Marine Forecast for Aug 15–17, 2026
📋 Confused cross-seas all weekend; light winds don't offset choppy swell mix
Light-to-moderate 10-15kt NW winds all day, but a SW swell crossing the NW wind-wave creates a confused, uncomfortable cross-sea all 24 hours. No clean heading avoids the awkward motion; use caution, especially near midday peak winds and 5.7-5.8ft seas.
Manageable 8-15kt NW winds, but a WSW swell crossing the NW wind-wave keeps a confused, choppy cross-sea going all day. Seas peak near 5.8ft midday before easing toward evening as winds drop to under 10kt. Treat with caution despite the light winds.
NW winds 7-16kt with a WSW swell crossing the wind-wave keep a confused cross-sea going most of the day, worst during the late-morning wind peak. Conditions finally clean up after 8:00 PM as the cross-sea eases - the best window of the whole forecast.
Winds stay light-to-moderate (7-16 knots) from the northwest all three days, which alone would be comfortable, but a persistent SSW-to-WSW swell crossing the NW wind-driven chop creates an awkward confused sea state each day. This cross-sea pattern eases somewhat late Monday as the wind-wave component weakens, opening a better window that evening.
Recent days at San Jaime Bank
Today’s Water at San Jaime Bank
Sea surface temperature and chlorophyll around San Jaime Bank, imaged fresh every morning. Water at the star is 86.9°F today, and chlorophyll of 0.12 mg/m³ reads as blue-green transition water at the spot.
Imagery: Aug 15, 2026 · rebuilt every morning
These charts show you the breaks. DeepCast reads them. A zone-by-zone AI fishing report for these exact waters — temperature edges, color changes, and structure, analyzed together — for $4.99.
Get the AI fishing reportSST and chlorophyll from the SeaLegs AI DeepCast satellite pipeline. Charts are a planning aid — always check the official marine forecast before making the run.
About San Jaime Bank
San Jaime Bank is one of the premier offshore grounds off Cabo San Lucas — a deep bluewater bank roughly 20 nautical miles southwest of Land's End that rises from the Tinaje Trough. Upwelling over the structure stacks bait and concentrates blue and black marlin, yellowfin tuna, and dorado, which is why it anchors the offshore leg of the big Cabo tournaments and fishes well all season.
It is open Pacific water with no shelter on the run out, so the forecast below is built around the two things that decide a bank trip: swell period and wind against current. Each day gets an honest GO, CAUTION, or NO-GO call — the same AI rating used in the SeaLegs AI app.
Reading conditions at San Jaime Bank
The productive bank sits about 20 miles off the cape, so a San Jaime day is a real offshore commitment — a calm morning at Land's End says little about what the bank is doing by mid-afternoon. The same point where the Pacific swell wraps the cape can stand the sea up steep when wind runs against the current, so weight the swell period as heavily as the height: a long-period swell rides very differently from short, stacked wind chop at the same wave height.
Upwelling from the Tinaje Trough is what makes the bank fish — it stacks sardine, mackerel, and squid and holds marlin and tuna over the structure — but that same open-ocean exposure is why the return leg deserves as much planning as the run out. Pick the day the window stays open on both ends, and always confirm the official marine forecast and warnings before you leave the dock.
San Jaime Bank forecast FAQ
How far is San Jaime Bank from Cabo San Lucas?
San Jaime Bank lies about 20 nautical miles southwest of Land's End at Cabo San Lucas — a genuine open-Pacific crossing with no shelter along the way, which is why the multi-day outlook matters more here than for nearshore trips.
What's the fishing like at San Jaime Bank?
It's a premier bluewater bank: upwelling over the structure from the Tinaje Trough stacks bait and concentrates blue and black marlin, yellowfin tuna, and dorado. It fishes all season and is one of the offshore banks the big Cabo tournaments run to.
How often is this San Jaime Bank forecast updated?
The forecast on this page is rebuilt every morning from the latest marine model data, and the SpotCast card refreshes live in your browser. The date stamp above the outlook shows exactly when it was last generated.
What do GO, CAUTION, and NO-GO mean?
GO means conditions are favorable for most recreational offshore boats. CAUTION means marginal — pay close attention to swell period and the wind trend before committing to the crossing. NO-GO means conditions are hazardous for small craft and the trip is best postponed.
Can I get a forecast like this for my own spot?
Yes. In the free SeaLegs AI app you can drop a pin on any spot on Earth — San Jaime, the Golden Gate, or your own bank numbers — and get the same AI-rated marine forecast, plus fishing reports and trip planning.
What is the water temperature at San Jaime Bank today?
As of Aug 15, 2026, the satellite-derived sea surface temperature at San Jaime Bank is about 86.9°F, with chlorophyll around 0.12 mg/m³ (blue-green transition water). The SST and chlorophyll charts on this page are rebuilt every morning from the SeaLegs AI DeepCast satellite pipeline.
More offshore forecasts
Get this forecast for your own spot
Drop a pin on any spot on planet Earth in the free SeaLegs AI app — AI marine forecasts, fishing reports, and trip planning, rated GO / CAUTION / NO-GO.
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