Saturday, September21, 2019

Marine Weather and Tides
Pistol River, OR

Version 3.4
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at Allen

Sunrise 7:01AMSunset 7:17PM Saturday September 21, 2019 10:07 AM PDT (17:07 UTC) Moonrise 11:02PMMoonset 1:31PM Illumination 49% Phase: Third Quarter Moon; Moon at 22 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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PZZ376 Waters From Cape Blanco Or To Pt. St. George Ca From 10 To 60 Nm- 851 Am Pdt Sat Sep 21 2019
.small craft advisory in effect through late tonight...
Today..N wind 15 to 20 kt. Wind waves 3 to 5 ft. NW swell 3 to 4 ft at 13 seconds.
Tonight..Northern portion, N wind 10 to 15 kt...backing to nw early in the morning. Southern portion, N wind 20 to 25 kt... Becoming nw 10 kt. Wind waves 3 to 5 ft. NW swell 4 ft at 12 seconds.
Sun..NW wind 5 to 10 kt...backing to W in the morning, then... Backing to sw early in the afternoon... Becoming 5 to 15 kt late in the afternoon. Wind waves 2 ft or less. NW swell 5 to 6 ft at 12 seconds. Rain likely in the morning, then showers in the afternoon.
Sun night..N wind 15 to 20 kt. Wind waves 3 to 5 ft. NW swell 6 to 7 ft.
Mon..N wind 15 to 20 kt northern portion and N 25 kt southern portion. Wind waves 4 to 5 ft. NW swell 5 to 6 ft.
Mon night..Northern portion, N wind 20 to 25 kt... Easing to 15 kt after midnight. Southern portion, N wind 30 kt...easing to 25 kt after midnight. Wind waves 5 to 8 ft. NW swell 4 to 5 ft.
Tue..N wind 20 kt...rising to 30 kt. Wind waves 5 to 6 ft... Building to 8 to 10 ft. NW swell 6 to 7 ft.
Wed..N wind 30 kt...rising to gales 35 kt in the evening, then...easing to 30 kt after midnight. Wind waves 10 to 12 ft. NW swell 9 ft.
PZZ300 851 Am Pdt Sat Sep 21 2019
Synopsis for the southern oregon coastal waters..High pressure offshore and a thermal trough along the coast will persist through this evening. Gusty north winds will continue to produce steep seas south of port orford. Conditions will improve tonight into Sunday as a front quickly moves through. But, a thermal trough will quickly redevelop early Monday with strong, gusty north winds that could reach gale force Tuesday into Thursday.

7 Day Forecast for Marine Location Near Pistol River, OR
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location: 42.07, -126.51     debug

Area Discussion for - Medford, OR
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Fxus66 kmfr 211631
area forecast discussion
national weather service medford or
931 am pdt Sat sep 21 2019

Update Low clouds and fog are common in the west side valleys
this morning, and are present, but not as widespread, in the
valleys east of the cascades as well. These areas should burn off
quickly this morning, and skies should be mostly clear this
afternoon. Have adjusted the forecast this morning to account for
the low clouds, but no other updates are needed. For the rest of
the forecast, including the upcoming rain tomorrow, see the
previous forecast below. -bpn

Aviation For the 21 12z tafs... Areas of MVFR ifr lifr low clouds
and fog can be expected this morning along the coast from cape
blanco northward, and in the umpqua valley. Also, late night into
early morning patchy fog is possible again in the klamath basin.

After 15z, the stratus will begin to diminish withVFR expected
across the area from late morning into Saturday evening. Some low
clouds may return again late Saturday night. -spilde

Marine Updated 853 am pdt Saturday 21 september 2019... High
pressure offshore and a thermal trough along the coast will persist
through this evening. Gusty north winds will lead to steep seas
hazardous to small craft south of port orford.

Conditions improve tonight into Sunday as the thermal trough pattern
gets interrupted ahead of the next front. The front is expected
Sunday. Winds will briefly turn southerly ahead of this front, but
are expected to remain below advisory level. Expect a period of
showers and the possibility of thunderstorms as the front moves
inland Sunday afternoon and evening. Seas will also build with this
frontal passage as northwest swell moves into the waters. Monday
into Wednesday, the thermal trough quickly redevelops, bringing the
return of northerly winds (possible gales) and steep wind driven
seas, especially south of CAPE blanco. The next disturbance is
expected around Thursday and may be accompanied by a building, large
northwest swell. -spilde sven

Prev discussion issued 330 am pdt Sat sep 21 2019

satellite shows fog and stratus forming over the umpqua valley and
the central coast this morning. In fact, north bend is currently
reporting 1 4 mile visibility and fog. In addition, some upper
level clouds are moving through east of the cascades. With the
light winds, cool temperatures and recent rainfall, we still feel
patchy frost will form later this morning in valleys east of the
cascades. As for the remainder of the day, temperatures will push
into the lower 70's and the lower 80's in some of the valleys west
of the cascades.

Sunday will turn wetter with a low and weak cold front approaching
the coast. It looks like the cold front will move onshore during
the late morning hours. The key talking point here is that most of
the rain will probably fall in the afternoon for areas farther
inland. For areas east of the cascades, Sunday should be pretty
nice before the rain finally moves during the late afternoon and
early evening. We'll see around 0.1 to 0.25 inches of rain with
the higher totals located farther north in the umpqua valley and
along the coastal range. There is still a slight chance for some
thunderstorms on Sunday as this low moves through. Potential
instability will be pretty low, so lightning activity should be
low and limited across the region.

After this low passes through, we'll see high pressure and quiet
weather for the start of the work week until roughly Thursday.

Some model guidance suggests this is when we'll have a slight
chance for some showers moving through the region. The best chance
will in fact be around Friday when all the models show a deep low
over oregon. The other noteworthy feature here is snow levels
will be around 5500 to 6500 feet when this low hovers over the
region. Therefore, mt ashland and crater lake will likely see some
accumulating snow next weekend. Just another sign that fall is
right around the corner.


Mfr watches warnings advisories
Or... None.

Ca... None.

Pacific coastal waters... Small craft advisory until 5 am pdt Sunday for pzz356-376.

Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brookings, Brookings Airport, OR118 mi72 minN 010.00 miFair65°F50°F59%1018.1 hPa

Link to 5 minute data for KBOK

Wind History from BOK (wind in knots)
Last 24hrNW6NW10NW12NW14NW10NW10NW11
1 day agoCalmW9NW13NW10NW11
2 days ago4335CalmW6W7NW4NW5N3NE3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmW3

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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GEOS Local Image of PacificNorthwest    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Medford, OR (13,3,4,5)
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Ground Weather Radar Station Eureka, CA
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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 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 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.