low and the front should finally accelerate to our E on wed, and any morning clouds in the S should clear out quickly. Flow will be weak, but should see enuf NW flow early for some downsloping and temps range from the mid 70s in the N and at the beaches to the low 80s on the coastal plain and in SRN nh. Long term Wednesday night through Monday Fairly quiet week on tap as upper ridge gradually builds in from the west for the end of the week and the weekend... high pressure will build over the region Wednesday night as a weak frontal boundary approaches from the northwest. Looking for mostly clear skies overnight. Lows will generally range through the 50s. |
Frontal boundary will wash out as it drops into northwest zones on Thursday. Little if any forcing will be left by afternoon but some marginal instability may be enough to pop off a few showers in northwest zones during the afternoon. Otherwise... The remainder of the forecast area will see variable clouds. Highs will range from the mid 70s north to the mid 80s south.Fcst high pressure will build south of the region Thursday night setting up a warm southwesterly flow for Friday and into the weekend. Looking for mostly clear skies Thursday night and Friday. Lows will range from the mid 50s to lower 60s. Highs will top out in the lower to mid 80s. A little more in the way of heat and humidity will return Friday night and Saturday as high pressure builds off the coast south of the region. Looking for partly cloudy skies overnight with lows in the upper 50s to mid 60s. Fair weather will continue on Saturday with mostly sunny skies and highs ranging through the 80s. Expect similar conditions Saturday night and Sunday as high pressure holds southeast of the region. Fair weather will continue on Monday with temperatures similar to the weekend. Aviation 10z Tuesday through Saturday Short term... Expect ifr-lifr to persist thru the morning at kmht kcon kpwm krkd, with MVFR-vfr at kaug kleb khie. All terminals will transition toVFR this afternoon , which will persist through wed, long term...VFR Wednesday night through Saturday. Marine Short term... Some NE gusts approach 25 kts S of portland early this morning, but wind diminish later this morning, and stay blow SCA lvls through wed. Long term... no problems noted. Equipment The sugarloaf nwr transmitter is off the air until further notice. This will be an extended outage as the tower, which was severely damaged in a winter storm, is rebuilt. Gyx watches warnings advisories Me... None. Nh... None. Marine... None. Synopsis... near term... Cempa short term... Cempa long term... Sinsabaugh aviation... marine... equipment... |
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 |
| IOSN3 - Isle of Shoals, NH | 9 mi | 71 min | NNE 16 G 17 | 60°F | 1010.3 hPa (+2.4) | 60°F | ||
| BGXN3 - Great Bay Reserve, NH | 12 mi | 86 min | ENE 4.1 | 61°F | 1011 hPa | 60°F | ||
| 44030 - Buoy B0102 - Western Maine Shelf | 27 mi | 67 min | NNE 18 G 21 | 60°F | 67°F | 3 ft | 1010.8 hPa | |
| 44029 - Buoy A0102 - Mass. Bay/Stellwagen | 28 mi | 67 min | NNE 16 G 19 | 64°F | 66°F | 4 ft | 1009.4 hPa | |
| WELM1 - 8419317 - Wells, ME | 32 mi | 53 min | NE 5.1 G 8 | 60°F | 64°F | 1011.5 hPa | ||
| 44098 - Jeffrey's Ledge, NH (160) | 33 mi | 33 min | 67°F | 4 ft | ||||
| WEXM1 - Wells Reserve, ME | 33 mi | 71 min | NNE 6 | 59°F | 58°F | |||
| 44013 - BOSTON 16 NM East of Boston, MA | 38 mi | 81 min | NNE 19 G 21 | 65°F | 68°F | 4 ft | 1007.6 hPa (-0.0) | 65°F |
| BHBM3 - 8443970 - Boston, MA | 40 mi | 59 min | 64°F | 1009.1 hPa |
Wind History for Wells, ME
(wind in knots) EDIT (on/off) Help| 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 | 7 AM | 8 AM | |
| Last 24hr | NE G7 | E | SE G10 | NE | E | N | N G12 | N | -- | SE | N G6 | NE | NE | NE | NE G9 | NE | NE | N G10 | N | N | N | N | NE G7 | NE G11 |
| 1 day ago | W G10 | W G15 | NW G19 | W G16 | NW G17 | NW G18 | NW G17 | NW G17 | N G11 | N G9 | NW | W | NW G8 | NW | NW G8 | NW G10 | NW | NE | NW | NE | N | N G11 | N | |
| 2 days ago | NW | N | N G8 | S G11 | S G11 | S G18 | S | S | S | NW | E | E | W G7 | NW | W | W | W G9 | NW G8 | W G15 | W G13 |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Pease Air Force Base / Portsmouth, NH | 14 mi | 15 min | NNE 6 | 4.00 mi | Light Rain Fog/Mist | 60°F | 58°F | 94% | 1010.7 hPa |
| Lawrence Municipal Airport, MA | 22 mi | 17 min | NE 11 | 9.00 mi | Light Rain | 62°F | 60°F | 93% | 1010.4 hPa |
| Beverly, Beverly Municipal Airport, MA | 23 mi | 18 min | NNE 13 G 21 | 6.00 mi | Light Rain Fog/Mist | 63°F | 60°F | 90% | 1008.7 hPa |
Wind History from PSM (wind in knots)
| 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 | 7 AM | 8 AM | |
| Last 24hr | NE | E | NE | E | NE | N | E | NE | N | NE | N | NE | NE | NE | NE | N | N | N | NE | N | N | N | N | NE |
| 1 day ago | W | SW | SW | W G17 | W G14 | W G19 | W | W | NW | W | NW | NW | W | Calm | Calm | W | W | W | W | Calm | NW | N | ||
| 2 days ago | SW | W | W | W | W | SW | SW | SW | SW | SE | SE | S | S | SW | SW | Calm | SW | SW | SW | SW | W | SW | SW | W |
Tide / Current Tables for Hampton Harbor, New Hampshire
EDIT Weekend mode (on/off) (on/off) Help One Week of DataHampton Harbor
Click for Map
Tue -- 04:08 AM EDT 8.10 feet High Tide
Tue -- 05:25 AM EDT Sunrise
Tue -- 10:39 AM EDT 0.85 feet Low Tide
Tue -- 11:44 AM EDT Moonset
Tue -- 04:39 PM EDT 7.96 feet High Tide
Tue -- 08:13 PM EDT Sunset
Tue -- 11:02 PM EDT 1.33 feet Low Tide
Tue -- 11:50 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 04:08 AM EDT 8.10 feet High Tide
Tue -- 05:25 AM EDT Sunrise
Tue -- 10:39 AM EDT 0.85 feet Low Tide
Tue -- 11:44 AM EDT Moonset
Tue -- 04:39 PM EDT 7.96 feet High Tide
Tue -- 08:13 PM EDT Sunset
Tue -- 11:02 PM EDT 1.33 feet Low Tide
Tue -- 11:50 PM EDT 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 |
| 2.5 | 4.2 | 6 | 7.5 | 8.1 | 7.8 | 6.9 | 5.4 | 3.6 | 2 | 1 | 0.9 | 1.6 | 3.1 | 5 | 6.7 | 7.8 | 7.9 | 7.3 | 6.1 | 4.5 | 2.9 | 1.7 | 1.3 |
Tide / Current Tables for Newburyport (Merrimack River), Massachusetts Current
EDIT (on/off) Help One Week of DataNewburyport (Merrimack River)
Click for Map
Tue -- 03:13 AM EDT 1.31 knots Max Flood
Tue -- 05:18 AM EDT -0.00 knots Slack
Tue -- 05:25 AM EDT Sunrise
Tue -- 07:43 AM EDT -1.22 knots Max Ebb
Tue -- 11:37 AM EDT 0.00 knots Slack
Tue -- 11:45 AM EDT Moonset
Tue -- 03:36 PM EDT 1.37 knots Max Flood
Tue -- 05:45 PM EDT -0.00 knots Slack
Tue -- 08:10 PM EDT -1.22 knots Max Ebb
Tue -- 08:13 PM EDT Sunset
Tue -- 11:50 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 03:13 AM EDT 1.31 knots Max Flood
Tue -- 05:18 AM EDT -0.00 knots Slack
Tue -- 05:25 AM EDT Sunrise
Tue -- 07:43 AM EDT -1.22 knots Max Ebb
Tue -- 11:37 AM EDT 0.00 knots Slack
Tue -- 11:45 AM EDT Moonset
Tue -- 03:36 PM EDT 1.37 knots Max Flood
Tue -- 05:45 PM EDT -0.00 knots Slack
Tue -- 08:10 PM EDT -1.22 knots Max Ebb
Tue -- 08:13 PM EDT Sunset
Tue -- 11:50 PM EDT 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 |
| 0.5 | 1 | 1.1 | 1.3 | 1.1 | 0.3 | -0.6 | -1.1 | -1.2 | -1 | -0.7 | -0.4 | 0.3 | 1 | 1.2 | 1.3 | 1.3 | 0.7 | -0.2 | -0.9 | -1.2 | -1.1 | -0.8 | -0.6 |
Weather Map and Satellite Images
(on/off) HelpWeather Map
GOES 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 (9,2,3,4)
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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. |