Region

Santa Rosalía / Mulegé Sea Surface Temperature & Chlorophyll Charts

Satellite SST, chlorophyll and depth structure for Santa Rosalía / Mulegé. Find the temperature break and color edge before you burn the fuel.

Santa Rosalía / Mulegé bathymetry and named fishing spots base map

Live SST & chlorophyll for Santa Rosalía / Mulegé

This preview shows depth and structure only. Unlock the live satellite water temperature and color layers, updated throughout the day.

Named spots

SpotTypeDepthFrom nearest port
Guaymas Basinfeature1012 fm–

Nearby buoys

Point Arena
59°F
wind 16 kt · seas 8 ft
2026-10-19 10:10 UTC · NOAA NDBC 46014
San Francisco
60°F
wind 14 kt · seas 6 ft
2026-10-19 10:10 UTC · NOAA NDBC 46026
Half Moon Bay
63°F
air 59°F · wind 12 kt · seas 7 ft
2026-10-19 10:00 UTC · NOAA NDBC 46012
Monterey
64°F
air 60°F · wind 12 kt
2026-10-19 10:10 UTC · NOAA NDBC 46042
West California (offshore)
65°F
air 63°F · wind 8 kt · seas 8 ft
2026-10-19 10:10 UTC · NOAA NDBC 46059
Cape San Martin
65°F
air 61°F · wind 18 kt · seas 8 ft
2026-10-19 10:10 UTC · NOAA NDBC 46028

Latest NOAA NDBC observations. Satellite and in water readings may differ.

Fishing Santa Rosalía / Mulegé

Santa Rosalia and Mulege sit on the mid Gulf coast, and the chart here reads as warm Cortez water worked hard by current. This stretch runs warm and blue through much of the year, but strong currents push around the islands and points and stack up temperature breaks and color changes that a flat basin would not show. The hunt is about finding those breaks and the clean water edges, and reading where the current is concentrating bait, rather than just looking for the warmest number on the chart.

Structure drives it. Isla San Marcos sits off Santa Rosalia with deep edges, Isla Tortuga is a volcanic island offshore with a long reputation for yellowtail, and Punta Chivato anchors the coast between them. The strong currents around these islands and points are what make the edges fish, so a temperature or color break sitting over that structure is the target. Pairing the SST and chlorophyll layers with the depth contours is how you line up the warm water, the edge and the bottom in one spot.

Seasonally the yellowtail are the signature fish here, working the island structure, with dorado filling in through the warm months and marlin and sailfish showing in summer. Cabrilla and pargo hold on the reefs and rock. None of it is promised. Warm years and cool years look very different, currents shift, and seasons and regulations change, so always check current rules.

The move is to watch where the current is setting a break or a color edge against Isla San Marcos, Isla Tortuga or Punta Chivato, and to run to the structure that has the temperature, the color and the current all working together rather than chasing warm water with no edge to it.

What you get with ReelTemps

From the water

★★★★★
I've tried every temp map out there and they all feel like they were built ten years ago. I'm not exactly a tech guy, but this one actually makes sense the second you open it. First time using it, I marked a break in about 30 seconds the night before and boated bluefin right on it the next morning.
CR
Captain RobCharter captain · San Francisco, CA
★★★★★
Used to burn half a tank driving around looking for color change or a solid temp break. Now I check ReelTemps before I leave the dock and I know exactly where I'm going. Less time driving around guessing, more time with lines in the water.
PE
PeteHalf Moon Bay, CA
★★★★★
Albacore season used to mean a couple hours of homework the night before and just hoping it held up. Now I do most of my research that morning and pull it up on my phone if things change once we're out there. Makes calling an audible a lot easier.
KE
KevinBodega Bay, CA

Santa Rosalía / Mulegé FAQ

What am I looking for off Santa Rosalia and Mulege?
The temperature and color breaks that the current stacks up around the islands and points, and the clean water edges that come with them. It is less about the warmest water and more about where the current is concentrating bait against the structure.
How much do the islands and currents matter?
A lot. Isla San Marcos, the volcanic Isla Tortuga and Punta Chivato all have strong current running past them, and that is what makes their edges fish. A temperature or color break sitting over that structure is the target, which is why the depth layer rides alongside the SST.
What runs here and when?
Yellowtail are the signature fish, working the island structure, with dorado through the warm months and marlin and sailfish in summer. Cabrilla and pargo hold on the reefs and rock. Seasons and regulations change every year, so check current rules.
Is the Santa Rosalia and Mulege chart buoy calibrated?
No. These are Mexican waters in the Sea of Cortez with no NOAA or NDBC buoys nearby, so there are no in water readings to check the satellite SST against. The chart stands on the satellite passes themselves, so read it for the breaks and the relative temperature changes rather than an exact degree.

Nearby regions

Not for navigation. ReelTemps is a fishing intelligence tool, not a nautical chart. Sea surface temperature data courtesy of NOAA CoastWatch and NASA PO.DAAC. Buoy observations from NOAA NDBC.