Saturday, October23, 2021
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Marine Weather and Tides
Hemby Bridge, NC

Version 3.4
NOTICE
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 7:34AMSunset 6:39PM Saturday October 23, 2021 3:40 PM EDT (19:40 UTC) Moonrise 7:31PMMoonset 9:20AM Illumination 92% Phase: Waning Gibbous; Moon at 18 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 Hemby Bridge, NC
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location: 35.11, -80.62     debug


Area Discussion for - Greenville-Spartanburg, SC
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FXUS62 KGSP 231914 AFDGSP

Area Forecast Discussion National Weather Service Greenville-Spartanburg SC 314 PM EDT Sat Oct 23 2021

SYNOPSIS. Dry high pressure will prevail over the weekend. The pattern will become more active in the upcoming week. A cold front is expected to move across our area on Monday with the potential for strong storms. Another cold front will cross our region on Thursday. Temperatures will remain above normal through the first half of the week then cool to below normal by late in the week.

NEAR TERM /THROUGH SUNDAY/. As of 130 PM: Quiet weather is expected to continue through the near term. A shortwave trough along the Mid-Atlantic states will continue to lift northeast into Sunday with our next system organizing in the lee of the Rocky mountains. Zonal flow will become more southwesterly supporting only a slight increase in heights/thickness and associated temperatures into Sunday. Mainly clear skies will prevail through the period aside from a weak disturbance passing to our north this evening which with strong winds atop a weak inversion at mid-levels may support mountain wave enhanced cloud cover across the NC foothills and Piedmont. Despite good radiational cooling conditions tonight, it appears the airmass in place will be dry enough to preclude early morning mountain valley or lake fog for most areas.

SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY NIGHT/. As of 300 PM EDT Saturday: At the beginning of the forecast period, high pressure will be in place across the western Atlantic extending into the southeastern CONUS. This high be pushed further offshore away from the Carolinas Monday morning in response to an upper-level trough tracking out of the central United States. The trough will track into the Northeastern US Monday night into Tuesday strengthening as it does so and allowing a cutoff low to form. The attendant cold front associated with this low pressure system will track across northeast GA and the western Carolinas late Monday afternoon into Monday evening increasing shower and thunderstorm chances. The NAM, Canadian and ECMWF all show a few hundred J/kg of SBCAPE with 40 to 50 kts of 0-6 km of Bulk Shear. The NAM has similar values for 0-6 km of Bulk Shear, however it is more bullish with SBCAPE with values ranging from 1,000 to 1,500+ J/kg. With the NAM being the only current model solution showing the ingredients in place, confidence on severe wx on Monday remains low for now. SPC has a slight risk in place across the CWA on Monday in their severe wx outlook. The convective mode along this FROPA looks to remain mostly linear leading to mainly a damaging wind gust threat, however an isolated tornado cannot be ruled out. We will continue to monitor the threat for severe wx closely to see if models come into better agreement regarding instability. The good news is that this front will be quick moving and will be off the East Coast early Tuesday morning. However, NW flow behind the FROPA could keep isolated showers around along the NC/TN border into Tuesday. Tuesday night into Wednesday morning the low will be over New England and northeast of the CWA. Sfc high pressure will gradually build in behind the departing front late Tuesday into early Wednesday bringing back drier conditions. Highs will be 5-10 degrees above normal Monday as southwesterly flow is in place ahead of the cold front. Highs on Tuesday will be near or a few degrees above climo outside the mtns and 5 to 10+ degrees below normal across the mtns. Lows will be 5-10 degrees above normal Monday and Tuesday mornings. Wednesday mornings lows will be near or just below normal.

LONG TERM /WEDNESDAY THROUGH SATURDAY/. As of 300 PM EDT Saturday: At the beginning of the forecast period, the low pressure mentioned above in the short term will track off New England and into the western Atlantic with riding in place across the southeastern US. This should lead to drier conditions throughout the day Wednesday. A second upper-level trough will track out of the central CONUS into the eastern CONUS, forming a cutoff Wednesday into Thursday. Models are not in agreement regarding the placement of the trough and low pressure system. The GFS has the cutoff low further north (over the Midwest and TN Valley) while the ECMWF has the low further south (southern Plains and the Deep South). The GFS keeps this large low pressure system over the central and eastern US Thursday night into the weekend while the ECMWF has the low pressure system dissipating Thursday night into early Friday morning across the Deep South before re-developing another cut-off low across the Mid-Atlantic Saturday. This overall synoptic pattern will increase rain chances throughout much of the extended forecast period as a warm front and cold front track across the region. Wednesday remains the most questionable in regards to whether PoPs will hold off or not. The ECMWF and Canadian keep the CWA dry Wednesday into Wednesday night while the GFS is much faster bringing PoPs back into the area late Wednesday night. Due to model disagreement regarding Wednesday, capped PoPs at chance for mainly the western zones. Wednesday night went with low to high end chance PoPs in coordination with neighboring WFOs. The ECMWF and Canadian have PoPs starting on Thursday and continuing into the weekend. The GFS continues PoPs into Thursday across the entire CWA and keeps PoPs mainly confined to the western zones Friday into the weekend. The one thing models do agree on is the lack of instability, so thunder was not mentioned. With so much disagreement regarding timing and placement of features, confidence forecast remains low throughout the extended period. Highs will be below normal and lows will be above normal throughout the extended.

AVIATION /19Z SATURDAY THROUGH THURSDAY/. At KCLT and elsewhere: VFR conds and light winds through the period. Below normal confidence in wind direction through 16Z given weak flow pattern across the region.

Outlook: The next chance of rainfall, thunderstorms, and associated widespread restrictions will be early to middle next week as a cold front sags into the region from the west.

GSP WATCHES/WARNINGS/ADVISORIES. GA . None. NC . None. SC . None.

SYNOPSIS . DEO NEAR TERM . Munroe/PM SHORT TERM . AP LONG TERM . AP AVIATION . Munroe


Weather Reporting Stations
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On 03/09/2021 the NDBC primary processing servers were shut off due to a facilities issue. Station pages on the NDBC website are not updating and there is no ETR at this time. We will update this banner as we learn more.
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WATS1 - Lake Wateree, SC 54 mi70 min NNW 4.1G6 82°F 1016.6 hPa
LMFS1 - Lake Murray SC 77 mi20 min S 6G8.9 73°F

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monroe, Monroe Airport, NC6 mi47 minVar 310.00 miFair74°F47°F38%1017 hPa
Charlotte, Charlotte / Douglas International Airport, NC18 mi48 minW 410.00 miA Few Clouds74°F46°F37%1016.4 hPa
Concord Regional Airport, NC20 mi50 minN 010.00 miFair73°F46°F38%1017.6 hPa

Link to 5 minute data for KEQY

Wind History from EQY (wind in knots)
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Last 24hrW9W7W600SW30N7NE6NE50E400000N6NE10NE7NE6N603
1 day agoSW10SW14
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2 days agoSW5SW6SW40SW5--SW4SW5SW4SW3SW5SW500SW3SW5SW4SW5SW8SW10SW11
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Tide / Current Tables for
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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