NOAA station analysis · station-local time

Hilo Tide Chart: Longest Listed High-to-Low Interval

The answer

NOAA's longest listed same-date high-to-low interval for Hilo, Hawaii in this 30-day response is 991 minutes, from the 07:09 high on October 16, 2026 to the 23:40 low. The predicted height changes from 2.202 ft to 0.471 ft relative to MLLW.

How this result was calculated

This page examines every adjacent listed high-to-low pair that remains within one station-local date, calculates its elapsed minutes, and reports the longest pair. It does not interpolate an unlisted turn.

Complete 30-day NOAA prediction sequence

Local time	Turn	Feet (MLLW)	Metres (converted)
2026-10-12 04:06	High	2.726 ft	0.831 m
2026-10-12 10:24	Low	0.775 ft	0.236 m
2026-10-12 15:23	High	1.762 ft	0.537 m
2026-10-12 21:36	Low	-0.048 ft	-0.015 m
2026-10-13 04:44	High	2.664 ft	0.812 m
2026-10-13 11:11	Low	0.890 ft	0.271 m
2026-10-13 15:46	High	1.569 ft	0.478 m
2026-10-13 22:03	Low	0.037 ft	0.011 m
2026-10-14 05:25	High	2.538 ft	0.774 m
2026-10-14 12:03	Low	1.003 ft	0.306 m
2026-10-14 16:05	High	1.394 ft	0.425 m
2026-10-14 22:30	Low	0.158 ft	0.048 m
2026-10-15 06:10	High	2.371 ft	0.723 m
2026-10-15 13:05	Low	1.105 ft	0.337 m
2026-10-15 16:14	High	1.244 ft	0.379 m
2026-10-15 23:01	Low	0.305 ft	0.093 m
2026-10-16 07:09	High	2.202 ft	0.671 m
2026-10-16 23:40	Low	0.471 ft	0.144 m
2026-10-17 08:35	High	2.096 ft	0.639 m
2026-10-18 00:42	Low	0.646 ft	0.197 m
2026-10-18 10:00	High	2.107 ft	0.642 m
2026-10-18 18:29	Low	0.874 ft	0.266 m
2026-10-18 22:04	High	0.968 ft	0.295 m
2026-10-19 03:00	Low	0.755 ft	0.230 m
2026-10-19 10:55	High	2.174 ft	0.663 m
2026-10-19 18:17	Low	0.760 ft	0.232 m
2026-10-19 23:19	High	1.202 ft	0.366 m
2026-10-20 04:31	Low	0.724 ft	0.221 m
2026-10-20 11:36	High	2.241 ft	0.683 m
2026-10-20 18:26	Low	0.616 ft	0.188 m
2026-10-21 00:05	High	1.491 ft	0.454 m
2026-10-21 05:33	Low	0.660 ft	0.201 m
2026-10-21 12:10	High	2.284 ft	0.696 m
2026-10-21 18:42	Low	0.441 ft	0.134 m
2026-10-22 00:44	High	1.817 ft	0.554 m
2026-10-22 06:25	Low	0.606 ft	0.185 m
2026-10-22 12:41	High	2.287 ft	0.697 m
2026-10-22 19:02	Low	0.242 ft	0.074 m
2026-10-23 01:21	High	2.156 ft	0.657 m
2026-10-23 07:13	Low	0.575 ft	0.175 m
2026-10-23 13:10	High	2.243 ft	0.684 m
2026-10-23 19:25	Low	0.039 ft	0.012 m
2026-10-24 01:58	High	2.481 ft	0.756 m
2026-10-24 07:59	Low	0.576 ft	0.176 m
2026-10-24 13:40	High	2.150 ft	0.655 m
2026-10-24 19:52	Low	-0.145 ft	-0.044 m
2026-10-25 02:36	High	2.755 ft	0.840 m
2026-10-25 08:45	Low	0.612 ft	0.187 m
2026-10-25 14:10	High	2.015 ft	0.614 m
2026-10-25 20:21	Low	-0.286 ft	-0.087 m
2026-10-26 03:16	High	2.947 ft	0.898 m
2026-10-26 09:35	Low	0.683 ft	0.208 m
2026-10-26 14:41	High	1.849 ft	0.564 m
2026-10-26 20:53	Low	-0.362 ft	-0.110 m
2026-10-27 04:00	High	3.037 ft	0.926 m
2026-10-27 10:30	Low	0.777 ft	0.237 m
2026-10-27 15:14	High	1.666 ft	0.508 m
2026-10-27 21:29	Low	-0.358 ft	-0.109 m
2026-10-28 04:48	High	3.025 ft	0.922 m
2026-10-28 11:31	Low	0.877 ft	0.267 m
2026-10-28 15:48	High	1.479 ft	0.451 m
2026-10-28 22:09	Low	-0.271 ft	-0.083 m
2026-10-29 05:42	High	2.927 ft	0.892 m
2026-10-29 12:39	Low	0.964 ft	0.294 m
2026-10-29 16:27	High	1.296 ft	0.395 m
2026-10-29 22:55	Low	-0.104 ft	-0.032 m
2026-10-30 06:41	High	2.774 ft	0.846 m
2026-10-30 14:06	Low	0.997 ft	0.304 m
2026-10-30 17:20	High	1.125 ft	0.343 m
2026-10-30 23:50	Low	0.128 ft	0.039 m
2026-10-31 07:53	High	2.615 ft	0.797 m
2026-10-31 15:59	Low	0.904 ft	0.276 m
2026-10-31 19:02	High	1.003 ft	0.306 m
2026-11-01 01:00	Low	0.398 ft	0.121 m
2026-11-01 09:11	High	2.504 ft	0.763 m
2026-11-01 16:57	Low	0.740 ft	0.226 m
2026-11-01 21:41	High	1.103 ft	0.336 m
2026-11-02 02:42	Low	0.629 ft	0.192 m
2026-11-02 10:16	High	2.432 ft	0.741 m
2026-11-02 17:32	Low	0.565 ft	0.172 m
2026-11-02 23:10	High	1.410 ft	0.430 m
2026-11-03 04:20	Low	0.731 ft	0.223 m
2026-11-03 11:06	High	2.352 ft	0.717 m
2026-11-03 18:01	Low	0.387 ft	0.118 m
2026-11-04 00:11	High	1.766 ft	0.538 m
2026-11-04 05:35	Low	0.763 ft	0.233 m
2026-11-04 11:48	High	2.247 ft	0.685 m
2026-11-04 18:27	Low	0.214 ft	0.065 m
2026-11-05 00:58	High	2.111 ft	0.643 m
2026-11-05 06:38	Low	0.774 ft	0.236 m
2026-11-05 12:24	High	2.118 ft	0.646 m
2026-11-05 18:51	Low	0.057 ft	0.017 m
2026-11-06 01:36	High	2.408 ft	0.734 m
2026-11-06 07:30	Low	0.779 ft	0.237 m
2026-11-06 12:56	High	1.976 ft	0.602 m
2026-11-06 19:15	Low	-0.073 ft	-0.022 m
2026-11-07 02:11	High	2.634 ft	0.803 m
2026-11-07 08:15	Low	0.786 ft	0.240 m
2026-11-07 13:25	High	1.831 ft	0.558 m
2026-11-07 19:40	Low	-0.164 ft	-0.050 m
2026-11-08 02:43	High	2.779 ft	0.847 m
2026-11-08 08:58	Low	0.794 ft	0.242 m
2026-11-08 13:54	High	1.690 ft	0.515 m
2026-11-08 20:06	Low	-0.207 ft	-0.063 m
2026-11-09 03:16	High	2.840 ft	0.866 m
2026-11-09 09:41	Low	0.805 ft	0.245 m
2026-11-09 14:23	High	1.557 ft	0.475 m
2026-11-09 20:32	Low	-0.201 ft	-0.061 m
2026-11-10 03:50	High	2.825 ft	0.861 m
2026-11-10 10:25	Low	0.821 ft	0.250 m
2026-11-10 14:51	High	1.433 ft	0.437 m
2026-11-10 21:01	Low	-0.150 ft	-0.046 m

Method and primary sources

This page calculates from official NOAA prediction entries for Hilo, Hilo Bay, Kuhio Bay, station 1617760. Heights are predicted values relative to Mean Lower Low Water, not observed water levels or a safety guarantee.

Open the exact NOAA prediction response · Open the NOAA station record