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Map / San Francisco / Muir Beach
Reporting at Muir Beach
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Where Were You?

Muir Beach

TAR/OIL 7.3/10 0 reports today Β· last 3 days ago
Tar/Oil scores 0–10 Β· 10 clean
7.3 Sand
7.3 Water
Surf
SURF – Β· –
Offshore swell –
Wind
4.3 kt
sideshore Β· NW
Tide ft MLLW
L 11:14 AM
now 2.6 ft falling Β· next L 2.1 Β· 11:14 AM
Temps
– Water
55.3Β°F Air

Tar/Oil Conditions

TAR/OIL SCORE (0-10 Β· 10 = clean) Β· 7 DAYSHow scoring works β†’
now 7.3

Surf

Offshore Buoy β€” San Francisco46026 Β· obs + forecast Β· NDBC / wave model
no data
Swell direction Β· every 6h
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more in Research β†’

Weather

Weather
55.3Β°Fsunny4.3 ktUV 0Sunrise 6:43 AM Β· Sunset 7:33 PM
Today, hour by hour
β›…β˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈβ›…β›…β˜€οΈβ˜€οΈβ˜€οΈβ˜€οΈ
Wind direction
Sat 12 AM
Sat 4 AM
Sat 8 AM
Sat 12 PM
Sat 4 PM
Sat 8 PM
TodayUV 7 HighSunrise 6:43 AMSunset 7:33 PMMoonrise 12:15 AMMoonset 4:08 PM🌘 Waning Crescentnext full moon Sep 27

Live Observations

Jul 18, 7:10 AM anon Waterline Black line Sporadic 1-10% Film – – Tar balls – C
Jul 16, 6:24 AM anon Wrack line Clean Sporadic 1-10% Balls Slab Hard None – C
Jul 15, 6:38 AM anon Waterline Clean Sporadic 1-10% Balls Coin Hard None – B
Jul 11, 5:14 PM anon Wrack line Clean Trace <1% Balls Coin Hard None – B
Jul 11, 9:31 AM channelkeeper_kai Waterline Clean Sporadic 1-10% Balls Slab Hard None – B
Jul 10, 3:25 PM elcap_eli Wrack line Clean Trace <1% Balls Coin Sticky Sheen, Odor – C
Jul 7, 3:38 PM summerland_sue Waterline Clean Trace <1% Film – – None – A
Jul 7, 9:35 AM anon Wrack line Clean Sporadic 1-10% Balls – Hard Sheen – B
Jul 7, 7:01 AM haskells_hal Wrack line Clean Trace <1% Film – – None – C
Jul 6, 12:38 PM anon Waterline Clean Sporadic 1-10% Film – – None – A
Jul 6, 10:24 AM anon Waterline Clean Trace <1% Balls – Hard None – C
Jul 6, 7:02 AM westbeach_wes Wrack line Sheen Patchy 11-50% Balls Palm Hard None – B
Jul 3, 2:56 PM anon Waterline Black line Patchy 11-50% Balls Slab Hard None – C
Jun 30, 5:10 PM anon Waterline Clean Trace <1% Film – – – – C
Jun 30, 2:47 PM anon Rocks Clean Trace <1% Greasy coat – Hard None – A
Jun 30, 6:24 AM anon Wrack line Clean Patchy 11-50% Balls Palm – – – C
Jun 29, 4:18 PM anon Wrack line Sheen Trace <1% Film – – None – A
Jun 28, 5:01 PM butterfly_bea Dry sand Sheen Trace <1% Balls Coin Sticky Sheen – C
Jun 26, 3:00 PM anon Wrack line Clean Sporadic 1-10% Balls Pea Hard None – A
Jun 22, 11:20 AM anon Waterline Clean Trace <1% Balls Coin Firm None – A

16-Day Forecast

Confidence is an estimate based on forecast lead time.

Nearby Buoys

Buoy 46026 just now
Wave ht 5.3ft
Period 9s
Water temp 58.3Β°F
Station 46026 on NDBC →

Photo Gallery

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Nearby Incident Reports

Jun 3, 2026 NRC raw raw report β€” unverified: THE CALLER REPORTED A DISCHARGE OF APPROXIMATELY 20 GALLONS OF HYDRAULIC OIL FROM A HIGH PRESSURE HYDRAULIC LINE ON A 350FT HOPPER DREDGE TH… 14.1 km β€”
Show older (47)
Mar 10, 2026 NRC raw raw report β€” unverified: CALLER REPORTING THE DISCHARGE OF AN UNKNOWN AMOUNT OF GEAR OIL, FROM THE PORT MAIN ENGINE GEAR COOLER OF A VESSEL, TO THE SAN FRANCISCO BAY… 17.4 km β€”
Mar 5, 2026 IncidentNews Stranded Vessel in San Francisco Bay; Belvedere Tiburon, California 11.6 km Source β†—
Feb 1, 2026 IncidentNews Unknown Substance; Hyde Street Pier in San Francisco Bay, San Francisco, California 14.4 km Source β†—
Dec 17, 2025 NRC raw raw report β€” unverified: UNKNOWN SHEEN SIGHTING. EXACT SOURCE OF THE SHEEN IS UNKNOWN AT THIS TIME. CALLER DISCOVERED THE SHEEN WHILE CONDUCTING A HYDRO-GRAPHIC SU… 13.2 km β€”
Dec 10, 2025 NRC raw raw report β€” unverified: THE CALLER STATED THAT A VESSEL CAPSIZED DUE TO UNKNOWN CAUSES. BECAUSE OF THIS INCIDENT THERE IS A POTENTIAL RELEASE OF (5) GALLONS OF UNK… 11.8 km β€”
Dec 1, 2025 NRC raw raw report β€” unverified: CALLER REPORTED A VESSEL RAN AGROUND, UNKNOWN IF FUEL IS ONBOARD. 18.8 km β€”
Oct 21, 2025 NRC raw raw report β€” unverified: CALLER IS REPORTING THAT WHILE FUELING THEIR VESSEL THE FUEL NOZZLE CAME OUT OF THE FUEL TANK FILL HOLE. THIS CAUSED A DISCHARGE OF DIESEL O… 13.8 km β€”
Jul 11, 2025 NRC raw raw report β€” unverified: THE CALLER DISCOVERED A DERELICT VESSEL, THAT IS PUMPING WATER IN THE BILGE (DURING HIGH TIDE) AND RELEASING THAT WATER INTO SAN RAFAEL TURN… 13.1 km β€”
Jun 22, 2025 NRC raw raw report β€” unverified: THE CALLER REPORTED THAT A MOORING WINCH ABOARD A TANKER VESSEL HAD A HYDRAULIC LINE THAT FAILED DUE TO UNKNOWN REASONS. THIS RESULTED IN TH… 24.5 km β€”
Jun 18, 2025 NRC raw raw report β€” unverified: /// POTENTIAL RELEASE /// CALLER IS REPORTING AN ABANDON FISHING VESSEL IN FISHERMAN WHARF THAT CONTAINS APPROX 30-50 GALLONS OF OIL WATER… 15 km β€”
Jun 1, 2025 NRC raw raw report β€” unverified: ****THIS IS A POTENTIAL RELEASE REPORT**** THE CALLER OBSERVED A SAILING VESSEL BEGAN TAKING ON WATER AND EVENTUALLY SANK IN CENTERFIELD CR… 15.8 km β€”
May 8, 2025 NRC raw raw report β€” unverified: THE CALLER STATED THAT A DRIVESHAFT FELL OUT OF A VEHICLE ON 880 SOUTH. BECAUSE OF THIS INCIDENT THE HYDRAULIC OIL WITHIN THE DRIVE SHAFT RE… 24.6 km β€”
Mar 15, 2025 NRC raw raw report β€” unverified: THE CALLER REPORTED BLOTCHES OF BLACK UNKNOWN MATERIAL FROM AN UNKNOWN SOURCE IN THE PACIFIC OCEAN NEAR THE SHORE AT THE INCIDENT LOCATION. … 5.3 km β€”
Mar 15, 2025 IncidentNews Possible Pollutant Report; off Stinson Beach, California 5.3 km Source β†—
Feb 19, 2025 NRC raw raw report β€” unverified: // UPDATE TO NRC REPORT 1423897 // UPDATE IS AS FOLLOWS: - THE SUSPECTED RESPONSIBLE PARTY HAS BEEN UPDATED. - AN UNKNOWN AMOUNT, UP TO … 11 km β€”
Feb 19, 2025 NRC raw raw report β€” unverified: CALLER STATES DISCOVERING AN UNKNOWN SHEEN FROM AN UNKNOWN SOURCE IN THE CORTE MADERA CREEK AT THE INCIDENT LOCATION. A BOOM HAS BEEN DEPLOY… 11 km β€”
Aug 29, 2022 IncidentNews "Red Tide" algae bloom, San Francisco Bay, CA 19.9 km Source β†—
Apr 6, 2022 IncidentNews Gray Whale Carcass in San Francisco Bay, CA 17.7 km Source β†—
May 4, 2021 IncidentNews Gray whale carcass, San Francisco Bay, CA 15.9 km Source β†—
Feb 9, 2021 IncidentNews Chevron Pipeline Spill; Long Wharf, Richmond, CA 16.7 km Source β†—
Feb 3, 2021 IncidentNews Styrofoam debris; Fort Funston, San Francisco, CA 16.6 km Source β†—
Mar 13, 2020 IncidentNews F/V SCOMAS grounded; Bonita Cove, Marin County, CA 7 km Source β†—
Dec 18, 2019 IncidentNews F/V MANDY JANE sunk; off San Francisco, CA 18.4 km Source β†—
Apr 16, 2019 IncidentNews Gray whale carcass; Pacifica, CA 94044, USA 24.5 km Source β†—
May 29, 2018 IncidentNews Sunken Vessel - Ocean Beach; San Francisco, CA 12.4 km Source β†—
Nov 14, 2017 IncidentNews Floating drum; San Francisco Bay, CA, USA 11.5 km Source β†—
Nov 12, 2017 IncidentNews Mystery sheen; San Francisco – Oakland Bay Bridge, San Francisco, CA, USA 18.5 km Source β†—
Sep 22, 2017 IncidentNews Shipping Containers Overboard; Port of Oakland, CA 94607, USA 22.6 km Source β†—
Apr 7, 2017 IncidentNews Vengeance crane barge sinking; San Francisco Bay, CA 20.4 km Source β†—
May 20, 2016 IncidentNews M/V ULTRA LASCAR; Outside San Francisco Bay, CA 21.1 km Source β†—
May 8, 2016 IncidentNews Sheen Reports; off Bolinas, CA 10.5 km Source β†—
May 4, 2016 IncidentNews Floating barrel; San Francisco Bay, CA 20.2 km Source β†—
Dec 14, 2015 IncidentNews Containers lost from M/V Manoa; 8 miles off Golden Gate, CA 16.9 km Source β†—
May 8, 2015 IncidentNews M/V Rio de Janiero Express; Oakland, CA 23.2 km Source β†—
Dec 3, 2014 IncidentNews Floating drums; San Francisco Bay, CA 19.8 km Source β†—
Jun 11, 2013 IncidentNews M/V Fernstream wreck project; San Francisco Bay, CA 11.1 km Source β†—
Oct 30, 2009 IncidentNews T/V Dubai Star; San Francisco, CA 23 km Source β†—
Aug 17, 2009 IncidentNews USS Wenonah; Treasure Island, San Francisco Bay, CA 19.3 km Source β†—
Nov 7, 2007 IncidentNews M/V Cosco Busan; San Francisco Bay, CA 19 km Source β†—
Jul 8, 2004 IncidentNews Missing F/V; Off San Francisco Bay, CA 16.4 km Source β†—
Jun 4, 2004 IncidentNews Sunken Vessel; Off San Francisco Bay, CA 12.4 km Source β†—
Jun 11, 2003 IncidentNews Unexploded Torpedo; Pillar Point Harbor, CA 24.9 km Source β†—
Apr 18, 2001 IncidentNews Hunters Point Chemical Release; Hunters Point, CA 24.5 km Source β†—
Sep 28, 1998 IncidentNews Point San Pedro Mystery Spill; San Francisco, CA 16.2 km Source β†—
Sep 24, 1998 IncidentNews Anchorage #9; San Francisco, CA 24.5 km Source β†—
Sep 24, 1998 IncidentNews T/V Command; San Francisco Bay, California 24.5 km Source β†—
Oct 28, 1996 IncidentNews M/V Cape Mohican; San Francisco, California 20 km Source β†—