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Flood Watch WET

Weather • Event • Tide & FloodWatch

SMALL CAR IMPASSABLE

Larkspur Plaza Dr

Crosswalk Sag Impassable for Small Cars

Water over the crosswalk dip exceeds 5.9 inches ground clearance. Road impassable for small cars and low-clearance sedans.

ESTIMATED SMALL CAR CLEARANCE:

Calculating...

Total Water Level ⬇️ FALLING

7.51 ft NAVD88

Station 9414874: 7.45' MLLW

Active Surge KELVIN WAVE

+1.38 ft

Golden Gate Observed vs Ast

Crown (SAG in Road: 7.42') CLEAR

0.0 in dry

Sag Area (Drains 2, 3 & 4: 7.15') • Travel Lane: 7.42'

Small Car Sag (5.9" CLR) CLEAR

5.9 in clr

Travel lane dry

Front Street Gutters (Parking) 100% DRY

0.0 in dry

Front of House (#326) • Breaches at 7.55' TWL

Back Lot Carport (#86) SAFE (DRY)

+3.2 in margin

Slab: 7.75' | Direct lagoon inlet

⏱️ 48-Hour Tide Scrubber (Centered on Live Now)

LIVE: --:--

-24h Past -12h 📍 LIVE NOW +12h +24h Forecast

🚗 Front Parking & Small Car Clearance Simulator (Front Gutters: 7.55') TWL: 7.73 ft

View:

📈 48-Hour Tide & Street Drainage Forecast

━ Creek Tide ╌ Street Lag ┈ Ast

💡 Tip: Rotate phone sideways (landscape) for the widest, largest view! Tap '✕ Exit' when done.

🅿️ Safe Parking Havens (Andy's Places Survey) High Ground Safe Havens

If tides threaten Front Parking (> 7.55') or Carport #86 (> 8.15'), these surveyed locations remain elevated and accessible:

🅿️ Safe Parking 1 (Closest)

390 ft West • 37.94046, -122.53605

Elev: 2.24m GPS (Safe high ground)

🅿️ Safe Parking 2

750 ft Southeast • 37.93911, -122.53340

Elev: 1.84m GPS (Elevated bay)

🅿️ Safe Parking 4

850 ft Southeast • 37.93885, -122.53326

Elev: 2.27m GPS (High ridge)

🅿️ Safe Parking 3 (Highest)

1,090 ft South • 37.93795, -122.53388

Elev: 2.98m GPS (Extreme retreat)

📸 Nov 7 King Tide Peak Truth Sequence (10:06 - 10:07 AM) Andy's Places Verification (7.47' Peak)

10:07 AM • Front Gutters 100% DRY

10:07 AM • Sag & Complex Flooded

10:06 AM • Drains 2 & 3 Filling

📸 Nov 7 Morning King Tide Peak Sequence (Today) Andy's Field Sequence (Peak 7.47' NAVD88)

9:49 AM • Crown Passable (Dry Center)

9:49 AM • Gutters Taking Water (+3.8")

📸 Nov 6 Morning King Tide Peak Sequence Andy's Field Sequence (Peak 7.32' NAVD88)

10:40 AM • Sag Flooded (+4.4")

10:40 AM • Gutters Flooded (+5.6")

📸 Nov 1 King Tide & DST Field Sequence Andy's Daylight Saving Shift Photos (Peak 6.86')

4:09 PM • Crown Dry (6.84')

4:09 PM • Gutters Flooded (+1.7")

4:10 PM • Stall Apron Ponding

📸 Oct 31 Breach & Ground Survey Calibration Andy's Field Sequence

Survey • Elevation & Drains

3:28 PM • Dry Baseline (6.78')

3:50 PM • Swale Filling (7.25')

4:28 PM • Sag Crown Breach (7.40')

4:31 PM • Peak Impassable (7.42')

4:34 PM • Swale Overflow

4:34 PM • Swale Runoff Detail

4:35 PM • Front Stalls Backfilling

6:33 PM • Gutters Flooded (Lag!)

6:33 PM • Crown Dry, Stalls Wet

6:33 PM • Stall Aprons Wet

📸 Oct 30 Ground-Truth Photo Calibration Andy's Field Sequence

11:42 AM • Road Dry (3.2')

1:04 PM • Gutter Seep (6.70')

1:33 PM • Gutters Wet (7.05')

2:43 PM • Impassable Sag (7.55')

4:53 PM • Sag Still Flooded (7.03')

5:12 PM • Gutters & Sag Wet (6.95')

7:34 PM • Gutters Flooded (Lag!)

📋 Calibrated Elevation Thresholds

Feature / Benchmark	Elevation	Status / Impact
Street Gutter Inverts	6.70 ft	Water begins seeping into curb gutters (1:04 PM)
Lowest Crown in Sag Dip	6.95 ft	True All-Street Clearance (Road covered in salt water until < 6.95')
High Road Crown (Foreground)	7.31 ft	High ridge exposed, but sag dip ahead remains submerged (4:53 PM photo)
Small Car Impassable (Sag)	7.55 ft	Travel lane depth ≥ 5.9" (Ground truth: 2:43 PM)
Carport Stall #86 Floor (GL)	7.75 ft	Concrete floor. Kept dry today (peak was 7.70 ft)
Carport Door Sill Damage Level	8.46 ft	+8.5" above carport GL where water enters parked car interior
SUV / Truck Impassable	7.85 ft	High clearance vehicles ≥ 9" ground clearance

⚙️ Location & Vehicle Settings