Alcatraz Island, CA tides — September 2027
NOAA station 9414792 · Subordinate station · Datum MLLW · Local time (America/Los_Angeles)
| Date | 1st tide | 2nd tide | 3rd tide | 4th tide |
|---|---|---|---|---|
| 1Wed | 12:12 AMHigh · 6.5 ft1.97 m | 6:29 AMLow · -0.2 ft-0.08 m | 1:10 PMHigh · 5.9 ft1.81 m | 6:51 PMLow · 0.9 ft0.27 m |
| 2Thu | 1:07 AMHigh · 6.1 ft1.85 m | 7:09 AMLow · 0.3 ft0.09 m | 1:45 PMHigh · 6.1 ft1.87 m | 7:42 PMLow · 0.6 ft0.17 m |
| 3Fri | 2:04 AMHigh · 5.6 ft1.71 m | 7:48 AMLow · 0.9 ft0.29 m | 2:21 PMHigh · 6.3 ft1.91 m | 8:35 PMLow · 0.4 ft0.13 m |
| 4Sat | 3:03 AMHigh · 5.1 ft1.55 m | 8:29 AMLow · 1.6 ft0.50 m | 2:59 PMHigh · 6.3 ft1.91 m | 9:31 PMLow · 0.4 ft0.12 m |
| 5Sun | 4:10 AMHigh · 4.6 ft1.41 m | 9:14 AMLow · 2.3 ft0.71 m | 3:40 PMHigh · 6.1 ft1.86 m | 10:33 PMLow · 0.5 ft0.14 m |
| 6Mon | 5:30 AMHigh · 4.3 ft1.31 m | 10:08 AMLow · 2.9 ft0.89 m | 4:27 PMHigh · 5.9 ft1.79 m | 11:41 PMLow · 0.6 ft0.18 m |
| 7Tue | 7:05 AMHigh · 4.2 ft1.28 m | 11:21 AMLow · 3.3 ft1.02 m | 5:24 PMHigh · 5.6 ft1.72 m | — |
| 8Wed | 12:54 AMLow · 0.6 ft0.19 m | 8:32 AMHigh · 4.3 ft1.32 m | 12:49 PMLow · 3.5 ft1.06 m | 6:30 PMHigh · 5.5 ft1.67 m |
| 9Thu | 2:03 AMLow · 0.6 ft0.17 m | 9:34 AMHigh · 4.5 ft1.39 m | 2:04 PMLow · 3.4 ft1.02 m | 7:37 PMHigh · 5.4 ft1.66 m |
| 10Fri | 3:00 AMLow · 0.4 ft0.14 m | 10:17 AMHigh · 4.7 ft1.43 m | 3:02 PMLow · 3.1 ft0.94 m | 8:38 PMHigh · 5.5 ft1.67 m |
| 11Sat | 3:46 AMLow · 0.4 ft0.11 m | 10:51 AMHigh · 4.8 ft1.47 m | 3:48 PMLow · 2.8 ft0.84 m | 9:30 PMHigh · 5.6 ft1.70 m |
| 12Sun | 4:24 AMLow · 0.3 ft0.09 m | 11:19 AMHigh · 4.9 ft1.49 m | 4:28 PMLow · 2.4 ft0.74 m | 10:16 PMHigh · 5.6 ft1.71 m |
| 13Mon | 4:56 AMLow · 0.3 ft0.10 m | 11:43 AMHigh · 5.0 ft1.52 m | 5:04 PMLow · 2.1 ft0.63 m | 10:59 PMHigh · 5.6 ft1.70 m |
| 14Tue | 5:25 AMLow · 0.5 ft0.14 m | 12:04 PMHigh · 5.1 ft1.57 m | 5:38 PMLow · 1.8 ft0.53 m | 11:40 PMHigh · 5.5 ft1.67 m |
| 15Wed | 5:52 AMLow · 0.7 ft0.20 m | 12:26 PMHigh · 5.3 ft1.62 m | 6:11 PMLow · 1.4 ft0.44 m | — |
| 16Thu | 12:21 AMHigh · 5.3 ft1.62 m | 6:18 AMLow · 1.0 ft0.29 m | 12:48 PMHigh · 5.5 ft1.68 m | 6:44 PMLow · 1.1 ft0.34 m |
| 17Fri | 1:03 AMHigh · 5.1 ft1.56 m | 6:45 AMLow · 1.3 ft0.40 m | 1:12 PMHigh · 5.7 ft1.73 m | 7:19 PMLow · 0.8 ft0.26 m |
| 18Sat | 1:48 AMHigh · 4.9 ft1.50 m | 7:14 AMLow · 1.7 ft0.53 m | 1:38 PMHigh · 5.8 ft1.77 m | 7:58 PMLow · 0.6 ft0.19 m |
| 19Sun | 2:38 AMHigh · 4.7 ft1.42 m | 7:46 AMLow · 2.2 ft0.67 m | 2:08 PMHigh · 5.9 ft1.80 m | 8:42 PMLow · 0.5 ft0.14 m |
| 20Mon | 3:36 AMHigh · 4.4 ft1.33 m | 8:21 AMLow · 2.7 ft0.81 m | 2:43 PMHigh · 5.9 ft1.80 m | 9:33 PMLow · 0.4 ft0.12 m |
| 21Tue | 4:48 AMHigh · 4.1 ft1.26 m | 9:04 AMLow · 3.1 ft0.94 m | 3:28 PMHigh · 5.9 ft1.79 m | 10:35 PMLow · 0.3 ft0.10 m |
| 22Wed | 6:16 AMHigh · 4.1 ft1.24 m | 10:03 AMLow · 3.4 ft1.04 m | 4:25 PMHigh · 5.8 ft1.77 m | 11:48 PMLow · 0.3 ft0.08 m |
| 23Thu | 7:43 AMHigh · 4.2 ft1.27 m | 11:31 AMLow · 3.6 ft1.09 m | 5:37 PMHigh · 5.7 ft1.75 m | — |
| 24Fri | 1:04 AMLow · 0.1 ft0.04 m | 8:46 AMHigh · 4.4 ft1.35 m | 1:05 PMLow · 3.4 ft1.03 m | 6:55 PMHigh · 5.8 ft1.76 m |
| 25Sat | 2:10 AMLow · -0.1 ft-0.02 m | 9:32 AMHigh · 4.8 ft1.45 m | 2:19 PMLow · 2.9 ft0.88 m | 8:09 PMHigh · 5.9 ft1.78 m |
| 26Sun | 3:06 AMLow · -0.2 ft-0.06 m | 10:09 AMHigh · 5.1 ft1.55 m | 3:19 PMLow · 2.2 ft0.68 m | 9:17 PMHigh · 6.0 ft1.81 m |
| 27Mon | 3:53 AMLow · -0.2 ft-0.06 m | 10:44 AMHigh · 5.4 ft1.66 m | 4:12 PMLow · 1.5 ft0.47 m | 10:19 PMHigh · 6.0 ft1.82 m |
| 28Tue | 4:36 AMLow · 0.0 ft0.00 m | 11:17 AMHigh · 5.8 ft1.76 m | 5:02 PMLow · 0.9 ft0.26 m | 11:17 PMHigh · 5.9 ft1.80 m |
| 29Wed | 5:16 AMLow · 0.4 ft0.11 m | 11:51 AMHigh · 6.1 ft1.86 m | 5:49 PMLow · 0.3 ft0.09 m | — |
| 30Thu | 12:13 AMHigh · 5.7 ft1.74 m | 5:55 AMLow · 0.9 ft0.26 m | 12:24 PMHigh · 6.3 ft1.93 m | 6:36 PMLow · -0.1 ft-0.03 m |
Wed112:12 AM6.5 ft1.97 m6:29 AM-0.2 ft-0.08 m1:10 PM5.9 ft1.81 m6:51 PM0.9 ft0.27 mThu21:07 AM6.1 ft1.85 m7:09 AM0.3 ft0.09 m1:45 PM6.1 ft1.87 m7:42 PM0.6 ft0.17 mFri32:04 AM5.6 ft1.71 m7:48 AM0.9 ft0.29 m2:21 PM6.3 ft1.91 m8:35 PM0.4 ft0.13 mSat43:03 AM5.1 ft1.55 m8:29 AM1.6 ft0.50 m2:59 PM6.3 ft1.91 m9:31 PM0.4 ft0.12 mSun54:10 AM4.6 ft1.41 m9:14 AM2.3 ft0.71 m3:40 PM6.1 ft1.86 m10:33 PM0.5 ft0.14 mMon65:30 AM4.3 ft1.31 m10:08 AM2.9 ft0.89 m4:27 PM5.9 ft1.79 m11:41 PM0.6 ft0.18 mTue77:05 AM4.2 ft1.28 m11:21 AM3.3 ft1.02 m5:24 PM5.6 ft1.72 mWed812:54 AM0.6 ft0.19 m8:32 AM4.3 ft1.32 m12:49 PM3.5 ft1.06 m6:30 PM5.5 ft1.67 mThu92:03 AM0.6 ft0.17 m9:34 AM4.5 ft1.39 m2:04 PM3.4 ft1.02 m7:37 PM5.4 ft1.66 mFri103:00 AM0.4 ft0.14 m10:17 AM4.7 ft1.43 m3:02 PM3.1 ft0.94 m8:38 PM5.5 ft1.67 mSat113:46 AM0.4 ft0.11 m10:51 AM4.8 ft1.47 m3:48 PM2.8 ft0.84 m9:30 PM5.6 ft1.70 mSun124:24 AM0.3 ft0.09 m11:19 AM4.9 ft1.49 m4:28 PM2.4 ft0.74 m10:16 PM5.6 ft1.71 mMon134:56 AM0.3 ft0.10 m11:43 AM5.0 ft1.52 m5:04 PM2.1 ft0.63 m10:59 PM5.6 ft1.70 mTue145:25 AM0.5 ft0.14 m12:04 PM5.1 ft1.57 m5:38 PM1.8 ft0.53 m11:40 PM5.5 ft1.67 mWed155:52 AM0.7 ft0.20 m12:26 PM5.3 ft1.62 m6:11 PM1.4 ft0.44 mThu1612:21 AM5.3 ft1.62 m6:18 AM1.0 ft0.29 m12:48 PM5.5 ft1.68 m6:44 PM1.1 ft0.34 mFri171:03 AM5.1 ft1.56 m6:45 AM1.3 ft0.40 m1:12 PM5.7 ft1.73 m7:19 PM0.8 ft0.26 mSat181:48 AM4.9 ft1.50 m7:14 AM1.7 ft0.53 m1:38 PM5.8 ft1.77 m7:58 PM0.6 ft0.19 mSun192:38 AM4.7 ft1.42 m7:46 AM2.2 ft0.67 m2:08 PM5.9 ft1.80 m8:42 PM0.5 ft0.14 mMon203:36 AM4.4 ft1.33 m8:21 AM2.7 ft0.81 m2:43 PM5.9 ft1.80 m9:33 PM0.4 ft0.12 mTue214:48 AM4.1 ft1.26 m9:04 AM3.1 ft0.94 m3:28 PM5.9 ft1.79 m10:35 PM0.3 ft0.10 mWed226:16 AM4.1 ft1.24 m10:03 AM3.4 ft1.04 m4:25 PM5.8 ft1.77 m11:48 PM0.3 ft0.08 mThu237:43 AM4.2 ft1.27 m11:31 AM3.6 ft1.09 m5:37 PM5.7 ft1.75 mFri241:04 AM0.1 ft0.04 m8:46 AM4.4 ft1.35 m1:05 PM3.4 ft1.03 m6:55 PM5.8 ft1.76 mSat252:10 AM-0.1 ft-0.02 m9:32 AM4.8 ft1.45 m2:19 PM2.9 ft0.88 m8:09 PM5.9 ft1.78 mSun263:06 AM-0.2 ft-0.06 m10:09 AM5.1 ft1.55 m3:19 PM2.2 ft0.68 m9:17 PM6.0 ft1.81 mMon273:53 AM-0.2 ft-0.06 m10:44 AM5.4 ft1.66 m4:12 PM1.5 ft0.47 m10:19 PM6.0 ft1.82 mTue284:36 AM0.0 ft0.00 m11:17 AM5.8 ft1.76 m5:02 PM0.9 ft0.26 m11:17 PM5.9 ft1.80 mWed295:16 AM0.4 ft0.11 m11:51 AM6.1 ft1.86 m5:49 PM0.3 ft0.09 mThu3012:13 AM5.7 ft1.74 m5:55 AM0.9 ft0.26 m12:24 PM6.3 ft1.93 m6:36 PM-0.1 ft-0.03 m
Heights relative to MLLW; times local to the station. Predictions from NOAA CO-OPS; not for navigation.