Marine Weather and Tide Forecast for Brookings, OR

AVIATION
19/12Z TAFs...Marine stratus is resulting in MVFR conditions along the coast from Cape Blanco northward, and LIFR conditions south of Gold Beach. VFR conditions persist for all other areas and will do so through the TAF period. A weak front is pushing the region this morning, bringing some high level cloud cover mainly north of the Umpqua Divide. The lower conditions along the coast will improve to VFR this afternoon, but expect the return of these lower conditions early this evening. Expect the return of typical afternoon breezes today, strongest along the coast. /BR-y

PREV DISCUSSION
/Issued 232 AM PDT Sat Apr 19 2025/

DISCUSSION...

The overall forecast remains at a low impact level for weather hazards. We have a weak front coming through today that will bring light rainfall chances mainly north of the Umpqua Divide and across our northern Cascade locations. Not expecting any further notable rain chances until late next week starting around Thursday when we could have a pattern change with more active weather through next weekend. Too early to say with much confidence the threat for widespread hazards, but early indications point towards the chance for thunderstorms as the main threat. Otherwise, seasonable temperatures expected through this forecast.

Further Details:

Satellite imagery indicates a frontal boundary with high clouds along the leading edge. Water vapor shows mostly dry air behind the front, and model analysis further indicates limited moisture associated with this front. That said, as the front comes onshore, there may be just enough moisture to squeeze out some light rainfall amounts across some of our northern zones before the front "washes out". Dynamics are not impressive at all, so not expecting any convection or widespread hazards.

Behind the front, we will be under a zonal to northwesterly flow pattern for several days with no notable disturbances expected until Thursday. At this time, a broad area of cyclonic flow will develop off British Columbia, and this will usher in a couple rounds of rainfall as a cut-off low meanders over this area. At this time, MUCAPE values are limited to around a few hundred J/kg (upwards near 400 J/kg), and this pattern would be conducive for thunderstorms, but its too early to say with much confidence the overall threat level. That said, bulk shear is low, so thunderstorm updrafts would struggle in this environment.

Lastly, we will have a couple breezy afternoons most notably on Sunday and Friday at this time, but we fall short of any advisory or warning level wind speeds at this time.

MARINE
Updated 200 AM Saturday, April 19th
A thermal trough will maintain gusty north winds and steep, hazardous seas for all areas through this weekend. The strongest winds and steepest seas will be south of Cape Blanco. North winds will reach gale force this afternoon from around Gold Beach southward and within 30 NM from shore along with very steep seas up to 15 feet at 8 seconds.
Very steep and hazardous seas will spread north of Cape Blanco to about Coos Bay and beyond 10 nm from shore, except in the vicinity of Cape Blanco. Winds ease some tonight into Sunday, but steep to very steep seas are likely to continue into early next week, especially south of Cape Blanco. /BR-y

MFR WATCHES/WARNINGS/ADVISORIES
OR
CA
None.

PACIFIC COASTAL WATERS...Small Craft Advisory until 8 AM PDT this morning for PZZ350-356-370-376.

Hazardous Seas Warning from 8 AM this morning to 11 PM PDT this evening for PZZ350-356-370-376.

Gale Warning from 8 AM this morning to 11 PM PDT this evening for PZZ356-376.