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Marine Weather and Tides South Bend, WA 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

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Sunrise 6:22AM

Sunset 8:12PM

Saturday August 24, 2019 5:22 PM PDT (00:22 UTC)

Moonrise 11:54PM

Moonset 2:41PM

Illumination 30%

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.

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7 Day Forecast for Marine Location Near South Bend, WA

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Area Discussion for - Portland, OR

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Fxus66 kpqr 242110 afdpqr area forecast discussion national service portland or 210 pm pdt Sat aug 24 2019 Synopsis Another weak upper level disturbance will slide by to the north of the area late tonight and early Sunday, bringing seasonable temperatures to the region. High pressure aloft begins to rebuild and strengthen late Sunday and through early next week over the pacific northwest, with above normal temperatures across the region expected. Short term Saturday through Monday... A westerly flow aloft Saturday afternoon is expected to continue into Sunday. A weak shortwave, following on the heels of todays, is expected to cross washington early Sunday. A weak front with todays system has left a band of clouds in the low to mid level moisture across the NW part f the forecast area Saturday afternoon. Klgx radar and surface observations showed isolated weak showers over southwest washington and the far north part of the oregon coast range. Will keep a low pop this evening for the south washington cascades as the remains of the front continue to push inland. With a continuation of low level onshore enhanced by a weak shortwave in the north, expect to see shallow marine clouds redevelop overnight along the southern part of the coast, and push locally inland up the lower columbia late tonight and early Sunday. With the modest reinforcement of marine air overnight, expect temperatures Sunday similar to Saturdays highs. Sunday night through Tuesday models agree on the upper flow turning northwest as an upper ridge builds offshore and eventually shifts inland as a negative tilt ridge. A thermal induced surface trough is expected to build up the coast Sunday night and Monday in response to the upper level ridging, turning the low level flow more northerly with time. This will reduce considerably any prospects for a return of marine clouds Sunday night and Monday night. Warming temperatures in this pattern will see temperatures climbing Monday and Tuesday, with 850 mb temperatures reaching 22c by 00z, suggesting highs well into the 90s by Tuesday afternoon despite a bit of a mid level subsidence inversion suggested in the model soundings limiting temperatures to something a little less than what might otherwise be expected for the 850 mb temperatures with an offshore flow. Long term Tuesday night through Saturday... A negatively tilted high pressure ridge continues to build over the west coast through Wednesday. As the ridge builds on Wednesday, skies are expected to be clear which will raise temperatures into the 90s. On Thursday, conditions begin to shift as a shortwave trough moves through the flow around the ridge. As this shortwave advances towards the west

coast, models begin to diverge which impacts confidence on Thursday and Friday. The ECMWF brings the shortwave inland farther and faster on Thursday, while the GFS keeps a majority of the energy off shore of the northern oregon coast. However, with either solution this pattern is generally favorable for convective activity, so a slight chance of thunderstorms and showers are forecast on Thursday afternoon along the cascade crest. On Friday night into Saturday, a front along the leading edge of an alaskan low will approach the west coast which may bring a chance of showers to the coast. Aviation Expect MVFR conditions along the coast, once developed today, will persist overnight. Inland areas are mostly expected to remainVFR through the next 24 hours, except for a good chance that MVFR CIGS develop and spread up the lower columbia past kpdx and kttd after 10z. Except the north coast, expectVFR conditions to return by about 17z Sunday. The north coast may remain MVFR through the day Sunday. Kpdx and approaches...VFR conditions are likely to prevail through this evening. There is a good chance for seeing MVFR ceilings with marine clouds spreading into the area after 11z Sunday morning. Bowen Marine A decaying cold front has weakened the high pressure system over the NE pacific, so winds will be lighter across the coastal waters today with speeds 15 kt or less. As this front dissipates, high pressure will reassert itself over the ne pacific, causing n-nw winds to increase across our coastal waters Sunday. Winds above 20 kt are likely to continue uninterrupted through the first part of next week as both the high pressure system over the NE pacific and a thermal trough over SW oregon intensify. Increasing wind wave component will result in increasingly choppy seas Sunday and Monday. The thermal trough over southern oregon is modeled to build northward into the north oregon waters toward the middle of next week. This may push the stronger winds further offshore Wednesday, while lighter offshore flow prevails for the coastal waters. Bowen Pqr watches warnings advisories Or... None. Wa... None. Pz... Small craft advisory from noon to 11 pm pdt Sunday for coastal waters from cascade head or to florence or out 60 nm. Interact with us via social media:

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
TOKW1 - 9440910 - Toke Point, WA	8 mi	59 min	WNW 11 G 15	65°F	67°F		1017.7 hPa
WPTW1 - 9441102 - Westport, WA	21 mi	47 min	WNW 14 G 15	62°F	63°F		1017.5 hPa
46211 - Grays Harbor, WA (036)	25 mi	53 min			62°F	5 ft
ASTO3 - 9439040 - Astoria, OR	33 mi	53 min	WSW 1.9 G 5.1	69°F	70°F		1017.3 hPa
46243 - Clatsop Spit, OR - 162	37 mi	53 min			68°F	5 ft
46099	45 mi	153 min	WNW 3.9	62°F			1017.5 hPa

Wind History for Toke Point, WA

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure
Hoquiam, Bowerman Airport, WA	22 mi	90 min	W 13	8.00 mi	Fair	69°F	57°F	68%	1017.4 hPa

Link to 5 minute data for KHQM

Wind History from HQM (wind in knots)

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Tide / Current Tables for Mailboat Slough, Willapa River, Washington

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Tide / Current Tables for Grays Harbor Entrance, Washington Current

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Weather Map and Satellite Images

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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

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Wind Forecast for Portland, OR (20,4,5,8)

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Ground Weather Radar Station Portland, OR

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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.