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Tide Forecast for Alcatraz Island

Detailed tide information to help plan your fishing trips

Weather Conditions

TODAY, FRIDAY 18 JULY 2025

Mostly Sunny

N E S W

Wind

7 mph

Comes from WSW (247.5°)

Temperature

56.5 °F

Maximum 60° F

Minimum 55° F

Humidity

98 %

Dew point 56.0° F

Visibility

10.0 mi.

Data Source: NOAA Weather Service • 2025-07-18

Weekly Tide Table

Date Moon Phase Sunrise Sunset 1st Extreme 2nd Extreme 3rd Extreme 4th Extreme Coefficient Fishing Rating
1. Fri, July 18 (Today)
🌒
Waxing Crescent
50.4%
06:01 AM ☀️ (Los_Angeles)
08:29 PM 🌙 (Los_Angeles)
12:33 AM
1.125 ft
06:46 AM
3.799 ft
11:44 AM
1.996 ft
06:35 PM
6.275 ft
--
No reference data for this station
🎣
Excellent
Score: 5/5
2. Sat, July 19
🌔
Waxing Gibbous
39.0%
06:02 AM ☀️ (Los_Angeles)
08:29 PM 🌙 (Los_Angeles)
01:44 AM
0.496 ft
08:31 AM
3.797 ft
12:45 PM
2.629 ft
07:26 PM
6.524 ft
--
No reference data for this station
👌
Average
Score: 3/5
3. Sun, July 20
🌔
Waxing Gibbous
28.1%
06:03 AM ☀️ (Los_Angeles)
08:28 PM 🌙 (Los_Angeles)
02:48 AM
-0.108 ft
10:00 AM
4.089 ft
01:53 PM
3.058 ft
08:21 PM
6.729 ft
--
No reference data for this station
👍
Good
Score: 4/5
4. Mon, July 21
🌔
Waxing Gibbous
18.3%
06:03 AM ☀️ (Los_Angeles)
08:27 PM 🌙 (Los_Angeles)
03:46 AM
-0.612 ft
11:06 AM
4.441 ft
03:01 PM
3.250 ft
09:16 PM
6.878 ft
--
No reference data for this station
👌
Average
Score: 3/5
5. Tue, July 22
🌔
Waxing Gibbous
10.2%
06:04 AM ☀️ (Los_Angeles)
08:27 PM 🌙 (Los_Angeles)
04:39 AM
-0.967 ft
11:58 AM
4.729 ft
04:04 PM
3.242 ft
10:11 PM
6.949 ft
--
No reference data for this station
👌
Average
Score: 3/5
6. Wed, July 23
🌔
Waxing Gibbous
4.3%
06:05 AM ☀️ (Los_Angeles)
08:26 PM 🌙 (Los_Angeles)
05:28 AM
-1.161 ft
12:43 PM
4.929 ft
05:01 PM
3.107 ft
11:04 PM
6.917 ft
--
No reference data for this station
🎣
Excellent
Score: 5/5
7. Thu, July 24
🌔
Waxing Gibbous
1.0%
06:06 AM ☀️ (Los_Angeles)
08:25 PM 🌙 (Los_Angeles)
06:13 AM
-1.196 ft
01:25 PM
5.059 ft
05:54 PM
2.914 ft
11:54 PM
6.758 ft
--
No reference data for this station
🎣
Excellent
Score: 5/5
8. Fri, July 25
🌔
Waxing Gibbous
0.1%
06:07 AM ☀️ (Los_Angeles)
08:24 PM 🌙 (Los_Angeles)
06:55 AM
-1.083 ft
02:03 PM
5.145 ft
06:46 PM
2.711 ft
--
--
No reference data for this station
🎣
Excellent
Score: 5/5
High Tide
Low Tide
☀️ Sunrise
🌙 Sunset
🌕 Moon Phase
🎣 Fishing Rating (scoring criteria)
Coefficient: Tide amplitude relative to mean (>70 Spring, <50 Neap) (how it's calculated)
Note: This station is missing mean tidal range data, so some tide coefficients cannot be calculated.

Today's Tide Forecast