FNUS76 KLOX 192126
FWSLOX

Spot Forecast for Santa Rosa Island Fire...NPS CHI
National Weather Service Los Angeles/Oxnard CA
226 PM PDT Tue May 19 2026

If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
Similar pattern is expected each day, with a slight increase in 
temperatures for Wednesday, followed by cooling for Thursday. Winds 
will be out of the northwest in the afternoon, stronger on Wednesday
(wind shift around 1300) and weaker on Thursday (wind shift around 
1500). Expect a weak east wind component during the mornings, along 
with diurnal terrain driven flow (downslope/downvalley before dawn 
becoming upslope/upvalley by mid morning). 


.WEDNESDAY...

Sky/weather.........Sunny, with slight chance of clouds in the 
                    late afternoon. 
Max temperature.....75-77. 
Min humidity........28-35 percent. 
Eye level winds.....East/variable winds 1-3 mph early shifting to the 
                    northwest 4 to 8 mph with gusts 13 mph around 1300.
Wind (20 ft)........East/variable winds 2-6 mph early shifting to the 
                    northwest 8 to 15 mph with gusts 25 mph around 1300. 
Ridgetop wind.......Northeast winds 3-8 mph early shifting to the 
                    northwest 14 to 20 mph with gusts 30 mph around 1300.
Mixing height.......500 ft AGL early, becoming 1000 ft AGL. 

.WEDNESDAY NIGHT...

Sky/weather.........Partly cloudy becoming cloudy. Chance of 
                    patchy fog overnight. 
Min temperature.....53-62. 
Max humidity........90-100 percent. 
Eye level winds.....Northwest winds 4-8 mph with gusts 13 mph 
                    through around 0300, then becoming west 2-5 mph. 
Wind (20 ft)........Northwest winds 8-15 mph with gusts 25 mph 
                    through around 0300, then becoming west 5-10 mph. 
Ridgetop wind.......Northwest winds 12-18 mph with gusts 30 mph 
                    through around 0300, then becoming west 6-12 mph. 
Mixing height.......1000 ft AGL early, becoming 500 ft AGL overnight. 

.THURSDAY...

Sky/weather.........Cloudy with patchy fog becoming mostly sunny 
                    in the afternoon. 
Max temperature.....68-70. 
Min humidity........45-55 percent. 
Eye level winds.....Northeast/variable winds 2-4 mph becoming northwest 
                    4-6 mph with gusts to 11 mph around 1500.
Wind (20 ft)........Northeast/variable winds 3-7 mph becoming northwest 
                    8-12 mph with gusts to 22 mph around 1500. 
Ridgetop wind.......West winds 6-12 mph becoming northwest 
                    10-15 mph with gusts to 25 mph around 1500.
Mixing height.......500 ft AGL overnight, becoming 1000 ft AGL in 
                    the afternoon. 

$$
Forecaster...SCHOENFELD
Requested by...David Hood
Type of request...WILDFIRE
.TAG 2614040.0/LOX
.DELDT 05/19/26
.FormatterVersion 2.0.0
.EMAIL david_hood@firenet.gov