Foster City, CA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Foster City, CA


December 7, 2023 6:40 PM PST (02:40 UTC)
Sunrise 7:09AM   Sunset 4:52PM   Moonrise  1:47AM   Moonset 1:43PM 

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. Privacy and Cookie policy

Marine Forecasts
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PZZ531 San Francisco Bay South Of The Bay Bridge- 212 Pm Pst Thu Dec 7 2023
Today..SW winds 5 to 10 knots, becoming W 10 to 15 knots this afternoon. Rain.
Tonight..NW winds 15 to 20 knots. A slight chance of rain.
Fri..N winds 10 to 15 knots.
Fri night..NE winds 10 to 15 knots.
Sat..NE winds 5 to 10 knots.
Sat night..NE winds 5 to 10 knots.
Sun..N winds 5 to 10 knots.
Mon..NW winds 5 to 10 knots.

PZZ500 212 Pm Pst Thu Dec 7 2023
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries...
northwest winds are increasing as a band of showers that continues to move through the waters. Winds will reduce into the late night as rain chances exit. Elevated seas between 12-15 feet will persist through late week as a series of long period northwest swells propagate through the waters, resulting in hazardous conditions for small crafts.


7 Day Forecast for Marine Location Near Foster City, 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
FXUS66 KMTR 080227 AFDMTR

Area Forecast Discussion National Weather Service San Francisco CA 621 PM PST Thu Dec 7 2023

New AVIATION, MARINE

SYNOPSIS
Issued at 1233 PM PST Thu Dec 7 2023

Rain comes to an end by late in the day. Cold overnight temperatures are expected for the next couple of nights, especially across the interior. Warming trend expected early next week.

SHORT TERM
(This evening through Friday)
Issued at 1233 PM PST Thu Dec 7 2023

Light to moderate rain is moving across the North Bay as of this writing, will sweep through the Bay Area between 12 PM - 2 PM, and then arrive along the Central Coast early/mid afternoon. Rainfall amounts will be light with the North Bay coastal ranges seeing the highest totals, up to 0.25". Around 0.10" is expected in the North Bay Valleys and across the City, then amounts tapper downward as one heads south.

A colder air mass will then settle into the region overnight. Lows are expected to cool into the lower 30s in the wind-sheltered interior. Elsewhere, expecting temperatures to lower into the mid 30s to lower 40s. A Frost Advisory has been issued for the North Bay Valleys, Southern Salinas Valley, southern portions of Monterey/San Benito counties for tonight.

Tomorrow, high temperatures will struggle to warm above the upper 50s (lower 40s in the peaks).

LONG TERM
(Friday night through next Wednesday)
Issued at 1233 PM PST Thu Dec 7 2023

Saturday morning will be the coldest with interior areas dropping into the mid 20s to lower 30s. For this, we have a Freeze Watch in effect for the aforementioned zones. A gradual warming trend will resume heading into next week.

AVIATION
(00Z TAFS)
Issued at 621 PM PST Thu Dec 7 2023

A cold front located across the north Central Coast over to Santa Clara County continues moving southeastward. Showers along the cold front and a few lingering showers in the wake of the cold front are forecast to diminish across our forecast area tonight.
Conditions are currently MVFR-VFR except KCVH briefly reported IFR ceiling and visibility.

Patchy fog, possibly dense fog, /LIFR-IFR/ may develop tonight and Friday morning due to moistened boundary layer air, light winds, clearing, long December night-time radiative cooling to space. Recent statistical guidance e.g. for KSTS is weighted toward fog tonight. The 00z Oakland upper air sounding showed the highest distribution of water vapor at and below 8500 feet and it was drier above 8500 feet. The synoptic pattern transitions from mid to upper level troughing this evening to ridging, including lower to mid level thermal ridging Friday. Surface high pressure builds over far northern California to the Great Basin resulting in offshore winds Friday through Friday night.

Vicinity of SFO...VFR, west wind 5 to 10 knots this evening.
Statistical guidance wind forecasts may be a bit overdone, if the surface winds do diminish to light overnight then fog /LIFR/IFR/ is more likely to develop late tonight and Friday morning; not indicated in current 00z TAF, though will monitor satellite and surface observations and amend if needed. Otherwise mixing winds resulting in VFR for KSFO Friday, best chances VFR late morning and afternoon.

SFO Bridge Approach...Similar to SFO

Monterey Bay Terminals...It's MVFR-VFR with occasional showers; the cold front continues to move southeastward across the north Central Coast. Boundary layer air moistened from rain may result in patchy low clouds and fog /LIFR-IFR/ overnight and Friday morning; not indicated in current 00z TAFs, though will monitor satellite and surface observations and amend if needed. Mixing winds Friday resulting in VFR.

MARINE
(Tonight through next Tuesday)
Issued at 350 PM PST Thu Dec 7 2023

Northwest winds are increasing as a band of showers that continues to move through the waters. Winds will reduce into the late night as rain chances exit. Elevated seas between 12-15 feet will persist through late week as a series of long period northwest swells propagate through the waters, resulting in hazardous conditions for small crafts.

MTR WATCHES/WARNINGS/ADVISORIES
CA...Freeze Warning from midnight tonight to 9 AM PST Friday for CAZ506-516-518.

Freeze Watch from late Friday night through Saturday morning for CAZ506-516-518.

PZ...Small Craft Advisory until 9 AM PST Friday for Pigeon Pt to Pt Pinos 0-10 nm-Pt Arena to Pt Reyes 0-10 nm-Pt Reyes to Pigeon Pt 0-10 nm.

Small Craft Advisory until 3 AM PST Saturday for Pt Pinos to Pt Piedras Blancas 0-10 nm.

Small Craft Advisory until 9 PM PST Friday for Pigeon Pt to Pt Pinos 10-60 NM-Pt Arena to Pt Reyes 10-60 NM.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
RTYC1 - 9414523 - Redwood City, CA 3 mi52 min WSW 5.1G6 55°F 57°F30.21
AAMC1 - 9414750 - Alameda, CA 16 mi52 min W 5.1G6 56°F 56°F30.22
LNDC1 17 mi52 min WNW 2.9G7 56°F 30.21
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 18 mi52 min W 7G8.9
OKXC1 - 9414776 - Oakland (Berth 34), CA 19 mi52 min NW 5.1G7 55°F 30.21
PXOC1 - 9414311 - San Francisco (Pier 1), CA 19 mi52 min W 6G11 55°F 30.18
PXSC1 19 mi52 min 56°F
FTPC1 - 9414290 - San Francisco, CA 21 mi52 min W 6G8.9 55°F 59°F30.20
PPXC1 - 9414847 - Richmond (Point Potrero), CA 25 mi52 min 56°F 30.22
TIBC1 - Tiburon Pier, San Francisco Bay, CA 26 mi115 min S 4.1 52°F 30.1845°F
46237 - San Francisco Bar, CA (142) 27 mi70 min 56°F 56°F9 ft
RCMC1 - 9414863 - Richmond, CA 27 mi52 min WNW 5.1G6 55°F 56°F30.21
MZXC1 - 9415102 - Martinez-Amorco CA 34 mi52 min WSW 8.9G9.9 54°F 56°F30.20
UPBC1 34 mi52 min W 8.9G12
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 35 mi40 min NW 16G19 57°F30.24
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 35 mi52 min W 8G11 55°F 30.19
1801589 36 mi130 min NNW 13G16 58°F 58°F13 ft30.2151°F
PCOC1 - 9415144 - Port Chicago, CA 37 mi52 min SSW 5.1G7 54°F 55°F30.19
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 39 mi52 min W 4.1G8 54°F 30.19
SFXC1 - San Francisco Bay Reserve, CA 46 mi115 min SW 1.9 52°F 30.1847°F

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Wind History for Redwood City, CA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KSQL SAN CARLOS,CA 3 sm1.9 hrsWSW 0310 smMostly Cloudy57°F52°F82%30.21
KPAO PALO ALTO,CA 9 sm53 minW 0510 smMostly Cloudy52°F48°F87%30.21
KSFO SAN FRANCISCO INTL,CA 9 sm44 minW 0610 smA Few Clouds55°F48°F77%30.20
KHWD HAYWARD EXECUTIVE,CA 10 sm46 mincalm10 smClear54°F50°F88%30.20
KOAK METROPOLITAN OAKLAND INTL,CA 12 sm47 minNW 0610 smPartly Cloudy52°F48°F87%30.22
KNUQ MOFFETT FEDERAL AFLD,CA 13 sm25 minW 0410 smOvercast54°F48°F82%30.21
KHAF HALF MOON BAY,CA 14 sm25 minvar 048 smMostly Cloudy48°F48°F100%30.22
KSJC NORMAN Y MINETA SAN JOSE INTL,CA 21 sm47 minvar 0310 smMostly Cloudy57°F52°F82%30.20
KLVK LIVERMORE MUNI,CA 24 sm47 mincalm10 smPartly Cloudy52°F48°F87%30.19

Wind History from SQL
(wind in knots)


Tide / Current for Bay Slough, west end, San Francisco Bay, California
   
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Bay Slough
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Thu -- 01:46 AM PST     Moonrise
Thu -- 01:55 AM PST     1.53 feet Low Tide
Thu -- 07:10 AM PST     Sunrise
Thu -- 08:12 AM PST     7.34 feet High Tide
Thu -- 01:42 PM PST     Moonset
Thu -- 03:24 PM PST     1.40 feet Low Tide
Thu -- 04:50 PM PST     Sunset
Thu -- 08:44 PM PST     5.18 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Bay Slough, west end, San Francisco Bay, California, Tide feet
12
am
2.3
1
am
1.7
2
am
1.5
3
am
1.9
4
am
2.9
5
am
4.3
6
am
5.7
7
am
6.8
8
am
7.3
9
am
7.2
10
am
6.5
11
am
5.4
12
pm
4.1
1
pm
2.8
2
pm
1.9
3
pm
1.4
4
pm
1.5
5
pm
2.2
6
pm
3.3
7
pm
4.3
8
pm
5
9
pm
5.2
10
pm
4.8
11
pm
4.2



Tide / Current for San Mateo Bridge, South San Francisco Bay, California Current
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San Mateo Bridge
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Thu -- 01:46 AM PST     Moonrise
Thu -- 02:48 AM PST     0.00 knots Slack
Thu -- 05:41 AM PST     1.28 knots Max Flood
Thu -- 07:10 AM PST     Sunrise
Thu -- 09:04 AM PST     -0.00 knots Slack
Thu -- 12:18 PM PST     -1.23 knots Max Ebb
Thu -- 01:42 PM PST     Moonset
Thu -- 03:52 PM PST     0.00 knots Slack
Thu -- 04:50 PM PST     Sunset
Thu -- 06:29 PM PST     1.09 knots Max Flood
Thu -- 09:41 PM PST     -0.01 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

San Mateo Bridge, South San Francisco Bay, California Current, knots
12
am
-0.9
1
am
-0.7
2
am
-0.4
3
am
0.1
4
am
0.8
5
am
1.2
6
am
1.3
7
am
1.1
8
am
0.7
9
am
0.1
10
am
-0.5
11
am
-1
12
pm
-1.2
1
pm
-1.2
2
pm
-0.9
3
pm
-0.5
4
pm
0.1
5
pm
0.7
6
pm
1.1
7
pm
1.1
8
pm
0.9
9
pm
0.4
10
pm
-0.2
11
pm
-0.6




Weather Map
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GEOS Local Image of Central West Coast   
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San Francisco Bay Area, CA,



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