Sunrise 6:25 AM   Sunset 7:51 PM Moonrise 4:03 PM   Moonset 4:04 AM

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PZZ545 Coastal Waters From Point Reyes To Pigeon Point California Out To 10 Nm- 246 Am Pdt Sat Apr 20 2024
.small craft advisory in effect from this afternoon through this evening - .
Today - NW winds 5 to 10 knots - .increasing to 10 to 20 knots with gusts up to 25 knots this afternoon. Wind waves 4 to 5 ft. SWell sw around 2 ft at 17 seconds. Tonight - NW winds 15 to 25 knots with gusts up to 30 knots. Wind waves 5 to 7 ft. W swell 2 to 3 ft at 13 seconds and sw around 2 ft at 16 seconds. Sun - NW winds 15 to 20 knots with gusts up to 25 knots. Wind waves 5 to 7 ft. NW swell 3 to 5 ft at 13 seconds and sw around 2 ft at 17 seconds. Sun night - NW winds 10 to 15 knots. Wind waves 6 to 8 ft. W swell 2 to 3 ft at 13 seconds and sw up to 2 ft at 17 seconds. Mon - SW winds 5 to 10 knots. Wind waves 4 to 5 ft. NW swell 3 to 5 ft at 12 seconds and sw around 2 ft at 16 seconds. Mon night - S winds 10 to 15 knots. Wind waves 3 to 4 ft. NW swell 3 to 5 ft at 12 seconds and sw around 2 ft at 16 seconds. Tue - SW winds 5 to 10 knots. Wind waves 2 to 3 ft. NW swell 2 to 4 ft and sw around 2 ft. Wed - W winds 10 to 15 knots with gusts up to 25 knots. Wind waves 2 to 3 ft. NW swell 2 to 3 ft and sw around 2 ft.
- .san francisco bar/fourfathom bank forecast - - .
in the deep water channel - .mixed seas of 1 to 2 ft at 14 seconds.
across the bar - .mixed seas of 3 to 4 ft at 14 seconds. Maximum ebb current of 2.3 kt at 03:22 am Saturday and 1.8 kt at 03:15 pm Saturday.

PZZ500 246 Am Pdt Sat Apr 20 2024
Synopsis for the central california coast and bays including the Monterey bay - Greater farallones - .and cordell bank national marine sanctuaries - .
northerly winds build into the afternoon today to become fresh to strong across much of the waters through early Monday morning. Gale force gusts are expected over the far northern outer waters in this same time period, but begin to diminish late Sunday night. Northwest swell builds Sunday as gusty conditions continue but looks to diminish towards the middle part of the next week. Light southerly swell continues to move through the waters this weekend and through the upcoming work week.

FXUS66 KMTR 200948 AFDMTR

Area Forecast Discussion National Weather Service San Francisco CA 248 AM PDT Sat Apr 20 2024

New SYNOPSIS, SHORT TERM, LONG TERM, MARINE

SYNOPSIS
Issued at 247 AM PDT Sat Apr 20 2024

Slight warming trend across the interior through Monday with diminishing marine influences near the coast. Potential drizzle/light rain chances mid-to-late next week.

SHORT TERM
(Today and tonight)
Issued at 247 AM PDT Sat Apr 20 2024

Expecting patchy coastal drizzle in the favored upslope regions this morning with conditions improving by late morning. This is as the marine layer remains around 1,000 feet in depth and will mix out by the afternoon. Inland temperatures are expected to reach the mid-to- upper 70s with coastal areas in the low 60s to low 70s this afternoon. Winds will be on the increase by this afternoon and will become breezy with northwest gusts between 25-35 mph near the coast, the coastal hills, and higher peaks across the region.
Overnight, temperatures will largely cool into the upper 40s to lower 50s.

LONG TERM
(Sunday through Friday)
Issued at 247 AM PDT Sat Apr 20 2024

Sunday and Monday will continue to be warm inland with temperatures more likely to reach the lower 80s across the interior. Meanwhile, coastal areas will peak in the low 60s to low 70s as the marine influence begins to diminish. By Tuesday, conditions cool as a well- advertised upper level low approaches and moves through the region. Cooler, unsettled weather will continue through late week with increased cloud cover and potential for light rainfall. Most likely scenario will be drizzle near the coast and in the hills with possible light rain elsewhere.

AVIATION
(06Z TAFS)
Issued at 1055 PM PDT Fri Apr 19 2024

Current VFR conditions tonight are expected to give way to scattered MVFR/IFR conditions. Terminals nearest to the coast are the most favored to see conditions deteriorate to MVFR/IFR as stratus slowly makes its way to the coast overnight. However, confidence in CIG development is only moderate, as the 00Z KOAK sounding indicates a decent dry layer in the mid to lower atmosphere.
Mixing of winds aloft may help to dry out the lower atmosphere as well. Model soundings also seem to reflect this. This may inhibit stratus development and prevent it from becoming as widespread in coverage as in previous nights. That being said, any CIGs that do develop tonight should be lower than those seen last night now that the shortwave trough has exited, which would have provided more lift. Lacking that tonight, the marine layer sits around 1300-1500' approximately. Thoughts are that terminals impacted by stratus tonight will see CIGs in the IFR range predominantly, and just a few on the cusp of MVFR. Clearing of stratus expected on the earlier side in the morning of Saturday, generally around 16Z.
Into the afternoon, breezy to moderate onshore winds increase and last through the evening, with wind shear developing in the North Bay and select SF bay terminals.

Vicinity of SFO...Currently VFR, expected to become MVFR in the early to mid morning of Saturday as low clouds develop. Current satellite imagery shows stratus just beginning to push into the SF bay. Clearing of stratus towards 16/17Z, with moderate to high confidence. Onshore winds moderate and gusting to around 25 knots in the afternoon.

SFO Bridge Approach...Similar to SFO.

Monterey Bay Terminals...Stratus currently sits away from the coast, but is expected to impact the terminals shortly, bringing IFR CIGs .
The Ft. Ord profiler shows a much more compressed marine layer compared to last night, bringing higher confidence in the development of IFR CIGs . Clearing is expected towards 17Z, and winds increase into the afternoon to become onshore and breezy once more.
Stratus does not appear to make a return until after the current TAF period.

MARINE
(Today through Thursday)
Issued at 247 AM PDT Sat Apr 20 2024

Northerly winds build into the afternoon today to become fresh to strong across much of the waters through early Monday morning.
Gale force gusts are expected over the far northern outer waters in this same time period, but begin to diminish late Sunday night.
Northwest swell builds Sunday as gusty conditions continue but looks to diminish towards the middle part of the next week. Light southerly swell continues to move through the waters this weekend and through the upcoming work week.

MTR WATCHES/WARNINGS/ADVISORIES
CA...None.
PZ...Small Craft Advisory from 3 PM this afternoon to 9 PM PDT this evening for Mry Bay-Pigeon Pt to Pt Pinos 0-10 nm-Pt Reyes to Pigeon Pt 0-10 nm.

Small Craft Advisory from 9 AM this morning to 9 PM PDT Sunday for Pt Arena to Pt Reyes 0-10 nm-Pt Pinos to Pt Piedras Blancas 0-10 nm.

Small Craft Advisory from 3 PM this afternoon to 3 AM PDT Sunday for Pt Arena to Pt Reyes 10-60 NM.

Gale Warning from 3 AM to 9 PM PDT Sunday for Pt Arena to Pt Reyes 10-60 NM.

Small Craft Advisory from 3 PM this afternoon to 9 PM PDT Sunday for Pigeon Pt to Pt Pinos 10-60 NM.

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Princeton, Half Moon Bay, California, Tide feet

San Mateo Bridge
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Sat -- 12:08 AM PDT     -0.00 knots Slack
Sat -- 03:30 AM PDT     -1.20 knots Max Ebb
Sat -- 05:03 AM PDT     Moonset
Sat -- 06:24 AM PDT     0.00 knots Slack
Sat -- 06:26 AM PDT     Sunrise
Sat -- 09:11 AM PDT     1.42 knots Max Flood
Sat -- 12:15 PM PDT     -0.00 knots Slack
Sat -- 03:32 PM PDT     -1.30 knots Max Ebb
Sat -- 05:01 PM PDT     Moonrise
Sat -- 06:36 PM PDT     0.00 knots Slack
Sat -- 07:49 PM PDT     Sunset
Sat -- 09:25 PM PDT     1.56 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION

San Mateo Bridge, South San Francisco Bay, California Current, knots

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