Chasm is a left-hander that peels over a rock ledge. It picks up swell from southwest to northwest and is usable from 0.6 m / 2 ft to 2.4 m / 8 ft. Look for an east offshore wind to clean it up. The reef breaks on low and mid tide, with a rising tide generally the better call.
Surf forecast for Chasm

⏱️Periods.
⚡️EnergykJ
Timezone:
America/Los_Angeles
Forecast updated:
21/09, 11:00 am
Wind: SN UNITY Atmos
(20260921 06z)
Waves: SN UNITY WAVE
(20260921 06z)
Weather
Monday 21/09
Moon phase
Waxing gibbous
77% illuminated
Closest moon phase
First quarter
Fri 18/09 01:45 pm
Tide range
0.5ft - 5.1ft
Low 01:06 am · High 06:35 pm
Next spring tide
Mon 28/09
6.2ft range
Next neap tide
Sat 26/09
5.5ft range
Timeline
Today Mon 21/09
Tomorrow Tue 22/09
Wed 23/09
Today Mon 21/09
Tomorrow Tue 22/09
Wed 23/09
Fri 25/09
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Chasm Surf Forecast Guide
Surf spots near Chasm
Sub
California, United States
Reef break
Mon 21
Tue 22
Wed 23
Thu 24
Fri 25
Ab (Abalone)
California, United States
Reef break
Mon 21
Tue 22
Wed 23
Thu 24
Fri 25
New Break
California, United States
Reef break
Mon 21
Tue 22
Wed 23
Thu 24
Fri 25
South Ab
California, United States
Reef break
Mon 21
Tue 22
Wed 23
Thu 24
Fri 25
Chasm
California, United States
Reef break
Mon 21
Tue 22
Wed 23
Thu 24
Fri 25
Frequently asked questions
What are good surfing conditions for Chasm?
Chasm is usually best with southwest to northwest (SW-NW) swell around 0.6 m / 2 ft to 2.4 m / 8 ft, east (E) offshore wind, and low to mid tide.
Where is the surf spot Chasm?
Chasm is a surf spot in San Diego, California, United States.
What is the surf break like at Chasm?
Chasm is a left reef break over rock ledge.
What surf spots are near Chasm?
Other nearby surf spots are New Break, South Ab, Ab (Abalone), and Sub.
What swell direction works for surfing at Chasm?
Chasm can work with swell from southwest to northwest (SW-NW).
What swell size works for surfing at Chasm?
Chasm usually works with swell around 0.6 m / 2 ft to 2.4 m / 8 ft.
What wind direction is best for surfing at Chasm?
East (E) offshore wind is usually best at Chasm.
What wind direction is offshore for surfing at Chasm?
East (E) is offshore at Chasm.
What tide works best for surfing at Chasm?
Chasm works best around low to mid tide. A rising tide is usually better here.
