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Marine Weather and Tide Forecast for Napa, CA

June 25, 2024 9:18 AM PDT (16:18 UTC) Change Location
Sunrise 5:45 AM   Sunset 8:38 PM
Moonrise 10:52 PM   Moonset 8:35 AM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

Marine Forecasts
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PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 857 Am Pdt Tue Jun 25 2024

Today - SW wind 5 to 10 kt. Waves around 2 ft or less. A slight chance of tstms.

Tonight - SW wind 5 to 10 kt. Waves around 2 ft or less. A slight chance of tstms in the evening.

Wed - SW wind 10 to 15 kt. Waves around 2 ft or less.

Wed night - SW wind 10 to 15 kt. Waves around 2 ft or less.

Thu - W wind 5 to 10 kt, becoming sw 10 to 15 kt in the afternoon. Waves around 2 ft or less.

Thu night - SW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Waves around 2 ft or less.

Fri - SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Waves around 2 ft or less.

Fri night - SW wind 10 to 15 kt. Waves around 2 ft or less.

Sat - SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Waves around 2 ft or less.

Sat night - SW wind 10 to 15 kt. Waves around 2 ft or less.
winds and waves higher in and near tstms.

PZZ500 857 Am Pdt Tue Jun 25 2024

Synopsis for the central california coast and bays including the Monterey bay - Greater farallones - .and cordell bank national marine sanctuaries - . Moderate to breezy northwesterly continue. Stronger northwesterly breezes arrive into Wednesday morning creating hazardous conditions for small crafts across all the waters. Significant wave heights will continue to abate below 10 feet through the period.


7 Day Forecast for Marine Location Near Napa, CA
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Area Discussion for - San Francisco/Monterey Bay Area, CA
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NOTE: mouseover dotted underlined text for definition
819 FXUS66 KMTR 251058 AFDMTR

Area Forecast Discussion National Weather Service San Francisco CA 358 AM PDT Tue Jun 25 2024

New AVIATION, MARINE

SYNOPSIS
Issued at 315 AM PDT Tue Jun 25 2024

Elevated thunderstorms, with isolated to scattered coverage may produce lightning strikes capable of igniting grass fires today into the early evening hours.

SHORT TERM
(Today and tonight)
Issued at 315 AM PDT Tue Jun 25 2024

Lift associated with an upper level low approaching the Pacific Northwest over the next couple of days, is producing scattered showers over the open water to our west. Lightning even farther west and closer to the base of the trough can currently be seen tracking northeast overnight. The persistent ridging over the desert southwest will deflect the strongest energy associated with the trough to our north over the next twenty four hours. Scattered showers that develop this afternoon in an area of upper level diffluent flow (mainly across Monterey Bay and points north) will be capable of producing primarily elevated thunderstorms with limited coverage. There is some concern for any elevated storms producing lightning strikes across the northern half of our area being capable of igniting a grassfire. However, instability is weak with little to no CAPE evident. Later tonight into early Wednesday, upper level flow across our latitude becomes more zonal as the upper level low moves onshore into Washington state. Normal to slightly above normal max temperatures inland today will cool a few degrees tomorrow.

LONG TERM
(Wednesday through Monday)
Issued at 315 AM PDT Tue Jun 25 2024

The southern extent of an upper level trough axis will shift east across our area Thursday morning, as upper level flow shifts from zonal to northwest and shortwave ridging over the Pacific Northwest takes shape in the wake of the trough. The more amplified portion of the upper ridge will remain north of our area and another upper trough moves onshore over the weekend. Temperatures will cool nicely from today`s peak, for the end of the week into the weekend as cooler temperatures aloft spread over our region. A warmup looks likely for the beginning of next week as broad troughing is established across western CONUS.

AVIATION
(12Z TAFS)
Issued at 355 AM PDT Tue Jun 25 2024

The low chance-high impact threat remains for high-based convection through this evening. The latest lightning strikes were seen 300 miles off the coast of Point Piedras Blancas. Currently VFR at all terminals. VFR through the TAF period for APC, LVK, SJC, and STS.
Overnight the Bay Area terminals of OAK and SFO will deteriorate to low-end MVFR while the Monterey Bay terminals of MRY and SNS will deteriorate to IFR. Winds will remain onshore through the TAF period.

Vicinity of SFO...Currently VFR with westerly flow. Winds will prevail out of the west through the TAF period. A low-end MVFR ceiling will return to the terminal in the early morning hours of Wednesday, scattering out towards the end of the TAF period.

SFO Bridge Approach...Similar to SFO.

Monterey Bay Terminals...Currently VFR and calm at both terminals.
Winds will prevail out of the west/northwest through the TAF period.
Low confidence on if LIFR stratus will return to the terminals this morning, but moderate confidence in IFR stratus returning to both terminals overnight.

MARINE
(Today through Sunday)
Issued at 355 AM PDT Tue Jun 25 2024

Fair weather and moderate to fresh northwesterly breezes will prevail today. By Wednesday, surface high pressure over the Eastern Pacific Ocean builds, tightening the pressure gradient, resulting in strong northwesterly breezes through the end of the period. Significant wave heights will continue to abate below 10 feet through the period.

FIRE WEATHER
Issued at 315 AM PDT Tue Jun 25 2024

There is a slight chance of thunderstorms this afternoon, with limited coverage. Given the elevated nature of any storms that may develop, any rainfall amounts, if any, will be light with some VIRGA possible and subsequent gusty winds. Any strikes that do occur may cause a fire start in the fine fuels.

MTR WATCHES/WARNINGS/ADVISORIES
CA...None.
PZ...Small Craft Advisory from 3 PM to 9 PM PDT Wednesday for Mry Bay- Pt Arena to Pt Reyes 10-60 NM-Pt Reyes to Pigeon Pt 0-10 nm.

Small Craft Advisory from 9 AM to 9 PM PDT Wednesday for Pigeon Pt to Pt Pinos 0-10 nm-Pigeon Pt to Pt Pinos 10-60 NM-Pt Arena to Pt Reyes 0-10 nm-Pt Pinos to Pt Piedras Blancas 0- 10 nm.

Small Craft Advisory until 9 AM PDT this morning for Pt Arena to Pt Reyes 10-60 NM.




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 17 mi49 minW 7G8.9 61°F 29.90
MZXC1 - 9415102 - Martinez-Amorco CA 20 mi49 minWNW 15G19 62°F 67°F29.88
UPBC1 20 mi49 minWNW 15G21
PCOC1 - 9415144 - Port Chicago, CA 21 mi49 minW 13G16 64°F 29.87
RCMC1 - 9414863 - Richmond, CA 27 mi49 minS 5.1G7 59°F 61°F29.90
PPXC1 - 9414847 - Richmond (Point Potrero), CA 28 mi49 minSSW 7G9.9 58°F 29.93
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 28 mi49 minNW 8.9G13 68°F 29.86
TIBC1 - Tiburon Pier, San Francisco Bay, CA 30 mi125 minN 2.9 62°F 29.8952°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 34 mi49 minNNW 4.1G5.1 58°F 29.91
LNDC1 35 mi49 minNNE 4.1G6 60°F 29.91
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 35 mi49 minN 2.9G2.9
PXOC1 - 9414311 - San Francisco (Pier 1), CA 35 mi49 minW 5.1G8 60°F 29.88
PXSC1 35 mi49 min 60°F
FTPC1 - 9414290 - San Francisco, CA 36 mi49 minW 4.1G8.9 55°F 29.92
AAMC1 - 9414750 - Alameda, CA 37 mi49 minW 2.9G5.1 60°F 66°F29.92
46237 - San Francisco Bar, CA (142) 40 mi49 min 54°F 55°F4 ft
PRYC1 - 9415020 - Point Reyes, CA 42 mi49 min 29.91
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 48 mi189 min 53°F5 ft


Wind History for Martinez-Amorco Pier, CA
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Airport Reports
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Link to 1 hour of 5 minute data for KAPC
   
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Wind History graph: APC
(wind in knots)
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Tide / Current for Napa, Napa River, Carquinez Strait, California
   
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Napa
Click for Map
Tue -- 04:06 AM PDT     7.51 feet High Tide
Tue -- 05:47 AM PDT     Sunrise
Tue -- 09:34 AM PDT     Moonset
Tue -- 11:38 AM PDT     -1.20 feet Low Tide
Tue -- 06:30 PM PDT     6.32 feet High Tide
Tue -- 08:36 PM PDT     Sunset
Tue -- 11:45 PM PDT     2.95 feet Low Tide
Tue -- 11:52 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Napa, Napa River, Carquinez Strait, California, Tide feet
12
am
3.7
1
am
4.7
2
am
5.9
3
am
7
4
am
7.5
5
am
7.3
6
am
6.4
7
am
4.9
8
am
3
9
am
1.2
10
am
-0.3
11
am
-1.1
12
pm
-1.1
1
pm
-0.4
2
pm
0.9
3
pm
2.5
4
pm
4.1
5
pm
5.5
6
pm
6.2
7
pm
6.2
8
pm
5.6
9
pm
4.7
10
pm
3.7
11
pm
3.1


Tide / Current for Mare Island Strait, So Vallejo, San Pablo Bay, California Current
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Mare Island Strait
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Tue -- 01:21 AM PDT     1.45 knots Max Flood
Tue -- 04:02 AM PDT     -0.00 knots Slack
Tue -- 05:47 AM PDT     Sunrise
Tue -- 06:52 AM PDT     -2.69 knots Max Ebb
Tue -- 09:35 AM PDT     Moonset
Tue -- 11:32 AM PDT     0.00 knots Slack
Tue -- 03:07 PM PDT     1.52 knots Max Flood
Tue -- 06:39 PM PDT     -0.00 knots Slack
Tue -- 08:09 PM PDT     -1.01 knots Max Ebb
Tue -- 08:35 PM PDT     Sunset
Tue -- 11:11 PM PDT     0.00 knots Slack
Tue -- 11:51 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Mare Island Strait, So Vallejo, San Pablo Bay, California Current, knots
12
am
1.1
1
am
1.4
2
am
1.3
3
am
0.8
4
am
0
5
am
-1.3
6
am
-2.4
7
am
-2.7
8
am
-2.5
9
am
-2
10
am
-1.4
11
am
-0.5
12
pm
0.4
1
pm
1
2
pm
1.4
3
pm
1.5
4
pm
1.4
5
pm
1.1
6
pm
0.5
7
pm
-0.4
8
pm
-1
9
pm
-0.9
10
pm
-0.6
11
pm
-0.1


Weather Map
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GEOS Local Image of Central West Coast   
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Sacramento, CA,




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