Tidal Phase
−4h−2hLOW+3hHIGH+6hLOW+8h
Generalised Tide
Field Statistics
Obs in window
—
Avg speed
—
Flow direction
—
Speed range
—
Playback
Speed
Arrow opacity
80%
Legend
Prior obs (Jan–Mar 28)
Mar 29 / added obs
Harbor mouth — EBB (↓ South)
Harbor mouth — FLOOD (↑ North)
Arrows only where obs exist.
Fade = distance from nearest 2 obs.
Arrows point in flow direction.
Colour + size = speed (blue→red).
Fade = distance from nearest 2 obs.
Arrows point in flow direction.
Colour + size = speed (blue→red).
Today's Tidal Range
LOW TIDE ft
HIGH TIDE ft
LOW TIME PDT
Tidal Range
3.5 ft
Speed Scale
1.00×
near training average
Add Drift Measurements
Paste CSV from your drift app.
Phase offset auto-computed from
Low Time PDT above. tidetoolacc > 20 excluded.
Phase offset auto-computed from
Low Time PDT above. tidetoolacc > 20 excluded.
⬦ California Current
Persistent SSE coastal current past
Point Loma. Strongest on left side
of beat, zero inside bay entrance.
Overridden by HF radar when loaded.
Point Loma. Strongest on left side
of beat, zero inside bay entrance.
Overridden by HF radar when loaded.
SPEED kt
DIR flow-to °
Typical range: 0.05–0.30 kt
Spring racing season: ~0.10–0.20 kt
Davidson Current (winter): reverses N
Spring racing season: ~0.10–0.20 kt
Davidson Current (winter): reverses N
⬦ Etchells Routing Advisor
Calculates port vs starboard VMG advantage
from current field + Etchells polars.
from current field + Etchells polars.
TRUE WIND DIR °
TRUE WIND SPD kt
COURSE HDG °
BEAT LENGTH nm
Pause animation at your race start time,
then press Calculate.
then press Calculate.