Thursday, July29, 2021
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Marine Weather and Tides
Holden Beach, 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 6:19AMSunset 8:16PM Thursday July 29, 2021 9:22 PM EDT (01:22 UTC) Moonrise 10:55PMMoonset 10:53AM Illumination 69% Phase: Waning Gibbous; Moon at 20 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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AMZ252 Coastal Waters From Cape Fear Nc To Little River Inlet Sc Out 20 Nm- 637 Pm Edt Thu Jul 29 2021
.small craft advisory in effect from Friday afternoon through Friday evening...
Tonight..SW winds 10 to 15 kt. Seas 2 to 3 ft.
Fri..SW winds 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 3 to 4 ft.
Fri night..SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers and tstms.
Sat..NW winds 5 to 10 kt, becoming se in the afternoon. Seas 3 to 4 ft. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon.
Sat night..S winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers and tstms.
Sun..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. A chance of tstms. A chance of showers.
Sun night..SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 3 to 5 ft. Showers likely with a chance of tstms.
Mon..SW winds 10 to 15 kt. Seas 3 to 5 ft. Showers. Tstms likely through the day, then a chance of tstms through the night.
Tue..SW winds 10 to 15 kt. Seas 3 to 4 ft. Showers with tstms likely through the day, then showers likely with a chance of tstms through the night. Winds and seas higher in and near tstms.
AMZ200 637 Pm Edt Thu Jul 29 2021
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. A trough of low pressure dropping into eastern nc will bring increasing sw winds Fri into Sat ahead of a cold front dropping southward behind the trough. The front will stall near the coast Sun into early next week, resulting in scattered tstms in the vicinity of the stalled front each day.


7 Day Forecast for Marine Location Near Holden Beach, NC
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location: 33.92, -78.37     debug


Area Discussion for - Wilmington, NC
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FXUS62 KILM 300019 AFDILM

Area Forecast Discussion National Weather Service Wilmington NC 819 PM EDT Thu Jul 29 2021

SYNOPSIS. A warming trend continues into Friday as an upper ridge builds over the area, and a Heat Advisory has been issued over the entire area for Friday. A front will drop into the region Friday night, stalling along the coast this weekend through next week, bringing rounds of showers and periodic thunderstorms.

NEAR TERM /THROUGH FRIDAY NIGHT/. After a mostly clear night with lows in the mid 70s, the main weather concern in the near-term becomes the heat on Friday. A broad 500 mb ridge will extend from the Pacific Northwest, across the central plains, and into the mid-south states. Unseasonably warm air associated with these height anomalies will advect into the forecast area Friday afternoon on southwest winds ahead of a cold front. High temperature will reach the upper 90s, and although dewpoints will mix out into the lower 70s west of the sea breeze, this will still yield heat index values of 105-109, which will necessitate the issuance of a Heat Advisory. An afternoon sea breeze will knock temperatures down into the lower 90s close to the coast, but the net effect on heat indices will be minimal, as dewpoints in the marine layer will surge into the upper 70s.

Scattered thunderstorms are expected to develop Friday afternoon along and ahead of the cold front, and begin to impact our western counties as early as 19-20Z. This activity will push east through the late afternoon and likely linger into the evening in a moderately unstable airmass. Some of these storms may become strong to severe, with damaging wind gusts the primary threat. Areas generally along and north of a line from Florence to Shallotte to Southport are included in a marginal threat for severe weather in the Day 2 convective outlook.

SHORT TERM /SATURDAY THROUGH SATURDAY NIGHT/. Saturday starts off mainly dry before possible aftn shras/tstms especially near the coast due to the sea breeze. PoPs up to 40% along the coast and down to 20% far NW areas. High temps in the low/mid 90s, with heat indices around 105 over SW areas where another Heat Advisory may be necessary. Low rain chances continue into Sat night with a weak frontal boundary over the area and a slight uptick in deep-layer moisture. Low temps in the mid 70s most areas.

LONG TERM /SUNDAY THROUGH THURSDAY/. Long Term period will feature frequent high rain chances and slightly below normal temps on average due to the rain/cloud cover. Exception will be Sun when the combined heat and humidity will lead to another Heat Advisory possibly over the entire area. Best chance of rain will be Mon and Tue (80% PoPs most areas) as an upr-level trough takes stage over the eastern CONUS with a persistent low-level frontal boundary draped across the area providing additional forcing for ascent. Moderate to heavy rain possible as well at times next week.

AVIATION /00Z FRIDAY THROUGH TUESDAY/. VFR throughout the 00Z TAF Issuance Period . except included a PROB30 group for LBT and FLO for the threat of tstorms ahead of a cold front, mainly between 21z-24Z Fri. Sfc pg to remain tight enough overnight to keep fog development at bay, along with a SW 20-25 kt low level nocturnal jet. Winds to veer to the SW-WSW by daybreak Fri and increase in speeds as downslope flow and a tightening sfc pg continue. Looking at sustained 10-15 kt by aftn with gusts 20-25 kt at the coastal terminals once the sea breeze becomes established. The sea breeze will remain somewhat pinned due to the increased W-NW flow aloft. The downslope flow will also limit Cu development but should see debris ci and possibly high altocu by the end of this period.

Extended Outlook . Stalled front in the vicinity of the Eastern Carolinas will result in periodic MVFR/IFR from tstorms especially early next week.

MARINE. Through Friday Night: A weak surface trough inland combined with Bermuda high pressure will produce 10-15 kt southerly winds over the waters tonight into Friday. Surface pressure falls over the interior Carolinas on Friday ahead of a cold front will tighten the gradient, and SW winds will increase to 20 kt, with gusts to 25 kt. Will go ahead with a Small Craft Advisory all waters beginning at noon Friday. Seas will be predominantly composed of a 4-5 second SW wind wave that will build from 2 ft this evening to 3-4 ft on Friday.

Saturday Through Tuesday: Sub-SCA conditions expected this weekend into early next week. Main story through the period will be frequent chances for shras/tstms, as a frontal boundary remains just inland allowing for S/SW flow to continue over the local waters. Winds mainly 10-15 kt, but up to 20 kt at times especially late in the day. Seas mainly 2-4 ft, up to 5 ft out 20nm on occasional at times as wind waves pick up. A weak ESE swell will persist as well into early next week.

ILM WATCHES/WARNINGS/ADVISORIES. SC . Heat Advisory from 11 AM to 7 PM EDT Friday for SCZ017-023-024- 032-033-039-054>056-058-059. Beach Hazards Statement from 6 AM EDT Friday through Friday evening for SCZ054-056. NC . Heat Advisory from 11 AM to 7 PM EDT Friday for NCZ087-096-099- 105>110. Beach Hazards Statement from 6 AM EDT Friday through Friday evening for NCZ106-108. MARINE . Small Craft Advisory from noon Friday to midnight EDT Friday night for AMZ250-252-254-256.

SYNOPSIS . ILM NEAR TERM . CRM SHORT TERM . MAS LONG TERM . MAS AVIATION . DCH MARINE . MAS/CRM


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
41024 - Sunset Nearshore (SUN 2) 8 mi74 min SW 12 G 16 83°F 85°F1015.9 hPa
SSBN7 8 mi65 min 84°F2 ft
41108 23 mi52 min 84°F2 ft
MBIN7 29 mi52 min SW 8.9 G 13 82°F 1014 hPa
WLON7 31 mi52 min 81°F 84°F1014.9 hPa
MBNN7 34 mi52 min SSW 8.9 G 14 82°F 1013.7 hPa
MROS1 - 8661070 - Springmaid Pier, SC 34 mi52 min 83°F
JMPN7 - 8658163 - Johnny Mercer Pier, Wrightsville Beach, NC 37 mi52 min S 19 G 21 82°F 83°F1014.2 hPa
41038 - ILM2 - 5 miles SE of Wrightsville Beach, NC 38 mi74 min SW 14 G 18 82°F 82°F1014.9 hPa
41110 - Masonboro Inlet, NC 38 mi45 min 82°F3 ft
41013 - Frying Pan Shoals, NC Buoy 46 mi42 min S 9.7 G 12 82°F 84°F1015.1 hPa74°F

Wind History for Springmaid Pier, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brunswick County Airport, NC16 mi28 minSSW 610.00 miFair81°F73°F77%1015.2 hPa
North Myrtle Beach Grand Strand Airport, SC20 mi30 minSSW 1210.00 miFair82°F74°F77%1014.8 hPa

Link to 5 minute data for KSUT

Wind History from SUT (wind in knots)
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Last 24hrCalmE6NW3CalmCalmCalmCalmN3CalmCalmCalmN3CalmW3SW5W5SW3SW7S6S6S7S8S5S5
1 day agoCalmS3S5S6S5CalmCalmNE3
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2 days agoS4S6S5S5S6SW5SW7SW4W3CalmCalmCalmS5SW4SW3SW5SW4SE4S5S5S4S5S3S5

Tide / Current Tables for Shallotte Inlet (Bowen Point), North Carolina
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Shallotte Inlet (Bowen Point)
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Thu -- 12:50 AM EDT     4.83 feet High Tide
Thu -- 06:23 AM EDT     Sunrise
Thu -- 07:11 AM EDT     0.25 feet Low Tide
Thu -- 11:53 AM EDT     Moonset
Thu -- 01:17 PM EDT     4.58 feet High Tide
Thu -- 07:30 PM EDT     0.75 feet Low Tide
Thu -- 08:16 PM EDT     Sunset
Thu -- 11:54 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.64.84.53.72.61.60.70.30.51.32.43.44.24.64.53.93.12.11.30.80.81.42.33.2

Tide / Current Tables for Tubbs Inlet, North Carolina
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Tubbs Inlet
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Thu -- 12:21 AM EDT     4.56 feet High Tide
Thu -- 06:23 AM EDT     Sunrise
Thu -- 06:31 AM EDT     0.26 feet Low Tide
Thu -- 11:53 AM EDT     Moonset
Thu -- 12:48 PM EDT     4.32 feet High Tide
Thu -- 06:50 PM EDT     0.77 feet Low Tide
Thu -- 08:16 PM EDT     Sunset
Thu -- 11:54 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.54.53.931.90.90.30.30.91.92.83.64.24.343.32.41.610.81.11.92.73.5

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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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