Seaside, OR Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Seaside, OR

April 12, 2024 2:55 PM PDT (21:55 UTC) Change Location
Sunrise 6:27 AM   Sunset 7:57 PM
Moonrise 7:37 AM   Moonset 12:00 AM 
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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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Marine Forecasts
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PZZ210 Columbia River Bar- 252 Pm Pdt Fri Apr 12 2024

.small craft advisory in effect until 2 am pdt Saturday - .

In the main channel -

General seas - 7 ft subsiding 6 ft Saturday evening.

First ebb - Ebb current of 3.13 kt at 826 pm Friday. Seas 6 to 7 ft.

SEcond ebb - Ebb current of 5.56 kt at 841 am Saturday. Seas 7 ft.

Third ebb - Ebb current of 2.48 kt at 922 pm Saturday. Seas 6 ft.

PZZ200 237 Am Pdt Fri Apr 12 2024

Synopsis for the southern washington and northern oregon coast - A low pressure system in the eastern pacific dives southward today bringing elevated northerly winds across the waters through the weekend. Then, expect a trough to drop south over the region early next week.


7 Day Forecast for Marine Location Near Seaside, OR
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Area Discussion for - Portland, OR
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FXUS66 KPQR 122139 AFDPQR

Area Forecast Discussion National Weather Service Portland OR 239 PM PDT Fri Apr 12 2024

SYNOPSIS
Mainly mild and dry conditions across the north, with scattered showers lingering over the Cascades and south Willamette Valley through Saturday as low pressure impacts northern California. A few thunderstorms are possible mainly along the Cascades Saturday afternoon. Mild and less showery weather expected for Sunday, then cooler and wetter into the beginning of next week as another system approaches from the northwest.

SHORT TERM
Through Sunday Night...Early morning clouds and drizzle have given way to plenty of sunshine across much of northwest Oregon and southwest Washington this afternoon, with temperatures climbing well into the 60s at many locations. A deep upper level low is noted off of the northern California coast, and this will remain the primary feature of interest in terms of our weather into this weekend. Visible satellite imagery shows mid and high level cloud cover streaming back over the Cascades and South Willamette Valley in southerly flow on the periphery of the low, with a few embedded showers noted on radar. Mainly expect these hit or miss showers to remain south and east of a roughly Mt Hood to Salem to Newport line through this evening, with minimal associated precipitation. Can't rule out a rumble of thunder or two in the Lane County Cascades through early this evening, but for the most part expect any thunderstorm activity to remain east of the Cascades.

Temperatures trend upward on Saturday as the upper low begins to shift inland over California and mid to upper level flow takes on more of an offshore component across the Pacific Northwest. This should help temperatures rise into the low to mid 70s across the interior valleys, though the coastal communities will likely stay moderated by the marine layer as low level flow remains onshore. The primary forecast concern for Saturday will be a chance for showers and a few thunderstorms across the Oregon Cascades and perhaps southern parts of the Willamette Valley Saturday afternoon and evening as wrap around moisture continues to stream into the area on the northern periphery of the low. Models depict precipitable water values around rising to 0.8-0.9 inches by Saturday afternoon, which would would fall roughly in the 90-95th percentile of climatology by mid April standards and could support locally heavy rain with some showers. Daytime heating will yield most unstable CAPE values around 300-500 J/kg along the Cascade crest, with enough bulk shear on the order of 20-30 kt to support a few potentially strong thunderstorms along the crest from roughly Mt Jefferson southward through Saturday evening.
Steering flow will be such that any storms that do develop could drift over the southern half of the Willamette Valley with time, but these storms would be likely to weaken as they encounter a less favorable environment with westward extent.

Temperatures will begin to trend cooler on Sunday as onshore flow returns to the region with the departure of the California upper low into the Great Basin. Temperatures will still likely make it into the mid to upper 60s across most of the area away from the coast, with lingering shower activity along the Cascades but no thunderstorms expected as more stable conditions develop with onshore flow. /CB

LONG TERM
Monday through Friday...Cooler and cloudier conditions are expected Monday and Tuesday as another upper grazes the region as it drops out of British Columbia into the northern Rockies. Expect high temperatures to run a few degrees below seasonal norms, generally in the mid to upper 50s both days. There will be a chance for light rain both Monday and Tuesday as the trough passes north of the region, but models depict minimal QPF through this period as moisture will generally be lacking. WPC ensemble clusters still show some variation on the specifics of the pattern beyond Tuesday, but all generally depict a warming and drying trend across the area as the trough departs into the central CONUS and a ridge of high pressure builds either over the eastern Pacific or directly over the Pacific Northwest. This is supported by nearly all individual ensemble members showing dry weather from Wednesday through Friday of next week, with NBM 50th percentile guidance right around 70 degrees each day. /CB

AVIATION
A decaying cold front now sits oriented SW-NE across Oregon with an area of low pressure across south Central Oregon.
This is keeping low/mid level clouds in place across the southern portion of the CWA, mainly impacting KEUG which is under MVFR CIGs . Conditions are expected to remain mostly VFR through the period as heights continue to rise and the low pressure to the south slowly shifts eastward. A stray shower or two could develop across the southern half of the CWA which is in closer proximity to the low center. KNOP and KEUG would likely be the terminals impacted but chances are low and therefore have left any mention of precip out of the forecast. Hi-res guidance suggests a low probability (20-30%) of MVFR or lower VIS and CIG for the area around the KNOP and KEUG terminals. Winds will be predominantly out of the north at 5-10 knots for the remainder of the day before becoming light and variable tonight then picking back up Saturday morning.

PDX AND APPROACHES...Expect predominately VFR conditions with some passing high clouds through the period. N/NW winds at 5-10 knots will prevail into the evening before relaxing and becoming light and variable overnight. -Batz

MARINE
A cut-off low continues to move toward California while riding across the northeast Pacific tries to build into OR/WA this afternoon. This has tightened the surface pressure gradient across the waters and will keep wind gusts in the 20-30 knot range for all zones. A Small Craft Advisory remains in effect fora ll waters through 2AM when the Columbia river bar will drop off followed by the inner waters at 5AM. Wind gusts remain within advisory criteria for the outer waters through Saturday and possibly longer, however, confidence is low at this time. A NW swell at 7-9 feet persists into Tuesday before relaxing to 4-6 feet around the middle of next week. -Batz/Schuldt



PQR WATCHES/WARNINGS/ADVISORIES
OR...None.
WA...None.
PZ...Small Craft Advisory until 2 AM PDT Saturday for PZZ210.
Small Craft Advisory until 5 AM PDT Saturday for PZZ251>253.
Small Craft Advisory until 5 PM PDT Saturday for PZZ271>273.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
46243 - Clatsop Spit, OR - 162 18 mi29 min 53°F5 ft
46278 31 mi55 min 53°F 53°F6 ft
TLBO3 - 9437540 - Garibaldi, Tillamook Bay, OR 31 mi55 min 53°F29.75
46248 - Astoria Canyon, OR (179) 39 mi29 min 52°F7 ft
TOKW1 - 9440910 - Toke Point, WA 49 mi55 min NNE 6G13 56°F 54°F29.85


Wind History for Astoria, OR
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KAST ASTORIA RGNL,OR 11 sm60 minN 0510 smClear61°F46°F59%29.77
Link to 5 minute data for KAST


Wind History from AST
(wind in knots)
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Tide / Current for Seaside, 12th Avenue bridge, Necanicum River, Oregon
   
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Seaside
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Fri -- 12:28 AM PDT     Moonset
Fri -- 03:01 AM PDT     6.02 feet High Tide
Fri -- 06:33 AM PDT     Sunrise
Fri -- 08:37 AM PDT     Moonrise
Fri -- 11:27 AM PDT     -0.43 feet Low Tide
Fri -- 04:50 PM PDT     4.31 feet High Tide
Fri -- 07:59 PM PDT     Sunset
Fri -- 11:07 PM PDT     1.05 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Seaside, 12th Avenue bridge, Necanicum River, Oregon, Tide feet
12
am
2.2
1
am
3.9
2
am
5.4
3
am
6
4
am
5.8
5
am
5.2
6
am
4.3
7
am
3.1
8
am
1.9
9
am
0.8
10
am
0
11
am
-0.4
12
pm
-0.3
1
pm
0.5
2
pm
1.9
3
pm
3.2
4
pm
4.1
5
pm
4.3
6
pm
4
7
pm
3.4
8
pm
2.6
9
pm
1.9
10
pm
1.3
11
pm
1.1



Tide / Current for Astoria (Youngs Bay), Columbia River, Oregon
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Astoria (Youngs Bay)
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Fri -- 12:28 AM PDT     Moonset
Fri -- 03:53 AM PDT     9.41 feet High Tide
Fri -- 06:33 AM PDT     Sunrise
Fri -- 08:36 AM PDT     Moonrise
Fri -- 11:01 AM PDT     -0.87 feet Low Tide
Fri -- 05:29 PM PDT     7.03 feet High Tide
Fri -- 07:59 PM PDT     Sunset
Fri -- 10:44 PM PDT     2.81 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Astoria (Youngs Bay), Columbia River, Oregon, Tide feet
12
am
4.1
1
am
6
2
am
7.8
3
am
9
4
am
9.4
5
am
8.8
6
am
7.2
7
am
5.1
8
am
2.8
9
am
1
10
am
-0.4
11
am
-0.9
12
pm
-0.4
1
pm
0.9
2
pm
2.8
3
pm
4.6
4
pm
6.1
5
pm
6.9
6
pm
6.9
7
pm
6.1
8
pm
4.9
9
pm
3.8
10
pm
3
11
pm
2.8




Weather Map
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GEOS Local Image of Pacific Northwest   
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Portland, OR,



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