Marine Weather Net

Monterey Bay Marine Forecast


TONIGHT

NE
WINDS
5 - 10
KNOTS

SAT

E
WINDS
5 - 10
KNOTS

SAT NIGHT

NE
WINDS
5 KNOTS

SUN

NE
WINDS
5 - 10
KNOTS

The Marine Weather Forecast In Detail:
PZZ535 Forecast Issued: 803 PM PST Fri Jan 16 2026

Tonight...Ne Wind 5 To 10 Kt. Seas 3 To 4 Ft. Wave Detail: W 3 Ft At 13 Seconds. Areas Of Fog Early This Evening.
Sat...E Wind 5 To 10 Kt, Becoming N In The Afternoon. Seas Around 3 Ft. Wave Detail: W 3 Ft At 12 Seconds.
Sat Night...Ne Wind Around 5 Kt. Seas Around 3 Ft. Wave Detail: W 3 Ft At 15 Seconds.
Sun...Ne Wind 5 To 10 Kt, Becoming Nw In The Afternoon. Seas 3 To 4 Ft. Wave Detail: W 3 Ft At 15 Seconds.
Sun Night...Ne Wind Around 5 Kt, Rising To 5 To 10 Kt After Midnight. Seas 3 To 4 Ft. Wave Detail: W 3 Ft At 14 Seconds.
Martin Luther King Jr Day...Ne Wind 5 To 10 Kt, Backing To Nw In The Afternoon. Seas Around 3 Ft. Wave Detail: W 3 Ft At 13 Seconds.
Mon Night...Ne Wind Around 5 Kt. Seas Around 3 Ft. Wave Detail: W 3 Ft At 12 Seconds.
Tue...Ne Wind Around 5 Kt, Backing To Nw Around 5 Kt In The Afternoon. Seas 3 To 4 Ft. Wave Detail: W 3 Ft At 12 Seconds.
Tue Night...Light And Variable Winds, Becoming Ne Around 5 Kt After Midnight. Seas 3 To 4 Ft. Wave Detail: W 4 Ft At 13 Seconds.
Wed...Ne Wind Around 5 Kt, Backing To W Around 5 Kt In The Afternoon. Seas 3 To 4 Ft. Wave Detail: Sw 2 Ft At 10 Seconds And W 4 Ft At 14 Seconds.
Wed Night...Sw Wind Around 5 Kt, Backing To E After Midnight. Seas 3 To 4 Ft. Wave Detail: Sw 2 Ft At 9 Seconds And W 3 Ft At 13 Seconds. Locally Lower Winds And Seas Across Sheltered Portions Of The Bay.
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Area Forecast Discussion
National Weather Service San Francisco CA 934pm PST Fri Jan 16 2026

Issued at 934pm PST Fri Jan 16 2026

High temperatures were above to well above normal today. There was one record high temperature at the long term sites, Redwood City reached 77F today. The previous record on this date was 74F in 2014. Strong 500 mb high pressure continues to reside over the forecast area, along with a strong offshore pressure gradient from Winnemucca to SFO Airport. Patchy dense fog redevelops tonight and Saturday morning. Dry weather continues through the middle of next week.

The evening 00z Oakland upper air balloon was a missed flight due to time needed to fix/reset the system. Routine twice daily (00z and 12z) upper air balloon fligheights are to resume 12z tomorrow (Saturday).

Forecast is on track, no further updates anticipated.

.SHORT TERM... Issued at 108pm PST Fri Jan 16 2026 (This evening through Saturday)

Once again, the North Bay Valleys have cleared out of the fog with some still lingering across the far interior East Bay Valleys. With high pressure aloft, it is another very warm day across the region. This is especially so across the Central Coast with temperatures already in the upper 60s to low 70s. In the higher terrain across all of the region, temperatures range from the mid 70s to low 80s.

Tonight, expecting another round of fog to develop across the West Delta, North Bay Valleys, and East Bay Valleys as similar conditions are likely.

Tomorrow, similar conditions as today are expected across much of the region as the high pressure largely remains the dominate feature and offshore winds in the higher elevations persist.

Long Term
Issued at 1241am PST Fri Jan 16 2026 (Saturday through Thursday)

Nice, dry weather will continue for the next several days. Some high clouds will roll in from the south this weekend, which should moderate both max and min temperatures a bit, while producing some colorful sunrises and sunsets. Ensemble cluster analysis shows high confidence that the strong ridge at 500 mb over the Gulf of Alaska will gradually erode over the next 5-7 days. The uncertainty grows beyond the middle of next week, but either zonal flow or a troughing pattern seems more likely than continued ridging. While the change at the surface will be subtle, onshore flow will gradually return, high temperatures will cool a few degrees, and coastal clouds will start creeping back in by the middle of next week. If the pattern becomes more active, there is a chance for very light rain as early as next Thursday, with a stronger signal for more substantial precipitation by the middle of the following week (end of January).

Marine
(Tonight through next Thursday) Issued at 803pm PST Fri Jan 16 2026

Dry weather will continue through the middle of next week. Surface high pressure over the Great Basin will result in gentle offshore breezes. Light seas continue into early next week before the next round of long period swell arrives and brings light to moderate seas.

NOAA San Francisco Bay Area Office: Watches - Warnings - Advisories
CA...None. PZ...None.

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