Sunday, March7, 2021
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Marine Weather and Tides
Port Orford, OR

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:40AMSunset 6:15PM Sunday March 7, 2021 1:33 PM PST (21:33 UTC) Moonrise 3:22AMMoonset 12:16PM Illumination 32% Phase: Waning Crescent; Moon at 24 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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PZZ356 Coastal Waters From Cape Blanco Or To Pt. St. George Ca Out 10 Nm- 845 Am Pst Sun Mar 7 2021
.small craft advisory in effect until 4 pm pst this afternoon...
.hazardous seas warning in effect from 4 pm pst this afternoon through late tonight...
Today..SW wind 5 to 10 kt...veering to W late afternoon. Wind waves 3 to 4 ft. W swell 8 ft at 12 seconds...building to 10 to 11 ft at 14 seconds in the afternoon. Scattered showers.
Tonight..N wind 5 kt...backing to S after midnight. Wind waves 2 ft or less. W swell 13 to 15 ft at 16 seconds...building to 16 to 17 ft at 16 seconds after midnight.
Mon..S wind 10 to 20 kt...rising to 15 to 25 kt in the late morning and early afternoon, then...becoming 15 to 20 kt late in the afternoon. Wind waves 3 to 4 ft. W swell 13 to 16 ft at 15 seconds. Showers and slight chance of tstms.
Mon night..S wind 20 to 25 kt except S 15 kt within 5 nm of brookings southward. Wind waves 4 to 6 ft. W swell 11 to 13 ft. Showers and slight chance of tstms.
Tue..S wind 15 to 25 kt...becoming 15 to 20 kt in the afternoon. Wind waves 5 to 6 ft. W swell 10 to 11 ft. Showers and slight chance of tstms.
Tue night..S wind 10 to 15 kt...backing to se 5 to 10 kt after midnight. Wind waves 5 ft...subsiding to 3 to 4 ft after midnight. W swell 9 to 10 ft. Chance of showers through the night.
Wed..NE wind 5 kt...becoming N 15 to 20 kt. Wind waves 2 ft or less...becoming 5 ft. W swell 8 ft...subsiding to 6 ft.
Thu..N wind 15 to 20 kt. Wind waves 5 ft... Subsiding to 3 ft in the afternoon, then...building to 5 ft in the evening... Subsiding to 3 ft after midnight. NW swell 4 ft.
PZZ300 845 Am Pst Sun Mar 7 2021
Synopsis for the southern oregon coastal waters...winds will continue to diminish this morning while seas will remain steep and transition to swell dominated this morning and afternoon. A very high and very steep long period west-northwest swell builds in the waters today, peaking late this evening into early Monday morning. SWell will lower Monday, but a series of fronts will move across the waters Monday through Tuesday with high and steep seas expected to continue. These fronts will also bring gusty south winds, rain and a slight chance for Thunderstorms.


7 Day Forecast for Marine Location Near Port Orford, OR
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location: 42.74, -124.5     debug


Area Discussion for - Medford, OR
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FXUS66 KMFR 071642 AFDMFR

Area Forecast Discussion National Weather Service Medford OR 840 AM PST Sun Mar 7 2021

UPDATE. Updated Marine Discussion.

DISCUSSION. Onshore winds were reporting higher than currently forecast by about 4 mph, so raised those. Also raised winds along higher terrain by the same amount. The remnants of the front is currently moving over the Cascades, as it does winds will become more westerly within the showery post frontal environment. Afternoon winds east of the Cascades were also raised to coincide with the decaying frontal passage. While sustained winds may be fairly light, the potential for 15 to 20 mph gusts will exist.

As for sky cover, reduced it for areas west of the Cascades with satellite showing a gap in the cloud cover offshore. Clouds should continue to build and decay with regularity along the regions higher terrain, but with valleys having more of a chance for gaps in cloud cover. Then in the mid-afternoon more substantial cloud cover should build back in.

About two hours ago there was a lightning strike reported just beyond 60 NM, the western extent of our marine zone. The cell it was associated with has enhanced on IR satellite as it moves towards shore and has not produced anymore lightning. Other cells around it have not had any lightning activity, so am thinking it was just a one-off. Therefore have not added a slight chance for Tstorms to the marine waters this afternoon. Details on the remainder of the forecast can be found below. -Miles

AVIATION. For the 07/12Z TAF Cycle . Overall conditions are generally VFR this morning. However, a cold front is moving through the area this morning, bringing areas of MVFR cigs along the front as well as terrain obscurations, especially along of and west of the Cascades. This front is weakening as it moves farther inland and little to no precipitation is expected east of the Cascades and VFR conditions will persist there. Once the front fizzles out, expect any lower conditions to improve to VFR later this morning and afternoon. /BR-y

MARINE. Updated 800 AM PST Sunday 07 Mar 2021 . Winds will continue to diminish this morning while seas will remain steep and transition to swell dominated this morning and afternoon. A very high and very steep long period west-northwest swell builds in the waters today, peaking late this evening into early Monday morning at 16 to 18 ft. Swell will lower Monday, but a series of disturbances will continue Monday and Tuesday with high and steep seas expected to continue. On Monday, a cold front will bring gusty south winds, rain and a slight chance for thunderstorms to the waters. Another front moves across the waters Monday night and Tuesday with increased south winds, rain and additional chances for thunderstorms. Winds are likely to become northerly Tuesday night with seas diminishing but becoming dominated by northerly wind seas as high pressure builds toward the area. North winds Wednesday into Thursday will be strongest south of Cape Blanco. The pattern may turn active again at the end of the week. -CC/BR-y

PREV DISCUSSION. /Issued 334 AM PST Sun Mar 7 2021/

DISCUSSION . A cold front is moving inland currently. KMAX is showing a fairly healthy, but narrow rain band associated with the front stretching from near Roseburg south through the Illinois Valley. Surface observations indicated around 0.10-0.30"/hr rainfall rates occurred within the band as it pushed onto the coast in the last hour or so. However, as the front pushes eastward to the Cascades early this morning, the upper support for the front will head into SW Canada. As a result, we expect the front/rain band to fall apart such that little, if any, precipitation makes it east of the Cascades today. In fact, what's left of the front this morning will barely bring rainfall to Medford/Ashland (maybe the type that just manages to wet the ground in some places with up to a few clicks in a few area gauges). Snow levels are running around 2000 feet, but could be down around 1500 feet early this morning, especially in the Illinois Valley near Hayes Hill in the rain band during the next hour or so. Similar to yesterday though, with ground temperatures expected to be above freezing, we're not expecting any impactful road accumulation. Precipitation will taper off to showers later this morning with just some isolated to scattered showers lingering into this afternoon, mainly over higher terrain and north of the Umpqua Divide. Most areas will have at least partial sunshine this afternoon. Overall, expect highs a bit below normal -- in the low to mid 50s for most west side valleys and in the mid to upper 40s over the east side.

We'll have a break tonight and it could get just cold enough (lows in the mid 30s) for frost potential just inland from the coast in Coos/Curry Counties. Haven't issued a frost advisory, however, due to lower confidence in the duration of those temperatures. The necessary 3 hour duration is unlikely and would put the probability at around 15-20%.

A vertically stacked closed low centered near 48N and 136W early Monday morning will drop slowly south-southeastward offshore Monday into Tuesday. This will keep unsettled weather across the forecast area with some showers, most numerous along the coast and in SW portions of the area including Siskiyou County. Inland areas will likely see most activity during the afternoons as instability will be maximized then. Speaking of instability, models continue to show the potential for thunderstorms over the coastal waters beginning Monday and continuing there into Tuesday. A few of the stronger cells that get going could push into Coos/Curry Counties. It should be noted that due to the cold air mass aloft, that any of the stronger showers will have the ability to produce small hail/graupel as is often the case in these parts during the late winter and into spring. Snow levels during this period will be mostly 2000-3000 feet, highest during the daytime and lowest during the late night hours. We aren't expecting a lot of snow with this system, but there could be some impactful snow in portions of western and south-central Siskiyou County. Preliminary indications are for potential advisory amounts near Mount Shasta City with 2-5 inches occurring Monday night into Tuesday morning. We'll monitor this potential and consider winter headlines over the coming shifts.

The closed low will continue to push SSE off the California Coast on Wednesday. Lingering instability could still trigger scattered showers during the day, but expect these to shut off around sunset Wednesday evening as instability wanes and the low moves farther away. Upper ridging will then build into the area Thursday into Friday with likely dry and milder weather. It is still in question how long the ridge will persist, however. -Spilde

MFR WATCHES/WARNINGS/ADVISORIES. OR . High Surf Advisory from 1 PM this afternoon to 7 AM PST Monday for ORZ021-022.

CA . None.

Pacific Coastal Waters . Small Craft Advisory until 4 PM PST this afternoon for PZZ350-356-370-376. Small Craft Advisory from 4 AM Monday to 4 PM PST Tuesday for PZZ350-356-370-376. Hazardous Seas Warning from 4 PM this afternoon to 4 AM PST Monday for PZZ350-356-370-376.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PORO3 - 9431647 - Port Orford, OR 0 mi45 min S 8.9 G 11 49°F 50°F1025.4 hPa
46015 - Port Orford - 16 NM West of Port Orford, OR 18 mi33 min S 9.7 G 14 49°F 1023.8 hPa (+0.0)37°F
SNTO3 38 mi63 min SW 7 51°F 1025 hPa37°F
CHAO3 - 9432780 - Charleston, OR 43 mi57 min S 1.9 G 7 1024.1 hPa

Wind History for Port Orford, OR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brookings, Brookings Airport, OR47 mi37 minSW 510.00 miMostly Cloudy50°F38°F63%1023.5 hPa

Link to 5 minute data for KBOK

Wind History from BOK (wind in knots)
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Last 24hrS8SE9S7S7SE6SE6SE56SE8SE12SE9
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NW4E433E3SE334E3SE4CalmSW5
1 day agoN3CalmCalm45E765
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NE7N4CalmCalmCalmCalmE333Calm3SE4E3SE8SE10S7
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W4Calm

Tide / Current Tables for Port Orford, Oregon
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Port Orford
Click for Map
Sun -- 03:22 AM PST     Moonrise
Sun -- 05:51 AM PST     7.35 feet High Tide
Sun -- 06:42 AM PST     Sunrise
Sun -- 12:15 PM PST     Moonset
Sun -- 01:31 PM PST     0.01 feet Low Tide
Sun -- 06:15 PM PST     Sunset
Sun -- 08:37 PM PST     5.39 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.94.24.95.76.67.27.376.14.83.31.80.70.10.10.61.62.844.85.35.45.14.6

Tide / Current Tables for Wedderburn, Rogue River, Oregon
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Wedderburn
Click for Map
Sun -- 03:20 AM PST     Moonrise
Sun -- 05:56 AM PST     6.54 feet High Tide
Sun -- 06:42 AM PST     Sunrise
Sun -- 12:16 PM PST     Moonset
Sun -- 01:38 PM PST     -0.01 feet Low Tide
Sun -- 06:15 PM PST     Sunset
Sun -- 08:32 PM PST     4.86 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.23.54.14.95.76.36.56.35.54.431.70.70.100.51.42.53.64.44.84.84.54

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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