Wednesday, February24, 2021
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Marine Weather and Tides
Hampstead, NC

Version 3.4
NOTICE
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 6:44AMSunset 6:05PM Wednesday February 24, 2021 9:35 PM EST (02:35 UTC) Moonrise 3:16PMMoonset 5:09AM Illumination 97% Phase: Waxing Gibbous; Moon at 13 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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AMZ250 Coastal Waters From Surf City To Cape Fear Nc Out 20 Nm- 643 Pm Est Wed Feb 24 2021
Tonight..SW winds 10 to 15 kt. Seas 2 to 3 ft.
Thu..W winds 10 to 15 kt, becoming ne 5 to 10 kt with gusts up to 20 kt in the afternoon. Seas 2 to 3 ft.
Thu night..NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft.
Fri..NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A slight chance of rain in the morning, then a chance of rain in the afternoon.
Fri night..E winds 15 to 20 kt, becoming se 10 to 15 kt after midnight. Seas 4 to 6 ft. Showers likely.
Sat..SW winds 5 to 10 kt. Seas 4 to 6 ft.
Sat night..SW winds 5 to 10 kt. Seas 3 to 4 ft.
Sun..SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 3 to 5 ft. A chance of showers.
Mon..SW winds 15 to 20 kt, becoming nw 10 to 15 kt. Seas 3 to 5 ft. Showers likely.
AMZ200 643 Pm Est Wed Feb 24 2021
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. Southerly flow continues tonight around offshore high pressure. A dry cold front drops south across the area on Thursday, stalling to the south Thursday night through Friday. Weak surface lows will move along the front Friday into the upcoming weekend bringing unsettled weather. Sca conditions possible for nc coastal waters Friday into Saturday.


7 Day Forecast for Marine Location Near Hampstead, NC
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location: 34.37, -77.71     debug


Area Discussion for - Wilmington, NC
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FXUS62 KILM 242330 AFDILM

Area Forecast Discussion National Weather Service Wilmington NC 630 PM EST Wed Feb 24 2021

SYNOPSIS. A weak boundary will slip through from the north today but Thursday will still remain on the mild side of climatology as the cool behind the boundary is delayed until Friday. It will wash out over the weekend allowing for a warmup. Rain will return on Monday, possibly lingering into early next week.

NEAR TERM /THROUGH THURSDAY NIGHT/. Continued warm advection tonight around offshore high pressure will keep min temps above normal in the mid to upper 40s. A shallow and dry cold front approaches from the north early Thursday, moving across the area during the day. Parallel flow aloft will slow the front's progress, with it finally being pushed just to our south Thursday night as high pressure moves north of the area. Mid level clouds near and just behind the front Thursday may limit max temps. Current forecast is slightly below MOS guidance in the mid to upper 60s, with higher values to the south. Depending on timing and extent of cloud cover, could see max temps differ by several degrees from forecast. Increased cloud cover and light northeast winds will keep temps Thursday night in the low to mid 40s.

SHORT TERM /FRIDAY THROUGH FRIDAY NIGHT/. Surface wedge will be set up Friday as a low amplitude and very progressive shortwave passes by late in the day. Temperatures and convective potential a bit difficult to assess as the eastern periphery of the wedge may give way to a warm front moving in from the ocean according to some guidance. With the absence of a wedge- enforcing confluence of mid level flow the main factor that should maintain the wedge will be rainfall . which will likely be a bit slower than forecast, a common model bias. Additionally the highest QPF stays over far northwestern zones. Have opened up the high temp forecast a bit by allowing for warmer temps along the coast while inland struggles with the wedge a bit. Wedge breaks down Friday night, possibly enough for a non-diurnal curve.

LONG TERM /SATURDAY THROUGH WEDNESDAY/. With the wedge gone a broad but weak swath of southerly surface flow will develop Saturday with WSW flow aloft. This will favor a warm afternoon with temperature at or just above 70. A few showers and perhaps a thunderstorm become possible on Sunday with the approach of a cold front and a mid level back to SW. Overall with some degree of cloud cover lingering some of the warmer temperature guidance implying temperatures near 80 appears ambitious, though Sunday will wind up the warmer of the two afternoons. The front pushes through on Monday, possibly favoring morning highs followed by decreasing temperatures. Rain coming largely after FROPA due to lagging mid level shortwaves in the still low amplitude flow. The next high that builds in will serve as an overrunning surface for a possibly healthy rainfall on Tuesday.

AVIATION /00Z THURSDAY THROUGH MONDAY/. VFR conditions expected through the period. Winds will shift around to the north then northeast later tomorrow with the passage of a dry cold front. Some clouds associated with this feature as well but certainly nowhere near any flight restrictions.

Extended Outlook . VFR to dominate thru late Thu with high pressure prevailing across the Carolinas. Cold front to drop south and stall across the area late Thu night into Sun with periods of MVFR/IFR possible Fri thru Sun.

MARINE. Through Thursday Night . Relatively quiet marine conditions continue through Thursday night. 10-15 kt SW flow tonight will weaken to less than 10 kts Thursday as a slow moving cold front drops south across the area. Behind the front, 15-20 kt northeast winds develop over the coastal waters Thursday evening and night. 2-3 ft seas tonight and during the day Thursday increase to 3-4 ft Thursday night, primarily wind waves with a 1 ft 9 sec SE swell mixed in.

Friday through Monday . Friday initializes with a wedge-induced pinched gradient winds out of the NE. Guidance is trending towards turning the wind ashore with a warm front later in the day but little drop in wind speed. This could import/advect a few 6 ft seas along the outer edges of our 20 nm forecast zones necessitating a Small Craft Advisory. The wedge will be gone on Saturday but some backswell could still keep Advisory flags in effect at least over northern zones as Cape Fear may lead to wave height shadowing further south. Southwesterly flow on Sunday will increase with the approach of a cold front. For now it appears that 6 ft seas remain outside of 20 nm including as we head into Monday. The later Monday FROPA will help to keep these larger waves at bay especially as the wind speeds decrease as the high builds in behind the boundary.

ILM WATCHES/WARNINGS/ADVISORIES. SC . None. NC . None. MARINE . None.

SYNOPSIS . ILM NEAR TERM . VAO SHORT TERM . mbB LONG TERM . mbB AVIATION . SHK MARINE .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
JMPN7 - 8658163 - Johnny Mercer Pier, Wrightsville Beach, NC 12 mi48 min SSW 9.9 G 12 57°F 53°F1017.6 hPa
MBNN7 15 mi36 min WSW 4.1 G 7 55°F
41038 - ILM2 - 5 miles SE of Wrightsville Beach, NC 16 mi28 min SW 7.8 G 9.7 52°F 53°F1018.1 hPa
41110 - Masonboro Inlet, NC 16 mi29 min 53°F2 ft
WLON7 16 mi48 min 51°F 48°F1018.1 hPa
NOXN7 - North Carolina Reserve, NC 17 mi51 min WSW 4.1 57°F 43°F
MBIN7 21 mi36 min WSW 6 G 8.9 56°F 1017.2 hPa (+0.4)
41037 - ILM3 - 27 miles SE of Wrightsville Beach, NC 32 mi28 min 60°F 58°F
41159 42 mi40 min 63°F3 ft
41108 48 mi36 min 53°F2 ft

Wind History for Wrightsville Beach, NC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wilmington International Airport, NC13 mi43 minSSW 710.00 miFair56°F41°F57%1018 hPa

Link to 5 minute data for KILM

Wind History from ILM (wind in knots)
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1 day agoW6W7W7W6W8W4W6W4NW6N3NW4NW4NW6SW4--W11W11W12W12SW12SW8SW8SW5SW5
2 days agoE5N4E3E4E5E5E7E6S7S7S7SE11
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S13SW15SW9W9W5SW5W5

Tide / Current Tables for New Topsail Inlet, North Carolina
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New Topsail Inlet
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Wed -- 05:08 AM EST     Moonset
Wed -- 05:18 AM EST     3.09 feet High Tide
Wed -- 06:45 AM EST     Sunrise
Wed -- 12:23 PM EST     0.16 feet Low Tide
Wed -- 03:15 PM EST     Moonrise
Wed -- 05:37 PM EST     2.61 feet High Tide
Wed -- 06:02 PM EST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.61.32.12.83.132.72.21.50.90.40.20.20.71.42.12.52.62.31.91.30.70.2

Tide / Current Tables for Castle Hayne, Northeast River, North Carolina
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Castle Hayne
Click for Map
Wed -- 04:22 AM EST     -0.01 feet Low Tide
Wed -- 05:09 AM EST     Moonset
Wed -- 06:46 AM EST     Sunrise
Wed -- 10:01 AM EST     1.79 feet High Tide
Wed -- 03:16 PM EST     Moonrise
Wed -- 05:14 PM EST     0.07 feet Low Tide
Wed -- 06:03 PM EST     Sunset
Wed -- 10:32 PM EST     1.64 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.10.70.40.200.10.511.51.71.81.71.51.20.90.60.30.10.20.61.11.41.61.6

Weather Map
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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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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.