Wednesday, January22, 2020
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Marine Weather and Tides
Enfield, NH

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 7:09AMSunset 4:44PM Wednesday January 22, 2020 2:46 AM EST (07:46 UTC) Moonrise 6:32AMMoonset 3:39PM Illumination 9% Phase: Waning Crescent; Moon at 27 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near Enfield, NH
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location: 43.63, -72.14     debug


Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 220505 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1205 AM EST Wed Jan 22 2020

SYNOPSIS. The region will continue to be dominated by high pressure through Thursday providing for fair weather and a warming trend. A cold front will drop down from the north Thursday night and Friday with little in the way of adverse weather other than cooler temperatures. A coastal storm may bring accumulating snow to much of the region over the weekend into early next week.

NEAR TERM /UNTIL 6 AM THIS MORNING/. 1203 AM Update . Only minor modifications to the current temperatures and cloud cover for the overnight hours.

More clouds are filtering in from the NW tonight, potentially putting a cap on temperatures in portions of the area. Readings have dropped quite a bit and range from zero in Sanford to 18 in Portland where there has recently been more cloud cover. Only made minor changes to the forecast tonight based on latest trends.

6 PM Update . Dry and calm weather tonight with just a few mid clouds moving in. Possibly a few flakes over Somerset and Franklin Counties tonight as a shortwave trough passes by overhead. Temperatures are in the teens for the most part and will drop into the single digits overnight.

Previous discussion . High pressure will remain overhead tonight allowing for a fair weather night for most locations. However, it won't be as cold as last night as a short wave trough will move overhead with a radiation-inhibiting mid cloud deck for several hours. Across the far north, such as Coos County NH and the western ME mountains, a few snow showers are not out of the question.

SHORT TERM /6 AM THIS MORNING THROUGH 6 PM THURSDAY/. Warm air advection will get underway early on Wednesday allowing for a warmer day with fair weather once again. Highs should make it into the 30s at most locations.

Clear weather Wednesday night as deep layer ridging holds over New England. It will be quite chilly though as ideal conditions for radiational cooling will be present.

LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/. Broad ridging will persist across the northeast US into the early weekend. The ridge that currently encompasses the eastern two thirds of the US will be moving off the Eastern Seaboard by Thursday, bringing a continued moderating trend through the end of the week to New England. A fresh ridge of high pressure building eastward across southern Canada and New England on Thursday and Friday will bring continued fair weather into the early portion of the weekend. Despite being a ridge of high pressure centered in Canada in January, the airmass associated with this ridge has origins from over the Pacific Ocean. Due to this, mild temperatures for this time of the year will persist from the end of the week and into the weekend. The position of this ridge and the airmass associated with it have implications for New England with a system that is moving into the Northwest US today.

This system is expected to move through the Intermountain West over the next couple of days, and combine with another piece of energy in the southern branch of the jet stream currently moving through the southwest US. This will lead to the development of low pressure that will deepen across the central Plains and Midwest late this week. This system will gradually move eastward as an occluded low on Friday and is expected to move south of New England, or through southern New England, Saturday Night and Sunday. It isn't until Monday that the low is expected to finally pull away from New England and move east to the south of Nova Scotia.

This set up leads to a difficult forecast for Saturday Night through early Monday. Models tend to struggle with cut off low scenarios, and there are some significant differences between the major global models, but overall the ECMWF, GFS, and Canadian are in fairly good agreement with each other on the track and slow progression of the system for this far out. They all bring the low eastward south of or through southern New England. The GFS brings the most moisture into our CWA, especially across southern zones. The ECMWF is more modest with the precipitation shield, and the Canadian is roughly in the middle with more moisture making it into the northern zones. With high pressure to the north keeping the system to our south, there will be a steep drop off in precipitation on the northern edge of the system, and right now it appears likely that the edge will be somewhere in the northern or central portion of our CWA.

The other factor with this system is the fact that even a cool scenario with the track to our south still only translates to marginally cold enough temperatures to produce snow with the mild airmass that will be in place. Any jog further north with the system would increase the chances of more areas seeing a mix with rain. Conversely, any jog farther south would decrease the amount of precipitation, but give a better chance of all snow.

One final factor with the system worth noting is that the midday high tides on Sunday and Monday are near 10ft in Portland. With the slow progression of the system and an easterly wind direction over the waters, there is the threat of some minor coastal flooding at the time of these high tides that bears watching.

High pressure will build in behind the system early next week.

AVIATION /05Z WEDNESDAY THROUGH SUNDAY/. Short Term . VFR conditions are expected tonight through Wednesday night with light winds.

Long Term . High pressure ridging will persist across the region into the early part of the weekend. A storm system is likely to bring snow and some rain, reducing visibilities and ceilings at times late Saturday through Monday.

MARINE. Short Term . Light winds and tranquil seas are expected though Wednesday night.

Long Term . High pressure will persist across the waters into the early weekend. An area of low pressure will slowly cross the waters Saturday Night through Monday, bringing increasing easterly winds and mixed precipitation. The system will likely exit the Gulf of Maine on Monday, with freshening northerly winds on the backside.

HYDROLOGY. A number of ice jams are now in place on area rivers including the Kennebec between Augusta and Hallowell, Sugar river in Claremont NH and Swift River at Roxbury, ME. However, they are unlikely to move in the near term with temperatures so cold.

GYX WATCHES/WARNINGS/ADVISORIES. ME . None. NH . None. MARINE . None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BGXN3 - Great Bay Reserve, NH 80 mi62 min SW 1.9 10°F 1029 hPa1°F
WELM1 - 8419317 - Wells, ME 86 mi47 min W 2.9 G 5.1 16°F 38°F1029.2 hPa (-0.3)
WEXM1 - Wells Reserve, ME 87 mi47 min W 1 15°F 2°F

Wind History for Wells, ME
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lebanon Municipal Airport, NH8 mi54 minN 010.00 miOvercast11°F3°F73%1030.1 hPa
Plymouth Municipal Airport, NH23 mi52 minN 010.00 miOvercast11°F4°F73%1027.8 hPa

Link to 5 minute data for KLEB

Wind History from LEB (wind in knots)
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Last 24hrCalmS4CalmS4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoN12
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2 days agoS3S3CalmN4CalmS3CalmSW3CalmSW5W12NW11
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Tide / Current Tables for Squamscott River RR. Bridge, New Hampshire
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Squamscott River RR. Bridge
Click for Map
Wed -- 05:25 AM EST     0.40 feet Low Tide
Wed -- 05:25 AM EST     Moonrise
Wed -- 07:08 AM EST     Sunrise
Wed -- 11:21 AM EST     7.63 feet High Tide
Wed -- 02:36 PM EST     Moonset
Wed -- 04:42 PM EST     Sunset
Wed -- 06:11 PM EST     -0.41 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.35.33.92.31.10.50.61.63.45.36.87.67.56.653.11.40.2-0.4-0.11.33.14.96.1

Tide / Current Tables for Salmon Falls River entrance, Piscataqua River, New Hampshire
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Salmon Falls River entrance
Click for Map
Wed -- 04:36 AM EST     0.40 feet Low Tide
Wed -- 05:25 AM EST     Moonrise
Wed -- 07:08 AM EST     Sunrise
Wed -- 10:37 AM EST     7.63 feet High Tide
Wed -- 02:35 PM EST     Moonset
Wed -- 04:41 PM EST     Sunset
Wed -- 05:22 PM EST     -0.41 feet Low Tide
Wed -- 11:19 PM EST     6.63 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.64.22.61.30.50.51.334.96.57.47.66.95.43.51.70.4-0.3-0.20.92.74.55.96.6

Weather Map
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wmap_A
GEOS 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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Gray/Portland, ME (2,6,7,8)
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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 numerous 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.