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Joice Island Tide Charts & Fishing

Saturday, August 15 · NOAA station 9415379 (Joice Island, Suisun Slough)

Updated 5:37 AM PT

Tide chart and current conditions

Tide now

4.8 ft

▼ Falling · 0.6 ft/hr

Next high

5:26 PM

5.0 ft · in 11h 49m

Next low

11:29 AM

0.2 ft · in 5h 52m

Wind

3 mph SSW

Calm · gusts 15

Fishing score

78 /100

Very Good

drag to pan · scroll or pinch to zoom · hover for detail

Tide highs and lows for today and tomorrow at Joice Island
DayTideTimeHeight
Sat, Aug 15High4:20 AM5.2 ft
Sat, Aug 15Low11:29 AM0.2 ft
Sat, Aug 15High5:26 PM5.0 ft
Sun, Aug 16Low12:00 AM1.1 ft
Sun, Aug 16High5:14 AM4.8 ft
Sun, Aug 16Low11:57 AM0.5 ft
Sun, Aug 16High5:57 PM5.1 ft

Today's Tide Times in Joice Island

Today in Joice Island, high tide arrives at 4:20 AM (5.2 ft) and again at 5:26 PM (5.0 ft), and low tide bottoms out at 11:29 AM (0.2 ft). That's a 5.0-foot swing — big, fast-moving water that concentrates feeding fish.

The sun rises at 6:23 AM and sets at 8:01 PM, under a waxing crescent (5% illuminated). With the moon near its spring-tide phase, expect stronger-than-average water movement all week.

Tomorrow starts with a low tide at 12:00 AM (1.1 ft) — see the 7-day outlook below to plan the week.

Fishing Score · Now

78/ 100
Very Good

Best windows today

  • 6:30 AM – 8:30 AMExcellent
  • 7:30 PM – 9:30 PMExcellent

strong outgoing tide · dawn bite window · light wind

Sun & Moon

Sunrise
6:23 AM
Sunset
8:01 PM
🌒

Waxing Crescent

5% illuminated

Spring tides — strong water movement. Prime solunar days.

Conditions

⛅

58°F

Partly cloudy

Wind
3 mph SSWgusts 15

Calm — Glass — perfect for topwater

Waves
—
Water temp
72°F

7-Day Fishing Outlook

Today

🌫️

79° / 58°

Excellent

Best: 6:30 AM–8:30 AM

Sun, Aug 16

☁️

84° / 54°

Excellent

Best: 6:30 AM–8:30 AM

Mon, Aug 17

☁️

88° / 59°

Very Good

Best: 4:00 AM–6:00 AM

Tue, Aug 18

☁️

92° / 58°

Excellent

Best: 4:00 AM–6:00 AM

Wed, Aug 19

☁️

94° / 60°

Excellent

Best: 5:00 AM–7:00 AM

Thu, Aug 20

☁️

91° / 61°

Excellent

Best: 5:30 AM–7:30 AM

Fri, Aug 21

☀️

95° / 60°

Excellent

Best: 6:30 AM–8:30 AM

What's Biting at Joice Island

Activity ratings reflect typical feeding seasons — not legal seasons. Regulations, closures, and size/bag limits change; always check current CDFW regulations before keeping any fish.

Striped Bass (Morone saxatilis)

Striped Bass

Morone saxatilis

Active now

Season: May – October

Baits: Anchovies, Topwater plugs, Swimbaits

Work troughs and rip currents on a moving tide. Dawn topwater in flat surf is the classic bite.

California Halibut (Paralichthys californicus)

California Halibut

Paralichthys californicus

Active now

Season: April – September

Baits: Live anchovies, Swimbaits, Hair raisers

Drag baits slowly along sandy bottom near structure edges. Slow retrieve — halibut ambush from below.

Rockfish (Sebastes spp.)

Rockfish

Sebastes spp.

Active now

Season: April – December (check regs)

Baits: Shrimp flies, Metal jigs, Squid strips

Fish vertically over reef and kelp. Keep the bait just off bottom to dodge snags and hook quality grade.

Leopard Shark (Triakis semifasciata)

Leopard Shark

Triakis semifasciata

Active now

Season: May – October

Baits: Squid, Mackerel chunks, Midshipman

Soak fresh bait on the flats during an evening incoming tide. Steel or heavy mono leader, circle hooks for a clean release.

Barred Surfperch (Amphistichus argenteus)

Barred Surfperch

Amphistichus argenteus

Off-season

Season: Year-round, best in winter–spring

Baits: Sand crabs, Gulp! sandworms, Motor oil grubs

Carolina rig in the first trough behind the shorebreak. Follow the tide in — perch feed where sand crabs wash out.

Gear for These Conditions

TheAnglerStore →

Matched to the species feeding at Joice Island right now.

🎣

Rod & Reel Combos

Daiwa D-Wave Saltwater Spinning Combo — 8 ft, 2-Piece Medium

Eight feet is the honest middle: long enough to keep line above the wash on a gentle beach, short enough to fish from a pier or a boat without apologising to anyone.

$59.99Shop at TheAnglerStore →
Sufix 832 Advanced Superline Braid — 20 lb, 300 yd

Line & Leader

Sufix 832 Advanced Superline Braid — 20 lb, 300 yd

Seven HMPE fibers plus one GORE Performance Fiber, braided at 32 picks per inch. The GORE fiber is what makes this line quiet through the guides and stubborn…

$34.99Shop at TheAnglerStore →
Eagle Claw Lazer Sharp Offset Circle Sea Hook — 4/0, 50-Pack

Terminal Tackle

Eagle Claw Lazer Sharp Offset Circle Sea Hook — 4/0, 50-Pack

The circle hook does the work for you: no strike, just let the rod load and the hook finds the corner of the jaw on its own.

$15.97Shop at TheAnglerStore →
🪝

Terminal Tackle

MO's Bank Sinkers — 4 oz, 20-Pack

Four ounces is the weight most 9 to 11 foot surf rods are built to throw, and the one to reach for when the water is moving hard enough that a 3 oz starts walking.

$32.99Shop at TheAnglerStore →

Joice Island Tide & Fishing FAQ

›What time is high tide in Joice Island today?

High tide in Joice Island today is at 4:20 AM (5.2 ft) and again at 5:26 PM (5.0 ft), measured at NOAA station 9415379 (Joice Island, Suisun Slough).

›What time is low tide in Joice Island today?

Low tide in Joice Island today is at 11:29 AM (0.2 ft).

›When is the best time to fish in Joice Island today?

Today's best fishing window at Joice Island is 6:30 AM–8:30 AM (rated Excellent, 88/100), driven by strong outgoing tide, dawn bite window, light wind. The score blends tide movement, dawn/dusk light, moon phase, wind, and water temperature.

›What fish are biting in Joice Island in August?

In August, the most active species at Joice Island are Striped Bass, California Halibut, Rockfish, Leopard Shark. See the species section above for baits, techniques, and seasons.

›Is this the tide chart for Suisun City?

Yes — Joice Island (NOAA station 9415379) is the closest official tide prediction station to Suisun City, California, so these are the tide times anglers and boaters in Suisun City plan around.

›How accurate is this Joice Island tide chart?

Predictions come directly from NOAA CO-OPS harmonic predictions for station 9415379 (Joice Island, Suisun Slough) and are the same data used in official tide tables. Actual water levels can vary with storms and barometric pressure, so treat predictions as planning guidance, not navigation data.

About Joice Island

This is the live tide dashboard for Joice Island, built on NOAA station 9415379 (Joice Island, Suisun Slough) on the Northern California. Tide predictions update continuously, and the fishing score blends the tide swing with weather, light, and moon phase to point you at the best windows of the day. Joice Island is the closest NOAA tide station to Suisun City, California — if you fish, paddle, or boat out of Suisun City, these are the tide predictions to plan around.

Nearby Spots

  • Montezuma Slough Bridge

    Tide charts near Suisun City, California — NOAA station Montezuma Slough Bridge

  • Suisun Slough entrance

    Tide charts near Benicia, California — NOAA station Suisun Slough entrance

  • Suisun City

    Live NOAA tide predictions for Suisun City, California

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