Marine Weather and Tide Forecast for Discovery Bay, CA
![]() | Sunrise 5:41 AM Sunset 8:30 PM Moonrise 11:07 PM Moonset 8:44 AM |
PZZ530 San Pablo Bay, Suisun Bay, The West Delta And The San Francisco Bay North Of The Bay Bridge- 837 Pm Pdt Sat Jun 14 2025
Tonight - SW wind 10 to 15 kt, becoming S 5 to 10 kt late.
Sun - SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Sun night - SW wind 10 to 15 kt.
Mon - SW wind 10 to 15 kt.
Mon night - SW wind 10 to 15 kt.
Tue - SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Tue night - W wind 10 to 15 kt, becoming sw 5 to 10 kt after midnight.
Wed - SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Wed night - SW wind 10 to 15 kt.
Juneteenth - SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Thu night - SW wind 10 to 15 kt.
PZZ500 837 Pm Pdt Sat Jun 14 2025
Synopsis for the central california coast and bays including the Monterey bay - Greater farallones - .and cordell bank national marine sanctuaries - .
the gradient between subtropical high pressure in the east pacific and lower pressure over the western us will continue to support a fresh to strong nw breeze through mid-week with moderate seas. As the gradient tightens late week, winds will increase to a near gale force nw breeze, causing rough seas to build.
the gradient between subtropical high pressure in the east pacific and lower pressure over the western us will continue to support a fresh to strong nw breeze through mid-week with moderate seas. As the gradient tightens late week, winds will increase to a near gale force nw breeze, causing rough seas to build.
7 Day Forecast for Marine Location Near Discovery Bay, CA

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Borden Highway Bridge Click for Map Sun -- 04:06 AM PDT 1.27 feet Low Tide Sun -- 05:43 AM PDT Sunrise Sun -- 09:17 AM PDT 3.23 feet High Tide Sun -- 09:44 AM PDT Moonset Sun -- 05:07 PM PDT -0.34 feet Low Tide Sun -- 08:30 PM PDT Sunset Tide / Current data from XTide NOT FOR NAVIGATION |   |
Borden Highway Bridge, Middle River, San Joaquin River, California, Tide feet
12 am |
2.4 |
1 am |
2.2 |
2 am |
1.7 |
3 am |
1.4 |
4 am |
1.3 |
5 am |
1.4 |
6 am |
1.8 |
7 am |
2.3 |
8 am |
2.9 |
9 am |
3.2 |
10 am |
3.1 |
11 am |
2.8 |
12 pm |
2.2 |
1 pm |
1.5 |
2 pm |
0.8 |
3 pm |
0.2 |
4 pm |
-0.2 |
5 pm |
-0.3 |
6 pm |
-0.2 |
7 pm |
0.2 |
8 pm |
0.8 |
9 pm |
1.4 |
10 pm |
2 |
11 pm |
2.3 |
Vulcan Island .5 mi E Click for Map Sun -- 01:45 AM PDT -0.17 knots Max Ebb Sun -- 04:05 AM PDT 0.00 knots Slack Sun -- 05:42 AM PDT Sunrise Sun -- 06:47 AM PDT 0.56 knots Max Flood Sun -- 09:38 AM PDT -0.00 knots Slack Sun -- 09:43 AM PDT Moonset Sun -- 01:09 PM PDT -0.65 knots Max Ebb Sun -- 05:28 PM PDT 0.00 knots Slack Sun -- 08:28 PM PDT 0.64 knots Max Flood Sun -- 08:29 PM PDT Sunset Tide / Current data from XTide NOT FOR NAVIGATION |   |
Vulcan Island .5 mi E, San Joaquin River, California Current, knots
12 am |
-0 |
1 am |
-0.1 |
2 am |
-0.2 |
3 am |
-0.1 |
4 am |
-0 |
5 am |
0.2 |
6 am |
0.5 |
7 am |
0.6 |
8 am |
0.4 |
9 am |
0.2 |
10 am |
-0.1 |
11 am |
-0.3 |
12 pm |
-0.6 |
1 pm |
-0.7 |
2 pm |
-0.6 |
3 pm |
-0.5 |
4 pm |
-0.3 |
5 pm |
-0.1 |
6 pm |
0.2 |
7 pm |
0.5 |
8 pm |
0.6 |
9 pm |
0.6 |
10 pm |
0.5 |
11 pm |
0.4 |
Area Discussion for Sacramento, CA
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FXUS66 KSTO 142109 AFDSTO
Area Forecast Discussion National Weather Service Sacramento CA 209 PM PDT Sat Jun 14 2025
DISCUSSION
SYNOPSIS
Dry weather continues into next week. Slight cooldown expected through the weekend with periods on breezy onshore flow. Warming trend by Tuesday, followed by areas of Moderate HeatRisk in the Valley and foothills on Wednesday. Cooling trend expected late next week with stronger onshore flow.
KEY MESSAGES
* Today-Monday:
-Seasonable temperatures are expected through early next week.
-Probability of Valley High Temperatures > 90F: --Northern/Central Sacramento Valley: 50-90% Sun- Mon --Delta, S. Sac Valley, N. San Joaquin Valley: 35-70% Sun- Mon
-Onshore flow expected to persist with periods of breezy winds, mainly in the afternoons and evenings and strongest across the Delta and vicinity. Breezy westerlies over the Sierra.
* Tuesday-Thursday:
- Above normal temperatures with areas of Moderate HeatRisk in the Valley and foothills by Wednesday as ridging develops.
Potential for triple digit heat in the northern Sacramento Valley (40-70% probability); low to upper 90s in other Valley locations.
-Probability of Valley High Temperatures > 95F: --Northern/Central Sacramento Valley: 50-90% Tue & Thu, 70-100% Wed --Delta, S. Sacramento Valley, N. San Joaquin Valley: 10-35% Tue & Thu, 50-80% Wed
-Warming and drying trend by mid-week may bring a brief period of elevated fire weather conditions, mainly across the northern Sacramento Valley.
*Late Next Week:
-Cooling trend expected late next week with stronger onshore flow. Strongest winds expected through the Delta and over the Sierra.
Changes from previous forecast
-No notable forecast changes since last update.
AVIATION
VFR conditions with mostly clear skies are expected to continue at TAF sites over the next 24 hours. Surface winds will generally below 12 kts. In the Delta area, there will be sustained winds over 12 kts with gusts around 20 to 25 kts between 21z today and 06z Sunday. In the southern Sacramento Valley and northern San Joaquin Valley after 21z today, sustained winds will get up to 12 kts with gusts around 15 to 20 kts through 06z Sunday.
STO WATCHES/WARNINGS/ADVISORIES
None.
Area Forecast Discussion National Weather Service Sacramento CA 209 PM PDT Sat Jun 14 2025
DISCUSSION
SYNOPSIS
Dry weather continues into next week. Slight cooldown expected through the weekend with periods on breezy onshore flow. Warming trend by Tuesday, followed by areas of Moderate HeatRisk in the Valley and foothills on Wednesday. Cooling trend expected late next week with stronger onshore flow.
KEY MESSAGES
* Today-Monday:
-Seasonable temperatures are expected through early next week.
-Probability of Valley High Temperatures > 90F: --Northern/Central Sacramento Valley: 50-90% Sun- Mon --Delta, S. Sac Valley, N. San Joaquin Valley: 35-70% Sun- Mon
-Onshore flow expected to persist with periods of breezy winds, mainly in the afternoons and evenings and strongest across the Delta and vicinity. Breezy westerlies over the Sierra.
* Tuesday-Thursday:
- Above normal temperatures with areas of Moderate HeatRisk in the Valley and foothills by Wednesday as ridging develops.
Potential for triple digit heat in the northern Sacramento Valley (40-70% probability); low to upper 90s in other Valley locations.
-Probability of Valley High Temperatures > 95F: --Northern/Central Sacramento Valley: 50-90% Tue & Thu, 70-100% Wed --Delta, S. Sacramento Valley, N. San Joaquin Valley: 10-35% Tue & Thu, 50-80% Wed
-Warming and drying trend by mid-week may bring a brief period of elevated fire weather conditions, mainly across the northern Sacramento Valley.
*Late Next Week:
-Cooling trend expected late next week with stronger onshore flow. Strongest winds expected through the Delta and over the Sierra.
Changes from previous forecast
-No notable forecast changes since last update.
AVIATION
VFR conditions with mostly clear skies are expected to continue at TAF sites over the next 24 hours. Surface winds will generally below 12 kts. In the Delta area, there will be sustained winds over 12 kts with gusts around 20 to 25 kts between 21z today and 06z Sunday. In the southern Sacramento Valley and northern San Joaquin Valley after 21z today, sustained winds will get up to 12 kts with gusts around 15 to 20 kts through 06z Sunday.
STO WATCHES/WARNINGS/ADVISORIES
None.
Wind History for Port Chicago, CA
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Airport Reports
Link to 1 hour of 5 minute data for KSCK
Terminal Aerodrome Forecast (TAF) for KSCK
Wind History Graph: SCK
(wind in knots)GEOS Local Image of Central West Coast
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Sacramento, CA,

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