Rock Island Surf Break

Lat Long: 35.29° N 139.55° E

Rock Island Tide Times & Tide Charts

Issued: 8 pm 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rock Island sea temperature is
28.7° C
2.1° 

Rock Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Tide times for Rock Island are taken from the nearest tide station at Sinzyuku Wan (Zusi), Kanagawa, Japan which is 2.0 km away. Times are JST (UTC +9.0hrs).

The local time in Sinzyuku Wan (Zusi), Kanagawa, Japan is . See the detailed Sinzyuku Wan (Zusi), Kanagawa, Japan tide chart below.

The next high tide in Sinzyuku Wan (Zusi), Kanagawa, Japan is at , which is in from now.

The next low tide in Sinzyuku Wan (Zusi), Kanagawa, Japan is at , which is in from now.

Click Tap Expand to expand the day into detailed view, Click Tap any to view the height and time.

HIGH
(JST)
LOW
(JST)
Sun
Moon
Set
Rise
Wednesday, 5 Aug
6 Aug
7 Aug
8 Aug
9 Aug
10 Aug
11 Aug
12 Aug
13 Aug
14 Aug
15 Aug
16 Aug
17 Aug
18 Aug
19 Aug
20 Aug
21 Aug
22 Aug
23 Aug
24 Aug
25 Aug
26 Aug
27 Aug
28 Aug
29 Aug
30 Aug
31 Aug
1 Sep
AMPMThuFriSatSunMonTueWedThuFriSatSunMonTueWedThuFriSatSunMonTueWedThuFriSatSunMonTue
9:29AM1.26m
9:16PM1.43m
10:48AM1.17m
9:49PM1.41m
12:41PM1.13m
10:30PM1.40m
2:57PM1.19m
11:28PM1.38m
4:09PM1.28m
00:45AM1.38m
4:47PM1.36m
2:03AM1.40m
5:17PM1.41m
3:09AM1.45m
5:43PM1.45m
4:05AM1.50m
6:08PM1.47m
4:55AM1.54m
6:31PM1.48m
5:41AM1.56m
6:55PM1.48m
6:26AM1.55m
7:18PM1.48m
7:12AM1.50m
7:41PM1.48m
8:00AM1.43m
8:06PM1.47m
8:53AM1.34m
8:32PM1.46m
9:59AM1.24m
9:00PM1.45m
11:32AM1.17m
9:36PM1.42m
1:55PM1.18m
10:25PM1.38m
3:38PM1.26m
11:45PM1.35m
4:17PM1.34m
1:21AM1.36m
4:45PM1.39m
2:39AM1.41m
5:10PM1.43m
3:40AM1.47m
5:33PM1.46m
4:32AM1.53m
5:56PM1.47m
5:19AM1.57m
6:18PM1.49m
6:04AM1.58m
6:41PM1.49m
6:48AM1.55m
7:03PM1.50m
7:33AM1.49m
7:26PM1.50m
3:17AM0.54m
3:04PM0.75m
4:14AM0.50m
3:39PM0.90m
5:21AM0.46m
4:23PM1.04m
6:37AM0.41m
5:47PM1.15m
7:52AM0.33m
7:53PM1.19m
8:54AM0.25m
9:16PM1.16m
9:46AM0.18m
10:08PM1.08m
10:31AM0.14m
10:48PM0.99m
11:12AM0.14m
11:25PM0.88m
11:48AM0.17m
00:00AM0.78m
12:23PM0.24m
00:35AM0.68m
12:57PM0.34m
1:12AM0.59m
1:28PM0.46m
1:51AM0.52m
1:59PM0.61m
2:34AM0.48m
2:29PM0.75m
3:23AM0.45m
3:00PM0.90m
4:23AM0.44m
3:34PM1.04m
5:36AM0.43m
4:30PM1.15m
6:58AM0.39m
6:54PM1.21m
8:12AM0.33m
8:44PM1.17m
9:11AM0.27m
9:41PM1.08m
10:00AM0.23m
10:21PM0.97m
10:42AM0.22m
10:57PM0.85m
11:20AM0.24m
11:30PM0.73m
11:54AM0.30m
00:05AM0.62m
12:27PM0.39m
00:39AM0.52m
12:58PM0.50m
1:16AM0.45m
1:29PM0.63m
tide state
4:53AM
tide state
6:41PM
4:54AM
6:40PM
4:54AM
6:39PM
4:55AM
6:38PM
4:56AM
6:37PM
4:57AM
6:36PM
4:57AM
6:35PM
4:58AM
6:34PM
4:59AM
6:33PM
5:00AM
6:32PM
5:00AM
6:31PM
5:01AM
6:29PM
5:02AM
6:28PM
5:03AM
6:27PM
5:03AM
6:26PM
5:04AM
6:25PM
5:05AM
6:23PM
5:06AM
6:22PM
5:07AM
6:21PM
5:07AM
6:19PM
5:08AM
6:18PM
5:09AM
6:17PM
5:10AM
6:16PM
5:10AM
6:14PM
5:11AM
6:13PM
5:12AM
6:12PM
5:13AM
6:10PM
5:13AM
6:09PM
0.77% - (Last Quarter)
tide state
11:16AM
0.78% - (Waning Crescent)
tide state
10:00PM
0.82% - (Waning Crescent)
12:26PM
10:38PM
0.85% - (Waning Crescent)
1:37PM
11:24PM
0.87% - (Waning Crescent)
2:49PM

0.89% - (Waning Crescent)
3:55PM
00:20AM
0.92% - (Waning Crescent)
4:53PM
1:27AM
0.96% - (Waning Crescent)
5:41PM
2:40AM
0.99% - (New Moon)
6:21PM
3:56AM
0.01% - (New Moon)
6:54PM
5:10AM
0.05% - (Waxing Crescent)
7:23PM
6:20AM
0.08% - (Waxing Crescent)
7:50PM
7:27AM
0.12% - (Waxing Crescent)
8:16PM
8:32AM
0.15% - (Waxing Crescent)
8:43PM
9:35AM
0.19% - (Waxing Crescent)
9:12PM
10:37AM
0.22% - (First Quarter)
9:45PM
11:39AM
0.26% - (First Quarter)
10:22PM
12:40PM
0.29% - (Waxing Gibbous)
11:05PM
1:39PM
0.33% - (Waxing Gibbous)
11:55PM
2:34PM
0.36% - (Waxing Gibbous)

3:24PM
0.4% - (Waxing Gibbous)
00:50AM
4:07PM
0.43% - (Waxing Gibbous)
1:49AM
4:45PM
0.47% - (Waxing Gibbous)
2:50AM
5:18PM
0.5% - (Full Moon)
3:52AM
5:48PM
0.54% - (Waning Gibbous)
4:54AM
6:14PM
0.57% - (Waning Gibbous)
5:56AM
6:40PM
0.61% - (Waning Gibbous)
6:58AM
7:05PM
0.64% - (Waning Gibbous)
8:02AM
7:32PM
0.68% - (Waning Gibbous)
9:08AM
8:03PM

IMPORTANT NOTE: The tidal information provided on surf-forecast.com is not intended to meet the specific requirements of certain types of watersports, industry, or any other marine / inshore activity. It is the user's responsibility to ensure that the data is suitable for their intended purpose and also to check the real life conditions before undertaking any activity.

For vessels operating under the International Convention for the Safety of Life at Sea (SOLAS), 1974 regulations we recommend they seek reference to specific tide products designed for that use.

We do not accept responsibility for any amendments or changes to the data whilst it is displayed / printed from our website and it is the user's responsibility to ensure that their hardware is configured to display the information as intended. We do not accept responsibility for any changes or representations of our data made by third parties or syndicates.

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