How Tides Affect Club Operation

The South Sailing Basin, where the Cal Sailing Club launches its dinghies, has been silting in over the decades, and at very low tides the depth of water at the dock is too shallow to operate our rescue skiff. When that occurs, dinghies and windsurfing equipment cannot be used by members with a rating of Junior Skipper (in the case of dinghies) or Junior Plus Windsurfer (for windsurfing equipment) or below. Equipment may still be used by those with higher ratings who do not require the rescue skiff to be operational. You can also use the time to get your work credit out of the way, take your written or rigging tests, sail with a Senior or Cruising Skipper, or just sit on the bench and enjoy the scenery!

The following table may be used to help plan your sailing schedule, and avoid times when there is not enough water there at the dock to sail. The column headings are defined below the table.

When the tide level is below +1.0 ft., the rescue skiff may not be able to operate (times in yellow on the chart). Depending on conditions, the Day Leader may launch the low-tide skiff, which can operate to +0.0 ft. Below +0.0 ft. even the low-tide skiff cannot operate, and the club will close (times in red on the chart). 

The tide times used in generating this table are  estimates only . Many factors influence tide height which cannot easily be predicted (flow of rivers into the Bay, atmospheric pressure, etc.). It is the Day Leader's responsibility to evaluate conditions and determine club operating hours. Note that currently observed low tides at Richmond Inner Harbor are around 0.3 feet higher than predictions. You can apply this correction factor to the tide predictions for the Berkeley Marina to get an approximate idea of what the tides might actually be.

You can click on the Date and see the tide graph for that date.

This table is based on the official CSC thresholds of +1.0 ft. for low tide and +0.0 ft. for club closure.

Estimated CSC Schedule for tide-based closure for

July, 2017


DateOpenMid-Day Low WaterMid-Day CloseMid-Day ReopenMid-Day Normal WaterDockSunsetLow Tide
Sat Jul 19:00 AM8:05 PM8:35 PM12:51 PM
1.1
Sun Jul 29:00 AM8:05 PM8:35 PM3:21 AM
0.9
Mon Jul 3Noon8:04 PM8:34 PM2:41 PM
2.0
Tue Jul 4Noon8:04 PM8:34 PM3:32 PM
2.3
Wed Jul 5Noon8:04 PM8:34 PM4:19 PM
2.5
Thu Jul 6Noon8:04 PM8:34 PM5:03 PM
2.7
Fri Jul 7Noon8:03 PM8:33 PM5:44 PM
2.8
Sat Jul 89:00 AM9:00 AM9:09 AM8:03 PM8:33 PM6:22 PM
2.8
Sun Jul 99:00 AM9:00 AM9:46 AM8:03 PM8:33 PM7:00 PM
2.9
Mon Jul 10Noon8:02 PM8:32 PM7:38 PM
2.9
Tue Jul 11Noon8:02 PM8:32 PM8:19 PM
2.8
Wed Jul 12Noon8:02 PM8:32 PM8:53 AM
-0.4
Thu Jul 13Noon8:01 PM8:31 PM9:31 AM
-0.1
Fri Jul 14Noon8:01 PM8:31 PM10:13 AM
0.2
Sat Jul 159:00 AM9:39 AM12:13 PM8:00 PM8:30 PM10:58 AM
0.6
Sun Jul 169:00 AM7:59 PM8:29 PM11:49 AM
1.1
Mon Jul 17Noon7:59 PM8:29 PM2:22 AM
0.8
Tue Jul 18Noon7:58 PM8:28 PM3:22 AM
0.1
Wed Jul 19Noon7:58 PM8:28 PM2:50 PM
2.2
Thu Jul 20Noon7:57 PM8:27 PM3:51 PM
2.3
Fri Jul 21Noon7:56 PM8:26 PM4:48 PM
2.4
Sat Jul 229:00 AM7:55 PM8:25 PM5:43 PM
2.3
Sun Jul 239:00 AM9:00 AM9:29 AM7:55 PM8:25 PM6:36 PM
2.2
Mon Jul 24Noon7:54 PM8:24 PM7:30 PM
2.1
Tue Jul 25Noon7:53 PM8:23 PM8:13 AM
-1.0
Wed Jul 26Noon7:52 PM8:22 PM8:57 AM
-0.5
Thu Jul 27Noon7:51 PM8:21 PM9:41 AM
0.0
Fri Jul 28Noon7:50 PM8:20 PM10:27 AM
0.6
Sat Jul 299:00 AM7:50 PM8:20 PM11:16 AM
1.2
Sun Jul 309:00 AM7:49 PM8:19 PM1:41 AM
1.3
Mon Jul 31Noon7:48 PM8:18 PM2:42 AM
1.0

CSC Tides version 1.2.25