2025 PCISA Keelboat Qualifier

# SchoolTeam A TOT
1 Mater Dei High School Mater Dei High School Monarchs 11 11
2 Redwood Redwood Giants 18 18
3 Corona del Mar High School Corona del Mar High School Sea Kings 20 20
4 Cathedral Catholic High School Cathedral Catholic High School Dons 30 30
5 Coastal Academy High School Coastal Academy High School Stingrays 33 33
6 Alameda High School Alameda High School Hornets 34 34
7 Point Loma High School Point Loma High School Pointers 38 38
8 Newport Harbor High School Newport Harbor High School Sailors 43 43
9 La Jolla High School La Jolla High School Vikings 46 46
10 Coronado Islanders Coronado Islanders Islanders 58 58
SchoolTeam R1 R2 R3 R4 R5 R6 TOT
Mater Dei High School Mater Dei High School Monarchs 1 3 2 1 1 3 11
Redwood Redwood Giants 2 6 1 3 2 4 18
Corona del Mar High School Corona del Mar High School Sea Kings 6 2 3 2 5 2 20
Cathedral Catholic High School Cathedral Catholic High School Dons 5 7 6 5 6 1 30
Coastal Academy High School Coastal Academy High School Stingrays OCS 1 4 4 7 6 33
Alameda High School Alameda High School Hornets 4 5 5 7 8 5 34
Point Loma High School Point Loma High School Pointers 3 9 7 9 3 7 38
Newport Harbor High School Newport Harbor High School Sailors 7 8 9 6 4 9 43
La Jolla High School La Jolla High School Vikings 9 4 8 8 9 8 46
Coronado Islanders Coronado Islanders Islanders 8 10 10 10 10 10 58

Performance rating asks, for each skipper: holding every other boat fixed, which rating makes my actual race-by-race finishes least surprising? Boats are valued with the keelboat rating rather than the fleet rating: 0.41 × the skipper's fleet rating from the week before the event (unrated skippers start at 0.47); 0.28 × the mean fleet rating of the rated crew aboard; the skipper's own keelboat offset; the school's program effect. Non-finishes (OCS, DNF and similar) are left out of the fitting, as in the rating model.

Percentile places a rating among the 78 ISSA sailors with a keelboat rating who raced the discipline in the last three seasons. Surprise is how many bits more surprising the finishes were at the pre-event rating than at the performance rating. P(this good or better) simulates the event 3,000 times at the pre-event ratings, with the same regatta-form model as the fleet analysis pages, and reports how often the skipper would score this many points or fewer in the races they sailed.

The keelboat offsets are the current ones (the discipline files keep no weekly history), so a skipper's own offset has already seen this event; offsets are shrunk hard, so the effect is a few hundredths at most. Only skippers are rated.

Division A  10 boats · 6 races

FinSkipperSchool Races Rating
before
Perf.
rating
Δ Percentile
before → perf.
Surprise
(bits)
P(this good
or better)
Avg finish
actual / exp.
1Nickolas Lech '26Mater Dei High School6/62.313.84+1.5399th → 99th4.45%1.8 / 4.1
2Mark Xu '26Redwood6/62.032.79+0.7699th → 99th1.517%3.0 / 4.6
3Siena Nichols '27Corona del Mar High School6/62.292.46+0.1799th → 99th0.134%3.3 / 4.1
4Owen Fretwell '26Cathedral Catholic High School6/61.891.81−0.0799th → 99th0.060%5.0 / 4.8
5Alex Fisher '27Coastal Academy High School6/61.282.07+0.7891st → 99th1.442%5.5 / 5.9
6Reid Sojka '26Alameda High School6/61.311.60+0.2992nd → 94th0.350%5.7 / 5.8
7Zachary Peterson '26Point Loma High School6/61.660.92−0.7499th → 72nd1.878%6.3 / 5.2
8Reid White '27Newport Harbor High School6/61.380.73−0.6692nd → 56th1.483%7.2 / 5.7
9Malia Wilke '28La Jolla High School6/60.810.46−0.3665th → 36th0.476%7.7 / 6.6
10Fiona Toohey '28Coronado Islanders6/6-0.28-1.43−1.151st → 1st1.391%9.7 / 8.3

Conditions — 09/20/2025 (8am–6pm)

☀️Clear sky
Humidity 81%  ·  Pressure 1014.4 hPa

Temperature

73°F
↑ 76°F   ↓ 67°F
Feels like 77°F

Wind

● from   ▲ toward
5.1 kn
avg  ·  max 7.3 kn
Gusts to 18.1 kn
From NW (308°)

Sky & Precipitation

Cloud cover36% Sunshine9.1 hrs Humidity81% Pressure1014.4 hPa

What this breeze does at San Diego Yacht Club — from fleet racing

Breeze: NW about 8 kn (weather reanalysis in the scorer’s units)
In fleet races at San Diego Yacht Club in this breeze: a favourites’ day (+0.09)
Favourites’ conditions: in fleet racing here the results follow the ratings more closely than usual, and the top seeds hold their places.

Orderliness is how tightly a fleet race’s finishing order follows the pre-regatta ratings, relative to a typical event (0): positive is the favourites’ day, negative the underdogs’. A value of ±0.09 means a rating gap counts about 7% more than on a typical day. This event is not a fleet race the rating model scores, so there is no actual value for it: this is what this venue’s fleet racing history says about the breeze on the day, read off the chart at the star. How this is estimated · compare venues.

Orderliness beyond the fleet at San Diego Yacht Club by wind direction (angle) and speed (rings), fitted surface; dots are labelled regatta-days, ★ this regatta (only 3 labelled days at San Diego Yacht Club, so the surface is mostly the all-venue pattern).

From the notes

Short write-ups of what the ratings and results show, with the numbers and how they were computed.

All notes →