Saturday, May27, 2017 L-36.com


Marine Weather and Tides
North Bend, OR

Version 3.4
What's New / NOTES
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 5:39AMSunset 8:48PM Saturday May 27, 2017 2:55 AM PDT (09:55 UTC) Moonrise 6:48AMMoonset 9:59PM Illumination 4% Phase: Waxing Crescent; Moon at 2 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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PZZ350 Coastal Waters From Florence To Cape Blanco Or Out 10 Nm- 206 Am Pdt Sat May 27 2017
Today..SW wind 5 kt...veering to W in the afternoon. Wind waves 2 ft or less. NW swell 5 ft at 9 seconds. Slight chance of rain and drizzle before Sunrise. Patchy fog through the day.
Tonight..W wind 5 kt...backing to sw in the late evening and overnight. Wind waves 2 ft or less. NW swell 4 ft at 10 seconds. Patchy fog. Slight chance of rain and drizzle.
Sun..SW wind 5 kt early in the morning...becoming variable less than 5 kt, then...becoming nw 5 to 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell nw 4 ft at 10 seconds and sw 2 ft at 13 seconds. Patchy fog in the morning. Slight chance of drizzle in the morning. Slight chance of rain through the day.
Sun night..N wind 5 to 10 kt. Wind waves 2 ft or less. SWell nw 3 to 4 ft.
Mon..N wind 5 to 15 kt. Wind waves 2 ft or less. SWell nw 2 to 3 ft.
Mon night..N wind 5 to 10 kt. Wind waves 2 ft or less. Mixed swell sw 2 ft and nw 2 ft.
Tue..N wind 10 kt...backing to nw. Wind waves 2 ft or less. Mixed swell W 2 ft and nw 2 ft.
Wed..W wind 5 kt...veering to N 10 to 15 kt. Wind waves 2 ft or less...becoming 3 to 4 ft. SW swell 2 to 3 ft.
PZZ300 205 Am Pdt Sat May 27 2017
Synopsis for the southern oregon coastal waters..Fog and low stratus will persist with light and variable winds through the weekend. The thermal trough will redevelop Sunday into Monday and gradually strengthen through the first half of next week, bringing increasing north winds to the area. Small craft advisory winds and seas will likely develop south of cape blanco by the middle of next week.

7 Day Forecast for Marine Location Near North Bend, OR
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location: 43.42, -124.29     debug


Area Discussion for - Medford, OR
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Fxus66 kmfr 270300
afdmfr
area forecast discussion
national weather service medford or
800 pm pdt Fri may 26 2017

Discussion 27 00z NAM in.

Mostly clear skies prevail across the medford CWA with the exception
of the coast and the adjacent coastal waters... Where low marine
stratus dominates. There is also some dissipating shallow cumulus
from the cascades east.

The mostly clear skies come courtesy of a strong long wave ridge
centered offshore along 130w. This is bringing dry northerly flow
aloft to the area. This ridge will move slowly east... Moving
onshore Saturday and then to the east of the area Sunday afternoon
into Sunday evening.

Initially... Dry and warm weather will prevail. Saturday highs will
be near normal along the coast... But 10 to 15 degrees above normal
over the rest of the area. Sunday highs inland will be 2 to 4
degrees higher than the Saturday highs except in the umpqua
basin. The encroaching marine layer will cool that area a few
degrees Sunday.

As the long wave ridge axis breaks to the east of the area, the
flow aloft will become southerly and this will open the door to
monsoonal moisture advecting into the area. Thus, thunderstorms
become a possibility as early as Sunday afternoon. However, the
moisture will still be very limited at that time, so the chances
of thunderstorm development is quite low.

Southerly flow aloft will gradually increase into Monday, and
conditions will become much more favorable for thunderstorm
development. Difluence aloft, increasing south to southeast flow
(15 knots or greater) due to an approaching slightly negatively
tilted upper level trough, increasing moisture (pws increasing to
0.80 to 1.10 inches), and increasing instability will combine to
support showers and thunderstorms across much of the area,
centered on the cascades and siskiyous. One or two of these storms
could become severe.

As far as temperatures go... Monday highs will be about the same
as the Sunday highs.

Extended discussion from the Friday afternoon afd... Tuesday
through Friday. The extended period begins active with southerly
low level flow continuing to feed unstable air into the region.

The GFS is indicating li's of -4 over SW jackson SE josephine
counties and -7 over the crater lake area. In addition to the very
unstable air mass and strong convergence in the siskiyous and
cascades with the southerly flow meeting the afternoon upvalley
flow a strong vort axis is also indicated to move through shortly
after MAX heating. Starting Wednesday the GFS and ec veer apart
with the GFS closing an upper low and bringing it south into
southern ca, and the ec indication an open trough. With this I do
not have high confidence in convection on Thursday as the ec is
indicating a weak ridge building over the region. Sven

Aviation 27 00z TAF cycle... A surge of south winds and ifr lifr
fog has moved up the coast and coastal waters up to lane county.

This low stratus and fog will remain in the coastal waters and move
inland at the coast this evening, remaining through the early
morning.

All other areas will remainVFR through the TAF period with some
fair weather cumulus building tomorrow afternoon -sven schaaf

Marine Updated 800 pm Friday 26 may 2017... Winds and seas will
diminish tonight into Saturday as the thermal trough weakens. Fog
and low stratus will persist through the weekend. The thermal
trough will redevelop Sunday into Monday and gradually strengthen
through the first half of next week... Bringing increasing north
winds to the area. Small craft advisory winds and seas will likely
develop south of CAPE blanco by the middle of next week.

Fire weather a chance of thunderstorms is expected the afternoon
and evening of memorial day across the area following a period of
warm and dry weather. While most of the thunderstorms are currently
expected along, south, and east of the cascades and siskiyous,
moderate southeast flow across the area means that some areas west
of the cascades could also be affected. The threat is expected to
continue into Tuesday. Btl

Mfr watches warnings advisories
Or... None.

Ca... None.

Pacific coastal waters... None.

15 15 15


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHAO3 - 9432780 - Charleston, OR 5 mi79 min SSE 1.9 G 2.9 48°F1018.6 hPa
46229 - UMPQUA OFFSHORE, OR (139) 28 mi31 min 52°F7 ft
PORO3 - 9431647 - Port Orford, OR 48 mi43 min Calm G 1 52°F 47°F1018.5 hPa

Wind History for Charleston, OR
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
North Bend, North Bend Municipal Airport, OR2 mi60 minSSE 310.00 miOvercast54°F50°F88%1019 hPa

Wind History from OTH (wind in knots)
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Last 24hrCalmS6S4S3CalmCalmCalmW9W8W8W9W8W10W10NW12NW7W7W6SW5SW6SW6SW6SW5S3
1 day agoN7N6N6NE4NE6NE9N8N11N13N19N18
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N8N7

Tide / Current Tables for Empire, Coos Bay, Oregon
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Empire
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Sat -- 01:54 AM PDT     7.68 feet High Tide
Sat -- 05:42 AM PDT     Sunrise
Sat -- 07:48 AM PDT     Moonrise
Sat -- 08:57 AM PDT     -2.08 feet Low Tide
Sat -- 03:24 PM PDT     6.05 feet High Tide
Sat -- 08:47 PM PDT     Sunset
Sat -- 08:55 PM PDT     1.83 feet Low Tide
Sat -- 10:58 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
6.27.37.77.25.83.81.7-0.3-1.6-2.1-1.5-01.83.75.265.95.24.132.11.82.33.4

Tide / Current Tables for Entrance, Umpqua River, Oregon
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Entrance
Click for Map
Sat -- 01:22 AM PDT     8.12 feet High Tide
Sat -- 05:40 AM PDT     Sunrise
Sat -- 07:47 AM PDT     Moonrise
Sat -- 08:10 AM PDT     -2.27 feet Low Tide
Sat -- 02:52 PM PDT     6.41 feet High Tide
Sat -- 08:08 PM PDT     1.99 feet Low Tide
Sat -- 08:47 PM PDT     Sunset
Sat -- 10:59 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
7.38.17.96.84.92.50.2-1.5-2.3-1.9-0.61.23.24.96.16.45.94.83.52.522.33.34.7

Weather Map and Satellite Images
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Weather Map
wmap_P
IR Satellite Image from GEOS
west_satellite

GOES Local Image of PacificNorthwest    EDIT
Geos

Wind Forecast for Medford, OR (5,6,7,8)
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Ground Weather Radar Station Medford, OR
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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.