Marine Weather and Tides
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.
|Sunrise 6:15AM||Sunset 8:26PM||Sunday July 25, 2021 12:56 PM EDT (16:56 UTC)||Moonrise 9:01PM||Moonset 6:41AM||Illumination 98%|
7 Day Forecast for Marine Location Near Wake Forest, NCHourly EDIT Help
Area Discussion for - Raleigh, NC  (on/off)  Help NOTE: mouseover dotted underlined text for definition
FXUS62 KRAH 251340 AFDRAH
AREA FORECAST DISCUSSION National Weather Service Raleigh NC 940 AM EDT Sun Jul 25 2021
SYNOPSIS. High pressure centered just off the Mid Atlantic coast will shift further offshore today. A surface trough will develop across western Virginia and North Carolina today. A cold front will approach the region from the northwest on Monday and then stall across the southern Carolinas on Tuesday.
NEAR TERM /THROUGH TONIGHT/. As of 940 AM Sunday .
Weak surface high pressure lingering across the Carolinas this morning will continue to transition eastward, moving further offshore throughout the day. As it does, a lee-side surface trough will become better defined over western portions of the state. Weak sfc moisture convergence along this boundary, coupled with differential heating in the higher terrain, will once again keep rain chances confined to the NW Piedmont counties. Models indicate a net increase in low-level thicknesses of 7 to 10 m than previous days, which should result in afternoon highs 2 to 3 degrees warmer than Saturday. Highs in the upper 80s to lower 90s.
While the bulk of convection should dissipate after sunset, could see some additional showers moving into and across northern Piemdont and coastal plain counties overnight as weak shortwave impulses embedded in the W-NW flow aloft and within the enhanced mid-level moisture moves through the region. Under partly(south) to mostly(north) cloudy skies, lows in the upper 60s to lower 70s.
SHORT TERM /MONDAY THROUGH MONDAY NIGHT/. As of 340 AM Sunday .
The broad cyclonic flow across the eastern U.S. sharpens a bit on Monday and a shortwave trough quickly moves east across the OH River Valley into NC on Monday afternoon and then slowly drifts south on Monday night. An associated cold front will push south into the region late Monday. The air mass across central NC will become unstable quickly Monday morning as heights drop a bit and the mid levels cool slightly with moderate instability arriving by Monday afternoon. With a couple of forcing mechanisms in place, moderate instability and PW values approaching 2 inches, expect scattered to numerous thunderstorms to develop across southern VA and western NC around midday and then expand into a line/cluster as they push southeast during the afternoon and into southern NC by early evening. The SPC has central NC outlooked in general thunder, likely given the limited shear, with pretty weak flow, less than 15kts noted below 600 mb. Still, given the potential for some organization into a linear structure, a limited threat of severe weather exists with damaging wind gusts serving as the main risk. In addition, heavy rain is expected with some of the storms and localized flooding in low lying and poor drainage areas is possible. Highs will range in the upper 80s to lower 90s with lows in the lower 70s. -Blaes
LONG TERM /TUESDAY THROUGH SATURDAY/. As of 345 AM Sunday .
Tuesday through Wednesday night: The aforementioned front on Monday/Monday night will weaken/stall/dissipate across SC/southern portions of NC. This combined with a slow moving s/w disturbance moving across the area Tuesday into Wednesday will allow for a lingering threat of showers and storms, with even a threat of some localized flooding across southern portions of central NC on Tuesday.
High temps during this time frame are expected to range from the upper 80s to lower 90s, with lows in the upper 60s to lower 70s.
Thursday through Saturday: The s/w trough will move to the east of the area by Thursday resulting in a return to generally dry weather for Thursday and Thursday night. However, the dry weather will be short lived as yet another disturbance will approach the area from the north and west on Friday. This will result in increasing chances for showers and storms for Friday, possibly lingering into Saturday.
Subsidence behind the exiting s/w trough and resultant deep mixed layer with southwest to westerly flow in the mix layer will yield some of the hottest temps of the year so far, with highs possibly reaching into the mid to upper 90s. High temps on Friday are likely to back off some with the arrival of the next chance for precip. However, timing of the next system will be key with regard to highs. For now will go with highs ranging from the upper 80s/near 90 north to the mid to upper 90s south. High temps will cool further on Saturday with generally upper 80s to lower 90s. Low temps during this time frame are expected to range from the upper 60s to the mid 70s.
AVIATION /12Z SUNDAY THROUGH THURSDAY/. As of 650 AM Sunday .
With just a couple of exceptions, VFR conditions are generally expected across central NC during the 24 hour TAF period. Surface high pressure extending into NC from the east will shift east today with a south to southwesterly low level flow developing today and continuing tonight.
A few lingering showers will move across the Southern Piedmont through 13Z with mainly VFR CIGs. Moisture in a couple of layers will produce a couple layers of SCT-BKN clouds this morning, mainly VFR but with a few areas of MVFR clouds around 1.5kft in the western Piedmont.
Widely scattered showers or storms are likely to develop across western NC and VA which could drift into the western Piedmont, possibly affecting the Triad. Coverage and confidence is too low to include in the TAF at this point. Otherwise, VFR conditions are expected with SCT to occasionally BKN low clouds near 4kft and some mid/upper clouds at 15 to 25kft. Light, mainly southerly winds at 6kts or less early this morning will become south to southwesterly at 6 to 10kts this afternoon.
Looking beyond 12Z Monday, periods of sub-VFR fog or stratus is expected during the late night and daybreak hours along with a chance scattered afternoon and evening showers and storms. Storm coverage will be greatest on Monday with numerous storms possible. -Blaes
RAH WATCHES/WARNINGS/ADVISORIES. None.
SYNOPSIS . Blaes NEAR TERM . CBL SHORT TERM . Blaes LONG TERM . BSD AVIATION . Blaes
Weather Reporting StationsEDIT (on/off)  Help NOTE: Click on distance to see the station location on a map
Airport ReportsEDIT (on/off)  Help Click EDIT to display multiple airports. Follow links for more data.
|Franklin County Airport, NC||11 mi||61 min||SSW 8||10.00 mi||Partly Cloudy||82°F||70°F||66%||1018.3 hPa|
|Raleigh / Durham, Raleigh-Durham International Airport, NC||15 mi||65 min||SW 9||10.00 mi||Mostly Cloudy||84°F||71°F||65%||1016.8 hPa|
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Wind History from LHZ (wind in knots)
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