# Current Differences from Carquinez Strait
# SAN PABLO BAY TIME DIFFERENCES RATIOS
# Latitude Longitude Low High
# North West Slack Flood Slack Ebb Flood Ebb
TC 557 Point San Pablo, Midchannel 37 58 122 26 -1:21 -1:13 -1:12 -1:32 0.9 1.0
TC 561 Point San Pedro, 0.55 nmi SE of 37 58.78 122 26.20 -1:48 -1:45 -1:18 -1:47 1.0 1.1
TC 565 Pinole Point, 1.18 nmi west of 38 00.48 122 23.38 -2:09 -2:33 -1:50 -2:11 0.4 0.4
TC 569 Pinole Point, 3.0 nmi WNW of 38 01.60 122 25.48 -2:15 -2:27 -1:52 -2:14 0.4 0.4
TC 573 Pinole Point, 1.2 miles off 38 01.8 122 22.7 -1:07 -1:19 -0:30 -0:31 0.6 0.7
TC 577 Pinole Point, 1.27 nmi NNW of 38 01.85 122 22.63 -1:29 -1:27 -1:07 -1:13 0.5 0.5
TC 581 Pinole Point, 1.42 nmi NNW of 38 02.03 122 22.75 -1:07 -1:17 -1:05 -1:06 0.5 0.6
TC 585 Petaluma River approach (#3/#4) 38 03.68 122 25.47 -2:14 -2:43 -1:46 -2:01 0.3 0.3
TC 589 Petaluma River approach 38 04.2 122 25.2 -2:17 -2:32 -2:12 -2:28 0.3 0.3
TC 593 Petaluma River entrance 38 06.63 122 29.58 -2:06 -2:03 -2:16 -3:17 0.4 0.4
TC 597 Wilson Point, 1.55 nmi north of 38 02.25 122 19.03 -1:22 -1:11 -0:47 -1:09 0.3 0.4
TC 601 Wilson Point, 3.90 nmi NNW of 38 04.47 122 20.55 -2:24 -2:52 -1:49 -1:55 0.3 0.2
TC 605 Davis Point, 1.0 nmi NW of 38 03.72 122 16.60 -0:13 -1:19 -0:20 -0:23 0.7 0.8
TC 609 Davis Point, (midchannel) 38 03.80 122 15.5 +0:05 -0:18 -0:13 -0:32 0.8 0.9
# CARQUINEZ STRAIT TIME DIFFERENCES RATIOS
# Latitude Longitude Low High
# North West Slack Flood Slack Ebb Flood Ebb
TC 613 Mare I. Strait ent., btwn dikes 38 04 122 15 -2:07 -1:28 -1:22 -2:02 0.6 0.8
TC 617 Mare Island Strait (Buoy "4") 38 04.45 122 14.57 -2:07 -0:55 -1:19 -3:01 0.4 0.2
TC 621 Mare I. Strait, off So. Vallejo 38 05 122 15 -1:57 -1:27 -1:34 -2:32 0.7 0.8
TC 625 CARQUINEZ STRAIT (W end bridge) 38 03.68 122 13.10 0:00 0:00 0:00 0:00 1.0 1.0
TC 629 Martinez Marina, 0.65 nmi NW of 38 01.98 122 08.98 +0:06 +0:07 +0:14 +0:04 0.8 0.6
TC 633 Martinez Marina, 0.50 nmi W of 38 01.72 122 08.92 -0:19 -0:33 +0:31 +0:17 0.8 0.8
TC 637 Martinez Marina, 0.61 mi NNW of 38 02.18 122 08.68 -0:38 -0:25 -0:09 -0:54 0.6 0.6
TC 641 Army Pt. Pier Lt., 0.2 mi SE of 38 02.33 122 08.02 +0:11 -0:03 -0:12 +0:14 0.8 1.1
# Suisun Bay TIME DIFFERENCES RATIOS
# Latitude Longitude Low High
# North West Slack Flood Slack Ebb Flood Ebb
TC 645 Montezuma Slough, 1 mi in W ent 38 08.83 122 03.38 -0:21 -0:36 -0:38 -1:40 0.4 0.3
TC 649 Montezuma Slough, West entrance 38 08 122 03 -0:07 -0:52 +0:05 -1:00 0.7 0.6
TC 653 Suisun Slough, 1 mi inside ent 38 08.27 122 04.88 -0:51 -0:49 -0:32 -1:40 0.2 0.2
TC 657 Suisun Slough, Entrance 38 07 122 04 -0:26 -0:56 -0:25 -0:56 0.6 0.6
TC 661 Suisun Slough, 0.5 nmi E of ent 38 07.13 122 03.20 -0:31 -1:04 -0:07 -0:09 0.3 0.2
TC 665 Pt. Edith, 1.7 nmi. NNW of 38 04.72 122 05.03 +0:08 +0:17 +0:37 +0:08 0.5 0.3
TC 669 Avon Pier, 0.15 nmi. north of 38 03.10 122 05.42 +0:09 +0:35 +0:36 +0:12 0.6 0.5
TC 673 Seal Island, south of 38 03.20 122 02.97 +0:18 +0:11 +1:08 +0:39 0.4 0.4
TC 677 Roe Island, south of 38 04 122 02 +0:45 +0:32 +0:28 +0:20 0.6 0.8
TC 681 Roe I, Gilbert Pt, 0.15 nmi NW 38 04.42 122 01.30 +1:11 +0:57 +1:04 +0:03 0.4 0.5
TC 685 Suisun Cutoff 38 05.33 122 00.43 +1:44 +1:56 +1:41 +1:06 0.5 0.3
TC 689 Middle Pt. Lt., 0.18 nmi NNW of 38 03.45 121 59.57 +0:43 +0:25 +1:11 +0:57 0.7 0.6
TC 693 Stake Point, 0.9 nmi. NNW of 38 03.88 121 57.33 +0:17 +0:59 +0:47 +0:30 0.4 0.3
TC 697 Simmons Pt-Chipps I, 0.6 mi ESE 38 03.87 121 55.30 +1:20 +1:19 +1:10 +1:03 0.8 0.8
TC 701 Spoonbill Creek, near bridge 38 04 121 54 +0:15 +0:30 +1:16 +0:38 0.7 0.6
TC 705 Montezuma Slough, E end, nr brg 38 05 121 53 +2:33 +2:28 +2:22 +2:24 0.5 0.5
TC 709 New York Slough, Light #5 38 02 121 52 +1:42 +1:29 +1:50 +1:45 0.6 0.6
TC 713 New York Slough, Winter Island 38 01.10 121 50.77 +1:05 +0:48 +0:59 +1:12 0.6 0.5
# Delta and Rivers TIME DIFFERENCES RATIOS
# Latitude Longitude Low High
# North West Slack Flood Slack Ebb Flood Ebb
# Sacramento River
TC 717 Entrance, 0.7 mi SW of Chain I. 38 03 121 52 +1:30 +1:36 +1:47 +1:32 0.6 0.6
TC 721 Point Sacramento, 0.3 mi NE of 38 04 121 50 +1:18 +1:08 +1:36 +1:08 0.5 0.4
TC 725 Sherman Is. East, 0.2 mi N of 38 03.52 121 48.25 +1:25 +1:15 +1:22 +0:31 0.5 0.5
# San Joaquin River
TC 729 Pt San Joaquin, 0.45 nmi ENE of 38 03.70 121 51.00 +1:27 +1:40 +1:43 +1:15 0.7 0.4
TC 733 Point Beenar, 0.7 nmi north of 38 02.53 121 50.28 +2:38 +2:00 +1:53 +1:23 0.3 0.3
TC 737 Point Beenar, 100 yards NE of 38 01.95 121 50.13 +2:38 +2:12 +2:41 +2:46 0.5 0.6
TC 741 Antioch Point, 0.3 mile east of 38 02 121 49 +2:25 +2:36 +2:12 +2:02 0.7 0.6
TC 745 West Island Lt., 0.5 mile SE of 38 01 121 46 +2:22 +2:37 +2:10 +2:10 0.2 0.3
TC 749 Vulcan Island, 0.5 mile east of 37 59 121 23 +3:41 +3:37 +3:48 +3:31 0.3 0.2
TC 753 Brandt Bridge 37 52 121 19 +5:43 +5:31 +5:01 +5:22 0.3 0.4