Monday, March27, 2017 L-36.com


Marine Weather and Tides
Salvo, NC

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:55AMSunset 7:24PM Monday March 27, 2017 8:48 AM EDT (12:48 UTC) Moonrise 5:45AMMoonset 6:00PM Illumination 0% Phase: New Moon; Moon at 29 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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AMZ152 S Of Oregon Inlet To Cape Hatteras Nc Out 20 Nm- 719 Am Edt Mon Mar 27 2017
.small craft advisory in effect from late tonight through Thursday morning...
Today..S winds 5 to 10 kt. Seas 3 to 4 ft. Dominant period 9 seconds.
Tonight..SW winds 10 to 15 kt. Seas 3 to 5 ft...building to 4 to 6 ft after midnight. Dominant period 10 seconds.
Tue..SW winds 10 to 15 kt. Seas 4 to 6 ft. Dominant period 10 seconds. A chance of showers and tstms... Mainly in the afternoon.
Tue night..SW winds 10 to 15 kt. Seas 4 to 6 ft. Dominant period 10 seconds. A chance of tstms in the evening. A chance of showers.
Wed..NW winds 10 to 15 kt...becoming N 15 to 20 kt in the afternoon. Seas 4 to 6 ft.
Wed night..N winds 15 to 20 kt. Seas 4 to 6 ft.
Thu..NE winds 10 to 15 kt. Seas 4 to 6 ft.
Fri..SE winds 10 to 15 kt...becoming S 15 to 20 kt. Seas 5 to 7 ft. A chance of tstms. Showers likely. Winds and seas higher in and near tstms.

7 Day Forecast for Marine Location Near Salvo, NC
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location: 35.46, -75.11     debug


Area Discussion for - Newport/Morehead City, NC
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Fxus62 kmhx 271127
afdmhx
area forecast discussion
national weather service newport/morehead city nc
727 am edt Mon mar 27 2017

Synopsis
High pressure will extend over the area from offshore through
today. A cold front will move through Wednesday morning. A warm
front will move through from the southwest Friday. A cold front
will move through early Saturday.

Near term /until 6 pm this evening/
As of 730 am Monday... Morning update mainly captures t/td trends
with temps a couple degrees cooler than forecast.

A mid-level shortwave trough lifts out this morning with weak
ridging building in from the south through the day. Will
continue slight chc pops well inland this afternoon as a couple
models continue to develop a few showers in this area with
sufficient moisture (pw values around 1.1") and capes around
500-1000 j/kg, however parcels will have to overcome a
subsidence inversion evident in the 00z kmhx and forecast model
soundings. This inversion is strongest closer to the coast where
capes will also be at a minimum so not expecting any showers to
make it east of highway 17 except possibly near the western
albemarle sound. Sfc high pressure will be centered off the
coast bringing warm southerly flow with low level thicknesses
around 1380m yields highs around 75-80 most areas.

Short term /6 pm this evening through 6 am Tuesday/
As of 3 am Monday... Shortwave ridging migrates eastward
overnight as a more robust shortwave approaches from the west.

Expect increasing clouds but generally dry conditions much of
the overnight, however cannot rule out an isolated shower
approaching far western sections late. Continued mild with lows
in the low to mid 50s.

Long term /Tuesday through Sunday/
As of 330 am Monday... Most of the upcoming extended period will
be characterized by near to above normal temperatures with
threats of rain Tuesday afternoon and evening and again on
Friday.

Tuesday and Tuesday night... Strong mid-level shortwave will
cross the region during the day Tuesday as cold front
approaches from the west. Increasing moisture from the s/sw
along with good instability (sbcape values around 1500 j/kg and
li's around -5) will lead to scattered convection. Given the
instability driven by highs well into the 70s with dewpoints
approaching 60 degrees... The mid-level shortwave and some weak
low-level shear... Most of eastern nc has been placed into a
marginal threat of severe weather Tuesday afternoon and evening
with the primary threat being strong wind gusts and hail and the
best timing from roughly 3 pm to 10 pm Tuesday. Do not expect
widespread precipitation coverage and have held pop in the 30-40
percent range Tuesday afternoon and evening.

Wednesday through Thursday... High pressure will build both at
the surface and aloft providing a couple of dry days.

Temperatures will be 3-5 degrees cooler Wednesday then
considerably cooler on Thursday with highs only in the lower 50s
over the northern outer banks to low/mid 60s elsewhere.

Thursday night through Friday night... Deep mid-level trough will
dig into the ohio valley and take on a more negative tilt
Thursday night helping to advect deep moisture into eastern nc
on Friday ahead of cold front. This system looks considerably
wetter than the Tuesday evening system with model QPF in excess
of an inch Friday afternoon and evening. Clouds and
precipitation will hold high temperatures in the upper 60s to
lower 70s Friday and have continued likely pops Friday into
Friday night. Instability looks less than the Tuesday evening
system... So at this point... Would think severe threat to be
limited.

Saturday through Sunday... After some lingering showers Saturday
behind the front... Expect Saturday evening into Sunday to be dry
and seasonable with high temperatures in the 70s and lows in the
50s.

Aviation /12z Monday through Friday/
Short term /through Monday night/...

as of 730 am Monday... GenerallyVFR conditions expected through
the TAF period. Any remaining shallow fog this morning will
burn off in the next hour. Generally dry conditions expected
today but cannot rule out an isolated shower or thunderstorm
developing this afternoon across the coastal plain. Light mixing
and increasing clouds late should preclude most fog development
tonight.

Long term /Tuesday through Friday/... .

As of 330 am Monday... Sub-vfr conditions will possible Tuesday
afternoon and evening in scattered showers and scattered
thunderstorms. Some of the storms will have the potential to be
locally strong to severe with high wind gusts.VFR conditions
should prevail under the influence of surface and mid-level
ridging Wednesday and Thursday. Widespread showers and a few
thunderstorms Friday will lead to periods of MVFR and possible
ifr ceilings and vsbys.

Marine
Short term /through Monday night/...

as of 215 am Monday... High pressure ridge will continue off the
southeast coast through the period bringing S to SW winds AOB 15
kt across the waters. Seas will continue around 2-4 ft today but
will build tonight as swell from low pressure north of
hispaniola begins to impact the area. Both wavewatch and nwps
show seas building to 3-5 ft with up to 6 ft across the central
waters after midnight and will raise a SCA with the forecast
package.

Long term /Tuesday through Friday/... .

As of 330 am Monday... Small craft advisories will be in effect
Tuesday south of oregon inlet and will continue into at least
Thursday... Mainly for seas due to swell originating from non-
tropical low pressure east of the bahamas. There will likely be
a lull in the seas Thursday night but expect an increase in wind
wave in gusty SW winds ahead of oncoming cold front Friday
afternoon and evening.

Mhx watches/warnings/advisories
Nc... None.

Marine... Small craft advisory from 1 am Tuesday to 11 am edt Thursday
for amz152-154.

Synopsis... Sk
near term... Sk
short term... Sk
long term... Ctc
aviation... Ctc/sk
marine... Ctc/sk


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44095 23 mi61 min 51°F4 ft
ORIN7 - 8652587 - Oregon Inlet Marina, NC 33 mi49 min S 2.9 G 4.1 63°F 55°F1021.6 hPa (+0.9)
41025 - Diamond Shoals 35 mi59 min S 7.8 G 9.7 70°F 76°F3 ft1021.5 hPa (+0.5)47°F
HCGN7 - 8654467 - Hatteras, NC 36 mi49 min SSW 4.1 G 6 68°F 60°F1021.4 hPa (+1.0)

Wind History for Oregon Inlet Marina, NC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hatteras, Mitchell Field, NC32 mi58 minSSW 45.00 miFair with Haze67°F53°F61%1021.5 hPa

Wind History from HSE (wind in knots)
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Last 24hrCalmS5S5S6S7S5S4SE5SE5SE5SE5SE3SE5SE6S7S7S9S10S9S7S8S6S7S4
1 day agoW7SW9SW8SW11SW7SW10SW10SW10W10W8W8SW8SW6W6W4W4W5W3W3CalmCalmSW3S43
2 days agoSE4S7S6SW5SW86SW8SW7SW7SW7SW7SW8SW7SW8SW8SW9SW8W7W9W7W8W9W8W6

Tide / Current Tables for Rodanthe, Pamlico Sound, North Carolina
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Rodanthe
Click for Map
Mon -- 03:59 AM EDT     0.03 feet Low Tide
Mon -- 06:46 AM EDT     Moonrise
Mon -- 06:55 AM EDT     Sunrise
Mon -- 09:59 AM EDT     0.89 feet High Tide
Mon -- 04:20 PM EDT     -0.01 feet Low Tide
Mon -- 07:01 PM EDT     Moonset
Mon -- 07:19 PM EDT     Sunset
Mon -- 10:34 PM EDT     0.97 feet High Tide
Mon -- 10:59 PM EDT     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.60.40.20.100.10.20.40.70.80.90.80.60.40.20-000.10.30.60.811

Tide / Current Tables for Avon, North Carolina
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Avon
Click for Map
Mon -- 01:13 AM EDT     -0.27 feet Low Tide
Mon -- 06:46 AM EDT     Moonrise
Mon -- 06:55 AM EDT     Sunrise
Mon -- 07:26 AM EDT     3.29 feet High Tide
Mon -- 01:41 PM EDT     -0.41 feet Low Tide
Mon -- 07:01 PM EDT     Moonset
Mon -- 07:19 PM EDT     Sunset
Mon -- 07:51 PM EDT     3.20 feet High Tide
Mon -- 10:59 PM EDT     New Moon
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0-0.3-0.10.41.22.12.83.23.22.8210.2-0.3-0.4-00.71.62.433.22.92.21.3

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Mid-Atlantic    EDIT
Geos

Wind Forecast for Newport/Morehead City, NC (8,2,3,4)
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Ground Weather Radar Station Morehead City, NC
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weather_mapweather_map weather_map

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Disclaimer:
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 numerious 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.