Sunday, February28, 2021
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Marine Weather and Tides
Harbor, 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 6:47AMSunset 6:03PM Sunday February 28, 2021 8:39 PM PST (04:39 UTC) Moonrise 8:00PMMoonset 8:01AM Illumination 94% Phase: Waning Gibbous; Moon at 17 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- 205 Pm Pst Sun Feb 28 2021
.small craft advisory in effect from Monday evening through late Tuesday night...
Tonight..NW wind 5 to 15 kt...backing to W 5 kt after midnight, then...backing to S late tonight. Wind waves 2 ft or less. NW swell 6 to 8 ft at 12 seconds.
Mon..S wind 5 to 10 kt. Wind waves 2 ft or less. Mixed swell nw 5 to 6 ft at 12 seconds and W 3 ft at 17 seconds...building to 7 ft at 15 seconds in the afternoon.
Mon night..SE wind 5 kt...backing to N in the late evening and overnight. Wind waves 2 ft or less. NW swell 7 to 9 ft at 14 seconds.
Tue..N wind 5 to 15 kt. Wind waves 2 ft or less. NW swell 8 to 11 ft.
Tue night..N wind 5 to 15 kt. Wind waves 3 ft. NW swell 9 to 11 ft.
Wed..N wind 5 to 10 kt...backing to nw in the afternoon. Wind waves 2 ft or less. NW swell 7 to 9 ft.
Wed night..NW wind 5 kt...backing to S after midnight. Wind waves 2 ft or less. NW swell 7 to 8 ft.
Thu..S wind 15 to 20 kt...rising to 30 kt. Wind waves 3 ft... Building to 12 ft. W swell 10 to 11 ft.
Fri..S wind 30 kt...easing to 15 kt. Wind waves 13 to 14 ft... Subsiding to 10 to 11 ft. W swell 10 to 11 ft.
PZZ300 205 Pm Pst Sun Feb 28 2021
Synopsis for the southern oregon coastal waters...conditions will remain relatively calm under high pressure tonight through Monday evening, with periods of fog and low clouds possible. A weak system is expected to pass through the region Monday night into Tuesday, and while winds should be light, steep seas are expected Tuesday through Tuesday night. Conditions improve Wednesday, but a much stronger front is expected to arrive late in the week, with gales and very steep seas possible as early as Thursday.


7 Day Forecast for Marine Location Near Harbor, OR
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location: 42.05, -124.27     debug


Area Discussion for - Medford, OR
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FXUS66 KMFR 010425 AFDMFR

Area Forecast Discussion National Weather Service Medford OR 825 PM PST Sun Feb 28 2021

DISCUSSION. The only change to the forecast was to add fog to the marine waters. We are not expecting it to be very thick or concentrated and therefore went with patchy wording. The fog should break up with sunrise, but could hold longer along the coast in protected coves and along higher terrain features. -Miles

AVIATION. For the 01/00Z TAF Cycle . VFR conditions will prevail through Monday morning. But, similar to last night and this morning, areas of IFR fog and low clouds will redevelop tonight over some west side valleys, including Roseburg. Notably, though, the air mass should be dry enough to support VFR at Medford, with only patchy shallow fog on the edges of the Rogue Valley around sunrise Monday. Expect some marine layer to develop after 07z along the coast resulting in IFR stratus at North Bend. Klamath Falls will be VFR for the next 24 hours. -Spilde/Miles

MARINE. Updated 800 PM PST Sunday 28 Feb 2021 . Conditions will remain relatively calm under high pressure tonight through Monday evening, with periods of fog and low clouds possible. A weak system is expected to pass through the region Monday night into Tuesday, and while winds should be light, northwest swell will increase, and seas should become steep at 10 to 13 feet with a period of 14 to 15 seconds Tuesday through Tuesday night.

Conditions improve Wednesday, but a much stronger front is expected to arrive sometime Thursday night into Friday night. The timing of the front is still uncertain, but gale force winds and very steep seas are possible as early as Thursday and as late as Friday evening. Models are forecasting wind-driven seas as high as 20 feet with this system. -BPN/CC

PREV DISCUSSION. /Issued 252 PM PST Sun Feb 28 2021/

SHORT TERM . This afternoon through Tuesday night . Sunny skies prevail across the area this afternoon as upper level ridging builds over the region. Tranquil weather is in store for the remainder of the day and overnight. Some low clouds and fog are likely to develop in similar places again tonight, but overall temperatures tonight will trend warmer as ridging breaks to the east late tonight into Monday morning as flow becomes more southwesterly.

An upper level trough approaches the region Monday, but will split before moving inside of 130 W. Most of the energy will move southward and form a closed low well off the coast of California with the effects of the closed low remaining well south and west of the area. The northern portion of the energy will be much weaker and move through the area as a dry front late Monday into Tuesday. All guidance now shows dry solutions for this time frame, so have removed any mention of precipitation potential for the whole forecast area for Monday into Tuesday. There will be an increase in afternoon breezes Monday, especially in the Shasta Valley and across the East Side, but it doesn't look like conditions will meet advisory criteria with winds expected to gust around 20 to 30 mph.

Aside from the increased breezes and cloud cover expected Monday, the weather will be relatively quiet during the short term. Winds ease Monday night, and there will likely be another round of morning fog and low clouds for west side valleys Tuesday morning. However, much like today, clouds/fog should burn off during the late morning hours and sunny skies are expected in the afternoon with seasonable temperatures. /BR-y

LONG TERM . Wednesday through Sunday, March 3-7, 2021 . On Wednesday, a closed low will be off the southern California coast with the northern branch of the jet well to our north. Our forecast area will remain between these two features and this will result in a fine early March day with some sunshine. It'll be chilly (cold east side) in the morning, but we expect a seasonably mild afternoon.

The closed low to the south will get a kick toward the north and east and move onshore into SoCal Wednesday night, eventually pushing across the Four Corners region on Thursday. This will allow an upper ridge axis to nose into the Great Basin and strengthen into Thursday night. Broad southwest flow aloft will develop over the Pacific Northwest Thursday, resulting in the mildest day of the stretch for most areas of SW Oregon and northern California. Expect highs largely in the 50s over the east side and in NE California, with low to mid 60s for most west side valley locations.

Meanwhile, the next upper trough and associated closed low will drop southward to around 50N and 140W with a healthy frontal system (supported by a 130-140kt jet) approaching the PacNW coast late Thursday/Thursday night. Precipitation chances are expected to be minimal Thursday since the frontal system will remain largely offshore. But, increasing pressure gradients are likely to result in breezy to windy conditions in the usual areas, windiest along the coast and especially over the coastal waters.

We have high confidence in a moderate to strong front pushing onshore Friday-Saturday, which will result in precipitation from the coast to the Cascades. Support for the front will weaken though as it moves onshore, so there is some uncertainty with just how far inland precipitation will get. Early indications are that the most likely rain amounts for coastal areas will be in the 1-3 inch range, highest in the Curry coastal mountains. But, there'll likely be a rapid drop off in precip amounts farther inland. With models showing 700mb winds in the 45-60kt range, wind headlines may be necessary for some of the usually windy locations. That could also mean here in Medford/Ashland if winds align just right with the valley. The good news is that winter impacts appear minimal at this time. With snow levels generally expected to be in the 4-6K foot range, any snow impacts will be mostly at or above the main passes. Even then, snow amounts don't look all that heavy.

The more active pattern is expected to continue over the weekend with another front moving onshore Sunday. -Spilde

MFR WATCHES/WARNINGS/ADVISORIES. OR . CA . None.

Pacific Coastal Waters . Small Craft Advisory from 7 PM Monday to 4 AM PST Wednesday for PZZ350-356-370-376.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46027 - ST GEORGES - 8NM West Northwest of Crescent City, CA 15 mi40 min NNW 14 G 18 48°F1022.4 hPa (-1.2)
CECC1 - 9419750 - Crescent City, CA 21 mi58 min N 1.9 G 2.9 46°F 49°F1022.1 hPa
PORO3 - 9431647 - Port Orford, OR 49 mi52 min NW 8.9 G 12 45°F 47°F1023.4 hPa

Wind History for Crescent City, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brookings, Brookings Airport, OR2 mi44 minN 010.00 miFair44°F42°F93%1022 hPa
Crescent City, Jack McNamara Field Airport, CA18 mi44 minNW 44.00 miFog/Mist45°F43°F93%1022 hPa

Link to 5 minute data for KBOK

Wind History from BOK (wind in knots)
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Last 24hrN5CalmCalmCalmE3CalmCalmCalmNE3NE3CalmCalmCalmW3W53Calm6W5--S4S3E3Calm
1 day agoCalmCalmNW4CalmNW3CalmCalmCalmCalmCalmNE3N353N8
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2 days agoNW6N3CalmCalmCalmCalmCalmNE3SW3CalmSE4CalmNW7NW14
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Tide / Current Tables for Brookings, Chetco Cove, Oregon
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Brookings
Click for Map
Sun -- 12:27 AM PST     6.80 feet High Tide
Sun -- 06:12 AM PST     1.63 feet Low Tide
Sun -- 06:53 AM PST     Sunrise
Sun -- 08:01 AM PST     Moonset
Sun -- 12:06 PM PST     7.51 feet High Tide
Sun -- 06:06 PM PST     Sunset
Sun -- 06:40 PM PST     -0.39 feet Low Tide
Sun -- 08:00 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.76.75.94.63.32.21.61.92.84.35.877.57.264.32.40.8-0.2-0.30.41.93.75.5

Tide / Current Tables for Crescent City, California
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Crescent City
Click for Map
Sun -- 12:25 AM PST     6.80 feet High Tide
Sun -- 06:08 AM PST     1.63 feet Low Tide
Sun -- 06:52 AM PST     Sunrise
Sun -- 08:00 AM PST     Moonset
Sun -- 12:05 PM PST     7.51 feet High Tide
Sun -- 06:06 PM PST     Sunset
Sun -- 06:36 PM PST     -0.39 feet Low Tide
Sun -- 07:59 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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6.76.75.94.63.22.11.61.92.94.35.977.57.164.32.40.7-0.2-0.30.523.85.5

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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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