Alerts from NWS San Francisco CA (UNOFFICIAL)
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sfo.nws-bot.us
Alerts from NWS San Francisco CA (UNOFFICIAL)
@sfo.nws-bot.us
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Unofficial bot sharing alerts from NWS San Francisco CA.

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sfo.nws-bot.us
MTR issues Area Forecast Discussion (AFD) at Nov 26, 7:42 AM PST ...New UPDATE, MARINE... via IEMbot
Additional Details Here.
November 26, 2025 at 3:46 PM
sfo.nws-bot.us
Small Craft Advisory issued November 26 at 7:26AM PST until November 28 at 9:00AM PST by NWS San Francisco CA
Additional Details Here.(1/2)
* WHAT...Northwest winds 10 to 20 kt and seas 8 to 10 ft expected. * WHERE...Waters from Point Arena to Point Reyes 10-60 NM. * WHEN...From 3 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...Northwest winds 15 to 20 kt and seas 8 to 10 ft expected. * WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM. * WHEN...From 3 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 20 kt expected. * WHERE...Waters from Pigeon Point to Point Pinos 10-60 NM. * WHEN...From 3 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 20 kt expected. * WHERE...Waters from Point Pinos to Point Piedras Blancas 10- 60 NM. * WHEN...From 3 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
November 26, 2025 at 3:30 PM
sfo.nws-bot.us
MTR cancels Dense Fog Advisory for Coastal North Bay Including Point Reyes National Seashore, East Bay Interior Valleys, Marin Coastal Range, North Bay Interior Mountains, North Ba... at Wed, 26 Nov 2025 15:24:22 +0000 via IEMbot
Additional Details Here.
November 26, 2025 at 3:26 PM
sfo.nws-bot.us
MTR continues Dense Fog Advisory (Coastal North Bay Including Point Reyes National Seashore, East Bay Interior Valleys, Marin Coastal Range, North Bay Interior Mountains, North Bay... at Wed, 26 Nov 2025 13:38:23 +0000 via IEMbot
Additional Details Here.
November 26, 2025 at 1:46 PM
sfo.nws-bot.us
Dense Fog Advisory issued November 26 at 5:38AM PST until November 26 at 11:00AM PST by NWS San Francisco CA
Additional Details Here.
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...The Marin Hills, North Bay Interior Mountains, Coastal North Bay Including Point Reyes National Seashore, and North Bay Interior Valleys. * WHEN...Until 11 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Limited visibility will result in hazardous driving conditions. * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...East Bay Interior Valleys. * WHEN...Until 11 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Limited visibility will result in hazardous driving conditions.
November 26, 2025 at 1:45 PM
sfo.nws-bot.us
MTR issues Area Forecast Discussion (AFD) at Nov 26, 3:25 AM PST ...New SHORT TERM, LONG TERM, AVIATION, MARINE... via IEMbot
Additional Details Here.
November 26, 2025 at 11:26 AM
sfo.nws-bot.us
Small Craft Advisory issued November 26 at 2:22AM PST until November 28 at 9:00AM PST by NWS San Francisco CA
Additional Details Here.(2/2)
* WHAT...Dense fog will reduce visibility to 1/4 NM or less. * WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge. * WHEN...Until 11 AM PST this morning. * IMPACTS...Low visibility will make navigation difficult. * ADDITIONAL DETAILS...The greatest impacts are expected in the San Pablo Bay through the West Delta.
November 26, 2025 at 10:30 AM
sfo.nws-bot.us
Small Craft Advisory issued November 26 at 2:22AM PST until November 28 at 9:00AM PST by NWS San Francisco CA
Additional Details Here.
(1/2)
* WHAT...Northwest winds 10 to 20 kt and seas 8 to 10 ft expected. * WHERE...Waters from Point Arena to Point Reyes 10-60 NM. * WHEN...From 3 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...Northwest winds 15 to 20 kt and seas 8 to 10 ft expected. * WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM. * WHEN...From 3 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 20 kt expected. * WHERE...Waters from Pigeon Point to Point Pinos 10-60 NM. * WHEN...From 3 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft. * WHAT...North winds 15 to 20 kt expected. * WHERE...Waters from Point Pinos to Point Piedras Blancas 10- 60 NM. * WHEN...From 3 PM Thursday to 9 AM PST Friday. * IMPACTS...Conditions will be hazardous to small craft.
November 26, 2025 at 10:30 AM
sfo.nws-bot.us
OAKLAND AIRPORT Nov 25
Climate Report:
High: 60
Low: 43
Precip: 0.0"
Snow: Missing
at Wed, 26 Nov 2025 08:34:35 +0000 via IEMbot
Additional Details Here.
November 26, 2025 at 8:46 AM
sfo.nws-bot.us
SANTA ROSA AIRPORT Nov 25
Climate Report:
High: 52
Low: 41
Precip: 0.0"
Snow: Missing
at Wed, 26 Nov 2025 08:34:35 +0000 via IEMbot
Additional Details Here.
November 26, 2025 at 8:46 AM
sfo.nws-bot.us
CONCORD AIRPORT Nov 25
Climate Report:
High: 57
Low: 43
Precip: 0.0"
Snow: Missing
at Wed, 26 Nov 2025 08:34:36 +0000 via IEMbot
Additional Details Here.
November 26, 2025 at 8:46 AM
sfo.nws-bot.us
SALINAS AIRPORT Nov 25
Climate Report:
High: 64
Low: 43
Precip: 0.0"
Snow: Missing
at Wed, 26 Nov 2025 08:34:36 +0000 via IEMbot
Additional Details Here.
November 26, 2025 at 8:46 AM
sfo.nws-bot.us
Dense Fog Advisory issued November 25 at 10:12PM PST until November 26 at 11:00AM PST by NWS San Francisco CA
Additional Details Here.
* WHAT...Dense fog will reduce visibility to 1/4 NM or less. * WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge. * WHEN...Until 11 AM PST Wednesday. * IMPACTS...Low visibility will make navigation difficult. * ADDITIONAL DETAILS...The greatest impacts are expected in the San Pablo Bay through the West Delta.
November 26, 2025 at 6:15 AM
sfo.nws-bot.us
MTR issues Dense Fog Advisory for East Bay Interior Valleys [CA] till Nov 26, 11:00 AM PST
at Wed, 26 Nov 2025 05:47:13 +0000 via IEMbot
Additional Details Here.
November 26, 2025 at 6:06 AM
sfo.nws-bot.us
Dense Fog Advisory issued November 25 at 9:56PM PST until November 26 at 11:00AM PST by NWS San Francisco CA
Additional Details Here.
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...The Marin Hills, North Bay Interior Mountains, Coastal North Bay Including Point Reyes National Seashore, and North Bay Interior Valleys. * WHEN...Until 11 AM PST Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous. Limited visibility will result in hazardous driving conditions. * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...East Bay Interior Valleys. * WHEN...Until 11 AM PST Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous. Limited visibility will result in hazardous driving conditions.
November 26, 2025 at 6:00 AM
sfo.nws-bot.us
MTR issues Area Forecast Discussion (AFD) at Nov 25, 8:52 PM PST ...New UPDATE... via IEMbot
Additional Details Here.
November 26, 2025 at 5:06 AM
sfo.nws-bot.us
SAN FRANCISCO DWTN CA Nov 25
Climate Report:
High: 58
Low: 49
Precip: 0.0"
Snow: Missing
at Wed, 26 Nov 2025 00:47:06 +0000 via IEMbot
Additional Details Here.
November 26, 2025 at 1:06 AM
sfo.nws-bot.us
MONTEREY AIRPORT Nov 25
Climate Report:
High: 66
Low: 43
Precip: 0.0"
Snow: Missing
at Wed, 26 Nov 2025 00:47:06 +0000 via IEMbot
Additional Details Here.
November 26, 2025 at 1:06 AM
sfo.nws-bot.us
NAPA AIRPORT Nov 25
Climate Report:
High: 56
Low: 46
Precip: 0.0"
Snow: Missing
at Wed, 26 Nov 2025 00:47:06 +0000 via IEMbot
Additional Details Here.
November 26, 2025 at 1:06 AM
sfo.nws-bot.us
OAKLAND AIRPORT Nov 25
Climate Report:
High: 60
Low: 43
Precip: 0.0"
Snow: Missing
at Wed, 26 Nov 2025 00:47:07 +0000 via IEMbot
Additional Details Here.
November 26, 2025 at 1:06 AM
sfo.nws-bot.us
MTR issues Area Forecast Discussion (AFD) at Nov 25, 4:09 PM PST ...New AVIATION, MARINE... via IEMbot
Additional Details Here.
November 26, 2025 at 12:26 AM
sfo.nws-bot.us
MTR issues Area Forecast Discussion (AFD) at Nov 25, 1:21 PM PST ...New SHORT TERM, LONG TERM... via IEMbot
Additional Details Here.
November 25, 2025 at 9:26 PM
sfo.nws-bot.us
MTR expires Dense Fog Advisory for North Bay Interior Valleys, Southern Salinas Valley/Arroyo Seco and Lake San Antonio [CA]
at Tue, 25 Nov 2025 18:39:02 +0000 via IEMbot
Additional Details Here.
November 25, 2025 at 6:46 PM
sfo.nws-bot.us
Dense Fog Advisory issued November 25 at 10:38AM PST until November 25 at 11:00AM PST by NWS San Francisco CA
Additional Details Here.
Visibilities continue to improve over much of the region. Thus, the Dense Fog Advisory will be allowed to expire at 11 AM PST.
November 25, 2025 at 6:45 PM
sfo.nws-bot.us
MTR issues Area Forecast Discussion (AFD) at Nov 25, 9:59 AM PST ...New AVIATION, MARINE, BEACHES... via IEMbot
Additional Details Here.
November 25, 2025 at 6:06 PM