Mackerel Runs in San Diego: Seasonal Timing and Hunting Tactics
San Diego’s mackerel runs are one of the most predictable and rewarding spearfishing opportunities on the California coast. These fast, aggressive fish school in massive numbers during specific seasons, and knowing when and where to find them makes the difference between an empty bag and a loaded cooler.
When Mackerel Run in San Diego
Spring run (April–May): The primary mackerel season begins in late April and peaks through May. Water temperatures around 58–62°F trigger the first major migration inshore. Schools move into shallow reefs and kelp lines searching for spawning grounds and baitfish. This is the most consistent window—expect aggressive feeding and dense schools.
Summer extension (June–July): Mackerel remain abundant through early summer, though they often push deeper and further offshore as water warms. Morning and afternoon bite windows are shorter, with peak activity around sunrise and the two hours before sunset.
Fall resurgence (September–October): A secondary run occurs as water cools again. Schools consolidate and move back into accessible depths. October offers excellent conditions with cooler, clearer water and stable weather patterns.
Winter fade (November–March): Mackerel essentially disappear from San Diego’s inshore zones. They either move south or retreat to deep offshore grounds. Winter spearfishing for mackerel is possible but requires boat access and specialized deep-water techniques.
Location Breakdown
La Jolla Shores and Shores Reef: The sandy bottom and moderate depth (25–40 feet) make this a reliable spring spot. Mackerel hunt baitfish over the sandy flats and hold near the reef edges. Visibility is often 20–30 feet, ideal for sight-hunting.
Torrey Pines Reef: Deeper (40–60 feet) and more exposed, this location produces larger mackerel during peak run season. The rocky structure holds baitfish and provides cover. Plan for morning dives when surface conditions are calmest.
Sunset Cliffs and nearby breaks: Close to shore with quick access, these areas see consistent mackerel activity April through May. Shallow reef structure (15–35 feet) means less bottom time commitment and easier hunting.
Point Loma and Cabrillo: The rocky points and kelp forest attract schools during the spring run. Mackerel feed aggressively in the surge zone and along kelp stipes. Current can be strong—check conditions via the Element app before heading out.
Coronado Islands (boat access): For dedicated spearos, the islands offer pristine mackerel habitat. Schools are larger and less pressured. May and early June are peak windows.
Hunting Tactics
Read the water: Mackerel school near the surface during active feeding. Look for nervous surface activity, baitfish scattering, and bird action. Murky water or flat-calm conditions often mean mackerel are deeper or inactive.
Use the current: Mackerel hunt into current, positioning themselves to intercept drifting prey. Position yourself downcurrent from schools and move into their feeding line. Let the current work for you rather than fighting it.
Hunt in pairs: Mackerel are skittish and fast. Two hunters can cut off escape routes and increase success rates. Coordinate approach angles and stay 10–15 feet apart during the stalk.
Stay shallow when possible: Mackerel don’t require deep dives. Spring runs often occur in 20–40 feet of water. Shallower hunting conserves energy and allows longer bottom time for multiple shot opportunities.
Shoot the school, not the fish: Don’t fixate on a single mackerel. Fire at the densest part of the school where multiple fish are clustered. Your chances of a hit increase dramatically, and a wounded fish often triggers feeding aggression in nearby fish.
Timing within the day: Early morning (sunrise to 9 a.m.) produces the most consistent aggressive feeding. An afternoon session (4–6 p.m.) can also be productive, but midday often sees reduced activity.
Gear Considerations
A 5–6 mm spear with a 20–24 inch shaft is ideal for mackerel. Their speed and evasive nature demand accuracy over power. A three-prong or flopper head increases hook-up rates on these slippery fish. Bring a float line—mackerel can dive hard when hooked, and a float prevents loss.
Wear bright blue or yellow to stay visible to your hunting partner. Mackerel don’t spook easily from divers, but visibility matters when coordinating shots.
Final Notes
San Diego’s mackerel runs are a gift to the spearfishing community. They’re abundant, predictable, and forgiving enough for intermediate divers to succeed. Respect the resource by practicing selective harvesting—take what you’ll eat, and leave the rest for next season.
Check the Element app for real-time water temperature, visibility, and swell forecasts before heading out. These conditions directly impact mackerel behavior and your success rate.
Track water conditions and seasonal patterns with the Element app to time your mackerel hunts perfectly. Get alerts when temperature and visibility hit peak ranges for San Diego mackerel runs.