Friday, August23, 2019 L-36.com


Marine Weather and Tides
Westport, OR

Version 3.4
NOTICE
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 L-36.com. Allen

Sunrise 6:19AMSunset 8:09PM Friday August 23, 2019 6:30 AM PDT (13:30 UTC) Moonrise 11:14PMMoonset 1:31PM Illumination 45% Phase: Third Quarter Moon; Moon at 23 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
    EDIT      (on/off)   Help
PZZ210 Columbia River Bar- 225 Am Pdt Fri Aug 23 2019
In the main channel.. - general seas...around 3 to 5 feet through Friday. - first ebb...around 1015 pm Thursday. Seas building to 7 feet. - second ebb...around 1030 am Friday. Seas building to 5 feet. - third ebb...around 1115 pm Friday. Seas building to 5 feet.
PZZ200 225 Am Pdt Fri Aug 23 2019
Synopsis for the southern washington and northern oregon coast.. High pressure over the waters with a thermal low along the north california and south oregon coast will continue through Friday. A trough temporarily weakens the high pressure during the weekend.


7 Day Forecast for Marine Location Near Westport, OR
   Hourly   EDIT   Help
location: 46.15, -123.31     debug


Area Discussion for - Portland, OR
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus66 kpqr 231155
afdpqr
area forecast discussion... Update
national service portland or
455 am pdt Fri aug 23 2019
updated aviation discussion

Synopsis Seasonable weather through this weekend, with areas of
morning clouds. Warmer weather is expected next week with interior
temperatures likely warming into the upper 80s to lower 90s.

Short term Today through Monday... Satellite imagery shows mostly
clear skies early this morning with stratus forming just offshore of
the south washington coast. Light north to northwest winds should
expand the stratus south along the coast and inland up the lower
columbia river valley this morning, but do not expect the low clouds
to make it to the portland vancouver metro area due to an upper
ridge. Increased sunshine this morning will allow for slightly warmer
temperatures this afternoon than what was observed yesterday
(Thursday).

An upper trough approaching british columbia will flatten the upper
ridge today for a more zonal weather pattern that will persist
through Sunday. A surface low associated with the upper trough to the
north will form a weak surface front that will brush by the south
washington coast and willapa hills on Saturday. This will result in
increased clouds along the coast and extreme SW washington, and
occasional light rain. This weak front and clouds will result in
slight cooling Saturday afternoon. Seasonal weather is expected for
Sunday with clouds returning to the coast and parts of the willamette
valley in the morning and clearing in the afternoon continuing
seasonal temperatures, that will be slightly warmer than Saturday.

The upper ridge begins to amplifies on Monday beginning a warming
trend. ~tj

Long term No changes. Previous discussion follows... Monday night
through Thursday... Stronger ridging builds next week, but confidence
remains low in exactly how hot temperatures will get. Models diverge
by Tuesday regarding the location and strength of thermal troughing,
which will have a significant impact on temperatures. If troughing
builds such that we end up with strong offshore flow, temperatures
next week could be quite hot - at least in the mid 90s for a day or
two. But if offshore flow is limited, temperatures will remain
slightly more moderate, maybe reaching 90 for a couple of days. The
place with the biggest swing based on the flow pattern will be the
coast, which can get just as hot or even hotter than inland areas
with strong offshore flow but otherwise remains quite moderate.

Didn't make a ton of changes to the forecast temperatures in the long
term period due to significant model changes in the last 24 hours and
previously mentioned model discrepancies. Bowen

Aviation GenerallyVFR conditions across the area. Spotty
MVFR CIGS near 1000 feet along with patchy ifr fog are possible
at coastal locations through 16z. MVFR CIGS return to the coast
late this afternoon but more likely tonight. For inland
locations expectVFR conditions through tonight. However may see
some patchy fog or stratus mainly in deeper valleys in the
mountains early this morning.

Kpdx and approaches...VFR prevailing next 24 hours. However expect
occasional CIGS around 1100-1500 feet from kttd to kuao area. May
also reach kpdx. Should be gone by 16-17z. Light winds becoming
northwest around 10 kt later this afternoon through evening hours.

Mh

Marine High pressure over the waters will weaken this
morning, relaxing the winds over the waters. The high pressure
continues weaken into the weekend as a weak trough moves
through. The high pressure strengthens again early next week for
a return to a more typical summer pattern.

Seas around 6 feet will continue through the weekend, the likely
build a couple of feet as more persistent northerly winds develop
early next week. Mh

Pqr watches warnings advisories
Or... None.

Wa... None.

Pz... Small craft advisory until 8 am pdt this morning for waters
from cascade head to florence or from 10 to 60 nm.

Interact with us via social media:

Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LOPW1 - 9440422 - Longview, WA 19 mi48 min 70°F1015.5 hPa
ASTO3 - 9439040 - Astoria, OR 25 mi48 min NNE 5.1 G 7 57°F 69°F1015.2 hPa
46096 43 mi50 min N 16 G 18 54°F 62°F1015.2 hPa
46243 - Clatsop Spit, OR - 162 44 mi30 min 62°F4 ft

Wind History for Longview, WA
(wind in knots)    EDIT      (on/off)   Help
Last
24hr
1 day
ago
2 days
ago

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports. Follow links for more data.
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Washington Regional Airport, WA22 mi34 minWNW 310.00 miFair50°F48°F96%1016.1 hPa

Link to 5 minute data for KKLS

Wind History from KLS (wind in knots)
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
Last 24hrCalmCalmCalmCalm4Calm366NW536N6CalmCalm3NW3CalmCalmCalmN3CalmCalmNW3
1 day ago6SE8S64S6SE9SE6S9
G14
S10S10S4S44W5NW44CalmW3W33N4CalmCalmCalm
2 days agoNW3CalmCalmSE5S9S8S5S64W76NW7W6NW4NW4CalmCalmCalmCalmSE3CalmS3SE9S7

Tide / Current Tables for Knappa, Knappa Slough, Columbia River, Oregon
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Knappa
Click for Map
Fri -- 02:20 AM PDT     0.88 feet Low Tide
Fri -- 06:23 AM PDT     Sunrise
Fri -- 07:58 AM PDT     Last Quarter
Fri -- 08:12 AM PDT     5.29 feet High Tide
Fri -- 01:57 PM PDT     1.90 feet Low Tide
Fri -- 02:32 PM PDT     Moonset
Fri -- 07:43 PM PDT     7.25 feet High Tide
Fri -- 08:09 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
2.11.30.911.72.944.95.35.14.53.62.72.11.92.23.24.76.17.17.26.85.94.5

Tide / Current Tables for Settlers Point, Columbia River, Oregon
   EDIT      (on/off)   Help   One Week of Data
Settlers Point
Click for Map
Fri -- 02:15 AM PDT     0.92 feet Low Tide
Fri -- 06:23 AM PDT     Sunrise
Fri -- 07:58 AM PDT     Last Quarter
Fri -- 08:05 AM PDT     4.95 feet High Tide
Fri -- 01:52 PM PDT     2.11 feet Low Tide
Fri -- 02:32 PM PDT     Moonset
Fri -- 07:36 PM PDT     6.98 feet High Tide
Fri -- 08:10 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
21.20.91.11.82.93.94.64.94.84.23.52.72.22.12.53.44.86.16.86.96.55.54.2

Weather Map and Satellite Images
       (on/off)   HelpWeather Map
wmap_P
GOES 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 Portland, OR (9,2,3,4)
      (on/off)   Help

Ground Weather Radar Station Portland, OR
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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.