Marine Weather and Tide Forecast for August, CA

Key Messages

* Today - Saturday: -Quick moving, dry shortwaves bring periods of breezy to briefly gusty onshore winds.
-Probability of South-Southwest Wind Gusts > 30 mph: --40-70%, highest across Delta and vicinity area --Strongest winds expected during afternoon/evening hours today.
-Marginal humidity recovery expected in onshore flow, but elevated fire weather conditions persist, especially during periods of strongest winds.
-Temperatures to fluctuate around near to slightly above normal, with areas of Minor HeatRisk.

* Sunday - Thursday: -Stronger weather system to progress toward interior NorCal Sun- Mon, then remain largely stationary over the West Coast into next week.
-Primarily dry weather anticipated, although a slight 5-10% chance of isolated showers/thunderstorms possible each day.
Highest probabilities over the N. Sacramento Valley and Sierra.
-Breezier onshore winds expected, especially Sunday as the system arrives. Probability of South-Southwest Wind Gusts > 30 mph: --60-90% across the Valley and Delta on Sunday -Marginal humidity recovery and elevated fire weather conditions likely to persist, especially during stronger winds on Sunday.

Changes from previous forecast
-Low precipitation chances possible into next week, although forecast uncertainty remains high at this time.
-Ensemble guidance indicates a more robust warming trend by late next week.

AVIATION
VFR conditions expected to prevail next 24 hours. Wind gusts 15-20 kts through 06z Friday across the Delta (westerly gusts), southern Sacramento Valley (southwesterly gusts) and the northern San Joaquin Valley (northwesterly gusts). Breezy westerly wind gusts vicinity Delta after 06z Friday.

STO WATCHES/WARNINGS/ADVISORIES
None.