Monterey Bay Water Temperature, Tides & Buoy Report

Region: California

Monterey Bay is home to the Monterey Submarine Canyon, the deepest nearshore canyon on the West Coast — comparable in scale to the Grand Canyon and reaching over 1,000 feet deep within two miles of shore and exceeding 10,000 feet offshore. This geological feature drives extreme upwelling as cold, nutrient-rich water surges up the canyon walls, creating one of the most productive marine ecosystems in the Pacific. The bay's crescent shape and the canyon's proximity to shore mean that deep-water conditions exist remarkably close to the coastline, with the 1,000-foot depth contour running within 2 miles of Moss Landing.

NOAA Stations Near Monterey Bay

Frequently Asked Questions

What conditions does Big Buoy track near Monterey Bay?
Big Buoy tracks real-time water temperature, wave height, swell period and direction, wind speed and direction, and atmospheric pressure from 18 stations across the region, including Monterey (bay reference), Monterey Canyon Outer (canyon edge), Cabrillo Point (nearshore), and Half Moon Bay (northern approach). You also get 7-day tide forecasts, solunar tables, and extended weather outlooks covering the bay and surrounding coast.
How does the Monterey Submarine Canyon affect conditions?
The Monterey Submarine Canyon is the deepest nearshore canyon on the West Coast, reaching over 1,000 feet deep within two miles of shore and exceeding 10,000 feet offshore. It drives extreme upwelling that keeps water temperatures cold (48–58°F) year-round and creates one of the most productive marine ecosystems in the Pacific. The canyon also refracts incoming north Pacific swell, creating complex wave patterns that vary dramatically across the bay. Deep-water conditions exist remarkably close to the coastline — the 1,000-foot depth contour runs within 2 miles of Moss Landing.
What conditions should I check before heading out at Monterey Bay?
Swell height and period from the north Pacific are the first things to check — large swell wraps into the bay and refracts off the canyon walls, creating complex wave patterns. Fog conditions are critical: dense fog blankets the bay frequently from spring through fall and can reduce visibility to near zero. Wind follows a strong diurnal pattern — calm mornings give way to steep afternoon northwesterlies of 20–30 knots. Water temperature stays cold year-round (48–58°F) due to canyon-driven upwelling. Big Buoy shows real-time data from 18 NOAA stations covering the bay and surrounding coast plus tide and weather forecasts for planning around the morning calm window.
What NOAA stations does Big Buoy track near Monterey Bay?
Big Buoy tracks 882 NOAA buoys and 3,400+ tide stations nationwide, with many in the Monterey Bay area — including MONTEREY - 27NM WNW of Monterey, CA (46042), Monterey Canyon Outer, CA (156) (46236), Cabrillo Point, Monterey Bay, CA (158) (46240), HALF MOON BAY - 24NM SSW of San Francisco, CA (46012). Each station reports water temperature, wave height, wind speed and direction, and more — updated every 10 minutes. Open the map to see all stations near Monterey Bay.
What marine conditions are available for Monterey Bay?
Big Buoy shows real-time water temperature, wave height, swell period, wind speed and direction, 7-day tide tables with exact high and low times, and daily solunar peak windows for Monterey Bay.
Is Big Buoy free to use for Monterey Bay marine conditions?
Yes. Real-time buoy data, tides, and solunar for Monterey Bay are completely free with no account required. Big Buoy Pro adds the Wind Tab, the Depth Chart, satellite overlays (sea surface temp, chlorophyll, currents), 16-day forecasts, and forecast model switching.