Land Management Forecasts
Issued by NWS San Francisco Bay Area, CA
Issued by NWS San Francisco Bay Area, CA
032 FNUS86 KMTR 182106 FWLMTR ECCDA Discussions National Weather Service SAN FRANCISCO BAY AREA 206 PM PDT Fri Sep 18 2026 ##################################################################### ## ## ## Discussions from the latest FWF below ## ## ## ##################################################################### ...Discussion from SFOFWFMTR... A building ridge of high pressure is compressing the marine layer and bringing warmer and drier conditions to inland areas and elevations above 1,500 feet. The 24 hour RH change is anywhere from 10-30% drier in these areas. Winds are moderate and onshore this afternoon, but an increasing offshore gradient will take over tonight. Offshore NE winds are expected across the interior North Bay and East Bay mountains Friday night through Saturday morning. The ridge axis will move over the region Saturday, bringing still warmer and drier conditions, although the winds should flip back to onshore. Cooler weather returns Sunday and Monday before a more substantial warming trend through the middle of next week. ...Discussion from SFOFWFEKA... Fire weather conditions will be moderate with weak terrain winds, moderate RH and good overnight recoveries. Conditions will significantly warm and dry this weekend with much more restricted marine influence. By Sunday, interior highs will return to the 90s with minimum RH in the teens. ##################################################################### ## ## ## Complete a discussion for each ECCDA segment below ## ## When done click transmit, product sent as KMTRFWLMTR ## ## ## ##################################################################### ECC010-190915- St Helena ECC Dispatch- DISCUSSION FOR Marin and Sonoma and Napa Counties 206 PM PDT Fri Sep 18 2026 A building ridge of high pressure is compressing the marine layer and bringing warmer and drier conditions to inland areas and elevations above 1,500 feet. The 24 hour RH change is anywhere from 10-30% drier in these areas. Winds are moderate and onshore this afternoon, but an increasing offshore gradient will take over tonight. Offshore NE winds are expected across the interior North Bay and East Bay mountains Friday night through Saturday morning. The ridge axis will move over the region Saturday, bringing still warmer and drier conditions, although the winds should flip back to onshore. Cooler weather returns Sunday and Monday before a more substantial warming trend through the middle of next week. $$ ECC014-190915- Morgan Hill ECC Dispatch- DISCUSSION FOR Alameda and Contra Costa and Santa Clara Counties 206 PM PDT Fri Sep 18 2026 A building ridge of high pressure is compressing the marine layer and bringing warmer and drier conditions to inland areas and elevations above 1,500 feet. The 24 hour RH change is anywhere from 10-30% drier in these areas. Winds are moderate and onshore this afternoon, but an increasing offshore gradient will take over tonight. Offshore NE winds are expected across the interior North Bay and East Bay mountains Friday night through Saturday morning. The ridge axis will move over the region Saturday, bringing still warmer and drier conditions, although the winds should flip back to onshore. Cooler weather returns Sunday and Monday before a more substantial warming trend through the middle of next week. $$ ECC013-190915- Felton ECC Dispatch- DISCUSSION FOR Santa Cruz and San Mateo Counties 206 PM PDT Fri Sep 18 2026 A building ridge of high pressure is compressing the marine layer and bringing warmer and drier conditions to inland areas and elevations above 1,500 feet. The 24 hour RH change is anywhere from 10-30% drier in these areas. Winds are moderate and onshore this afternoon, but an increasing offshore gradient will take over tonight. Offshore NE winds are expected across the interior North Bay and East Bay mountains Friday night through Saturday morning. The ridge axis will move over the region Saturday, bringing still warmer and drier conditions, although the winds should flip back to onshore. Cooler weather returns Sunday and Monday before a more substantial warming trend through the middle of next week. $$ ECC018-190915- Monterey ECC Dispatch- DISCUSSION FOR Monterey and San Benito County 206 PM PDT Fri Sep 18 2026 A building ridge of high pressure is compressing the marine layer and bringing warmer and drier conditions to inland areas and elevations above 1,500 feet. The 24 hour RH change is anywhere from 10-30% drier in these areas. Winds are moderate and onshore this afternoon, but an increasing offshore gradient will take over tonight. Offshore NE winds are expected across the interior North Bay and East Bay mountains Friday night through Saturday morning. The ridge axis will move over the region Saturday, bringing still warmer and drier conditions, although the winds should flip back to onshore. Cooler weather returns Sunday and Monday before a more substantial warming trend through the middle of next week. $$