Saturday, January23, 2021
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Marine Weather and Tides
Raleigh, NC

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:18AMSunset 5:34PM Saturday January 23, 2021 3:20 AM EST (08:20 UTC) Moonrise 1:16PMMoonset 2:51AM Illumination 75% Phase: Waxing Gibbous; Moon at 10 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 Raleigh, NC
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location: 35.79, -78.64     debug


Area Discussion for - Raleigh, NC
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FXUS62 KRAH 230520 AFDRAH

AREA FORECAST DISCUSSION National Weather Service Raleigh NC 1215 AM EST Sat Jan 23 2021

SYNOPSIS. Canadian high pressure will build across the middle Atlantic through tonight, then weaken on Sunday.

NEAR TERM /THROUGH TONIGHT/. As of 935 PM Friday .

The forecast area is clear of clouds as a dry cold front makes its way across the region. With winds having already gone calm in most locations, there is little in the way of a wind shift to note the location of the frontal, but dewpoints are a bit lower primarily north of the I-85 corridor. With the clear skies and calm winds, it will be an excellent radiational cooling night, with there already being a 14 degree temperature difference between Burlington and Siler City. Took overnight lows down a few extra degrees where the cold spots have already developed, resulting in a range of lows from the mid 20s to the lower 30s.

SHORT TERM /SATURDAY AND SATURDAY NIGHT/. As of 410 PM Friday .

Dry and cool weather will prevail on Saturday as weak shortwave ridging builds in aloft and Canadian surface high pressure continues to build into the area. 1000-850 mb thicknesses of about 1300m (~30m lower than Friday) will support high temperatures in the lower-40s far north to upper-40s south, or about 5-10 degrees below normal. The surface pressure gradient may be strong enough to allow for gusty north winds as high as 15-20 mph in the late morning and early afternoon, especially in the south. As the center of the high moves over central NC on Sunday morning, nearly calm winds and mainly clear skies will allow for ideal radiational cooling conditions, with lows in the lower-to-mid-20s. A few high clouds in advance of the next system may start to move in from the west, so the best chance for the coldest temperatures (and maybe even isolated upper teens) is over the NE Piedmont.

LONG TERM /SUNDAY THROUGH FRIDAY/. As of 230 PM Friday .

Arctic high pressure over the Mid-Atlantic states Sunday will weaken and shift offshore by Monday, as shortwave ridging aloft shifts overhead. Meanwhile, moisture will rapid stream east ahead of a deamplifying shortwave moving out of the SW US. Initial warm advection precip on Monday should result in weak hybrid CAD, though the GFS and ECWMF are both quickly to mix the warm sector sector north by Tuesday, with a lull in precip Monday night and then cold frontal showers on Tuesday. While the CAD and upper 40s across the northern portions of the Piedmont on Monday won't be sustained by high pressure, models may still be too aggressive in eroding the CAD and pushing Tuesday's highs well into the 60s. Prefer cooler guidance across the north both Monday and Tuesday, resulting in. upper 40s to mid 50s Monday and upper 50s to near 70 Tuesday. QPF for the event is lower than in previous forecasts, with a northward trend in the warm advection rain on Monday, but still has an inch across the north to half an inch in the south.

The next system will also emanate from the SW US and lift atop the sub-tropical ridge on Wednesday, but with more downstream blocking, the shortwave maintains more amplitude and moves further east, inducing stronger cyclogenesis off the carolina coast by Thursday. 1040mb high pressure over eastern Canada is also in better position to phase cold air with moisture associated with the shortwave. The GFS is much more amplified with the shortwave and surface low, and correspondingly produces a lot of precip than the weaker and more suppressed ECWMF. Thermal profiles would support wintry precip across the northern half of the CWA on Thursday, but confidence in details remains very low given the shortwave and jet energy are still well out over the Pacific NW and thus the storm track is uncertain.

AVIATION /06Z SATURDAY THROUGH WEDNESDAY/. As of 1215 AM Saturday .

VFR conditions are expected for the next 24 hours. Clear skies are expected through the entire period. A dry cold front will bring a shift in winds from southwest to northwest overnight, with some gusty winds possible late this morning into this afternoon. Included a line with higher winds for terminals where the wind shift will be more pronounced, but left TAFs as a single line in the Triad where wind directions will change little through the period.

Looking beyond 06Z Sunday: VFR conditions are expected into Sunday. By Sunday night, the next storm system will bring a high chance of rain and sub-VFR conditions, which will last into Monday night. Low- level wind shear will also be possible from this event, with the best chance on Monday night. Rain will end and VFR will return from Tuesday afternoon into Wednesday, before yet another low pressure system brings sub-VFR conditions beginning Wednesday night.

RAH WATCHES/WARNINGS/ADVISORIES. None.

SYNOPSIS . Danco/MWS NEAR TERM . Green SHORT TERM . Danco LONG TERM . BS AVIATION . Green/Danco


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Raleigh / Durham, Raleigh-Durham International Airport, NC10 mi30 minN 010.00 miFair38°F23°F55%1017.7 hPa
Smithfield, Johnston County Airport, NC22 mi26 minN 010.00 miFair30°F28°F93%1017.6 hPa
Franklin County Airport, NC23 mi26 minN 010.00 miFair32°F23°F69%1018.3 hPa

Link to 5 minute data for KRDU

Wind History from RDU (wind in knots)
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1 day agoCalmCalmNW3CalmS4S63W3NW4SW4SW10W6W7SW6SW5SW5SW6CalmCalmCalmCalmCalmSW4Calm
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NW7CalmCalmCalmCalmCalmCalmCalmCalmCalmSE4

Tide / Current Tables for Bannermans Branch, Northeast River, North Carolina
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Bannermans Branch
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Sat -- 02:45 AM EST     Moonset
Sat -- 05:30 AM EST     -0.01 feet Low Tide
Sat -- 07:14 AM EST     Sunrise
Sat -- 11:29 AM EST     1.24 feet High Tide
Sat -- 01:14 PM EST     Moonrise
Sat -- 05:31 PM EST     Sunset
Sat -- 06:23 PM EST     0.08 feet Low Tide
Sat -- 11:56 PM EST     1.15 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.10.80.50.30.1000.20.60.91.11.21.21.10.80.60.40.20.10.10.40.70.91.1

Tide / Current Tables for
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Weather Map
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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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station




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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.