10 Dec 2023: After networking changes at USC, relocate to host tide.arthroinfo.org
20 Sep 2021: After a hardware failure in tbone.biol.sc.edu, temporary move to tide.arthroinfo.org.
29 Sep 2016: Shutdown 20:20 GMT due to campus wide electrical outage.
12 May 2016: Computer replaced after failure due to power outage.
30 Dec 2010: If you are using a mobile device, try the simplified site.
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site | Frequently Asked Questions
Web interface by Dean Pentcheff,
calculations and graphics by David Flater's
XTide Program
NOT FOR NAVIGATION.
This program is furnished in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
merchantability or fitness for a particular purpose. Do not use this
program as a basis for any decisions that could result in harm to
people, other organisms, or property. Check these predictions against
officially sanctioned tables. Agencies like NOAA exist because there
is a need for certifiably correct tide predictions. Do not rely on
these predictions if you need guaranteed results. There is NO WAY we
can get certified data on a zero budget. We rely on users like you to
tell us when something is wrong. Please continue to do so.
Remember that weather conditions affect tidal ranges and current
speeds, sometimes very strongly.
39.1467° N, 74.7500° W 2024-10-31 02:39 EDT 0.16 feet Low Tide 2024-10-31 06:34 EDT Moonrise 2024-10-31 07:26 EDT Sunrise 2024-10-31 08:29 EDT 4.20 feet High Tide 2024-10-31 15:09 EDT 0.18 feet Low Tide 2024-10-31 17:23 EDT Moonset 2024-10-31 17:58 EDT Sunset 2024-10-31 20:42 EDT 3.69 feet High Tide 2024-11-01 03:15 EDT 0.18 feet Low Tide 2024-11-01 07:27 EDT Sunrise 2024-11-01 07:35 EDT Moonrise 2024-11-01 08:48 EDT New Moon 2024-11-01 09:02 EDT 4.26 feet High Tide 2024-11-01 15:50 EDT 0.12 feet Low Tide 2024-11-01 17:48 EDT Moonset 2024-11-01 17:57 EDT Sunset 2024-11-01 21:17 EDT 3.61 feet High Tide