Sunrise 6:26 AM   Sunset 8:05 PM Moonrise 2:03 PM   Moonset 3:38 AM

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PZZ350 Coastal Waters From Florence To Cape Blanco Or Out 10 Nm- 201 Pm Pdt Thu Apr 18 2024
.small craft advisory in effect through late tonight - .
Tonight - N wind 10 to 20 kt. Wind waves N 4 ft at 5 seconds. SW swell 1 to 2 ft at 16 seconds. Fri - N wind 5 to 15 kt - .becoming 10 kt late in the afternoon. Wind waves N 2 ft at 5 seconds. SWell S 3 ft at 15 seconds. Fri night - N wind 5 to 10 kt - .backing to S early in the morning. Wind waves N 2 ft at 3 seconds in the evening - .becoming less than 2 ft. SWell sw 1 to 2 ft at 15 seconds. Sat - S wind 10 to 15 kt - .veering to W 10 to 20 kt in the afternoon. Wind waves sw 2 ft at 4 seconds. SW swell 1 to 2 ft at 15 seconds. Rain likely. Sat night - NW wind 5 to 10 kt - .veering to N after midnight. Wind waves nw 3 ft at 6 seconds. SWell W 6 ft at 8 seconds. Slight chance of rain. Sun - NE wind 5 to 10 kt - .backing to N 10 to 20 kt in the afternoon. Wind waves nw 2 ft at 5 seconds. SWell W 6 to 7 ft at 12 seconds - .building to W 8 ft at 12 seconds in the afternoon. Slight chance of rain. Sun night - N wind 20 to 25 kt - .easing to 15 to 20 kt after midnight. Wind waves N 5 ft at 5 seconds. SWell nw 7 to 8 ft at 12 seconds - .becoming W 5 ft at 12 seconds after midnight. Mon - NE wind 15 to 20 kt - .backing to n. Wind waves N 3 ft at 5 seconds. SWell nw 4 to 5 ft at 11 seconds. Tue - N wind 15 kt - .backing to nw. Wind waves N 3 ft at 4 seconds - .shifting to the W 3 ft at 4 seconds. SWell nw 3 to 4 ft at 8 seconds.

PZZ300 201 Pm Pdt Thu Apr 18 2024
Synopsis for the southern oregon coastal waters - Gusty north winds and steep seas are expected across all waters into tonight. The thermal trough weakens tomorrow and conditions will improve. Relatively light winds and low seas continue into Saturday, though a weak cold front will move through with some rain. Gusty north winds and steep seas are expected to return later in the weekend.

FXUS66 KMFR 182323 AFDMFR

Area Forecast Discussion National Weather Service Medford OR 216 PM PDT Thu Apr 18 2024

Updated AVIATION discussion

DISCUSSION
The steady dry and warming trend continues through the rest of the work week, with high pressure overhead and a thermal trough developing along the coast. This pattern is producing a general east wind aloft, and this will then result in downsloping winds, especially along the south coast near Brookings, and will allow for strong overnight inversions for inland valleys. This means that while daytime highs will be above normal for this time of year, lows in the valleys will be cool. A few pockets of frost and freeze are possible, but widespread freezing conditions are not expected west of the Cascades.

A weak system will approach the area Saturday, with a mostly dry cold front passing through by Saturday night. While precipitation is possible along the coast, and perhaps into the Umpqua basin and the Cascades, precipitation amounts will be very light.
Additionally, the main dynamics associated with this system are very far north, so if the system shifts north at all we could miss out entirely. Even a southward shift of the surface features wouldn't help out too much, as all upper level support would still remain well to the north. Behind the front, temperatures will cool, with Sunday highs about 10 to 15 degrees cooler than Friday or Saturday.

High pressure, with dry conditions and warm daytime temperatures and cool nights (and another chance for frost/freeze conditions)
will return Monday into Tuesday, then the next system arrives by late Tuesday or Tuesday night, with upper level troughing passing overhead Wednesday into Thursday. Again, we do not expect this to be much of a rainmaker. In fact, the frontal passage itself appears almost completely dry, with more widespread precipitation arriving behind the front as showers develop within the instability under the upper level trough. Confidence is low in any details at this time, given the wide spread in ensemble solutions, so updates will likely be necessary over the coming days.

AVIATION
19/00Z TAFs...Atmospheric stability will bring continued VFR levels under clear skies for northern California and southern Oregon through the TAF period. Gusty northerly winds over the Oregon coast will continue into the evening but will calm overnight. Other than that, no changes are expected. -TAD

MARINE
Updated 200 PM Thursday, April 18, 2024...A thermal trough will continue to bring gusty north winds and steep seas to all waters into tonight. The thermal trough weakens tomorrow and conditions will improve. Relatively light winds and low seas continue into Saturday, though a weak cold front will move through with some rain. Gusty north winds and steep seas are expected to return later in the weekend. -Spilde/Hermansen

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

CA...None.

PACIFIC COASTAL WATERS...Small Craft Advisory until 5 AM PDT Friday for PZZ350-356-370-376.

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Gardiner
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Thu -- 04:38 AM PDT     Moonset
Thu -- 04:48 AM PDT     2.28 feet Low Tide
Thu -- 06:27 AM PDT     Sunrise
Thu -- 10:14 AM PDT     5.08 feet High Tide
Thu -- 03:02 PM PDT     Moonrise
Thu -- 05:03 PM PDT     0.56 feet Low Tide
Thu -- 08:04 PM PDT     Sunset
Thu -- 11:35 PM PDT     5.38 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Gardiner, Umpqua River, Oregon, Tide feet

Florence
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Thu -- 04:37 AM PDT     2.28 feet Low Tide
Thu -- 04:38 AM PDT     Moonset
Thu -- 06:27 AM PDT     Sunrise
Thu -- 10:02 AM PDT     4.98 feet High Tide
Thu -- 03:02 PM PDT     Moonrise
Thu -- 04:52 PM PDT     0.56 feet Low Tide
Thu -- 08:05 PM PDT     Sunset
Thu -- 11:23 PM PDT     5.26 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION

Florence, Siuslaw River, Oregon, Tide feet

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