20 (木)	08:59	02:53	21:31	15:02
	297cm	50cm	322cm	14cm
大潮 出 05:39 入 18:49 出 05:37 入 18:57 潮干狩り ◎ 13:13～16:53

姫島（大分）2023年04月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
4/20 00:00	168.1	↓-11.8
4/20 00:10	156.5	↓-11.6
4/20 00:20	145.2	↓-11.3
4/20 00:30	134.2	↓-11.0
4/20 00:40	123.6	↓-10.6
4/20 00:50	113.5	↓-10.1
4/20 01:00	104.0	↓-9.5
4/20 01:10	95.1	↓-8.9
4/20 01:20	86.9	↓-8.2
4/20 01:30	79.5	↓-7.4
4/20 01:40	72.8	↓-6.7
4/20 01:50	66.9	↓-5.9
4/20 02:00	61.9	↓-5.0
4/20 02:10	57.7	↓-4.2
4/20 02:20	54.4	↓-3.3
4/20 02:30	52.0	↓-2.4
4/20 02:40	50.5	↓-1.5
4/20 02:50	49.9	↓-0.6	干潮
4/20 03:00	50.2	↑0.3
4/20 03:10	51.3	↑1.1
4/20 03:20	53.3	↑2.0
4/20 03:30	56.2	↑2.9
4/20 03:40	59.9	↑3.7
4/20 03:50	64.4	↑4.5
4/20 04:00	69.6	↑5.2
4/20 04:10	75.6	↑6.0
4/20 04:20	82.3	↑6.7
4/20 04:30	89.6	↑7.3
4/20 04:40	97.5	↑7.9
4/20 04:50	106.0	↑8.5
4/20 05:00	114.9	↑8.9
4/20 05:10	124.3	↑9.4
4/20 05:20	134.1	↑9.8
4/20 05:30	144.1	↑10.0
4/20 05:40	154.4	↑10.3
4/20 05:50	164.8	↑10.4
4/20 06:00	175.3	↑10.5
4/20 06:10	185.8	↑10.5
4/20 06:20	196.2	↑10.4
4/20 06:30	206.5	↑10.3
4/20 06:40	216.5	↑10.0
4/20 06:50	226.3	↑9.8
4/20 07:00	235.6	↑9.3
4/20 07:10	244.6	↑9.0
4/20 07:20	253.0	↑8.4
4/20 07:30	260.8	↑7.8
4/20 07:40	268.0	↑7.2
4/20 07:50	274.5	↑6.5
4/20 08:00	280.2	↑5.7
4/20 08:10	285.1	↑4.9
4/20 08:20	289.2	↑4.1
4/20 08:30	292.4	↑3.2
4/20 08:40	294.6	↑2.2
4/20 08:50	295.9	↑1.3	満潮
4/20 09:00	296.1	↑0.2
4/20 09:10	295.4	↓-0.7
4/20 09:20	293.7	↓-1.7
4/20 09:30	290.9	↓-2.8
4/20 09:40	287.2	↓-3.7
4/20 09:50	282.4	↓-4.8
4/20 10:00	276.6	↓-5.8
4/20 10:10	270.0	↓-6.6
4/20 10:20	262.4	↓-7.6
4/20 10:30	254.0	↓-8.4
4/20 10:40	244.7	↓-9.3
4/20 10:50	234.8	↓-9.9
4/20 11:00	224.2	↓-10.6
4/20 11:10	213.1	↓-11.1
4/20 11:20	201.5	↓-11.6
4/20 11:30	189.5	↓-12.0
4/20 11:40	177.3	↓-12.2
4/20 11:50	164.9	↓-12.4
4/20 12:00	152.4	↓-12.5	最大潮位差
4/20 12:10	140.0	↓-12.4
4/20 12:20	127.7	↓-12.3
4/20 12:30	115.7	↓-12.0
4/20 12:40	104.0	↓-11.7
4/20 12:50	92.7	↓-11.3
4/20 13:00	82.0	↓-10.7
4/20 13:10	71.8	↓-10.2
4/20 13:20	62.3	↓-9.5
4/20 13:30	53.5	↓-8.8
4/20 13:40	45.5	↓-8.0
4/20 13:50	38.3	↓-7.2
4/20 14:00	32.0	↓-6.3
4/20 14:10	26.6	↓-5.4
4/20 14:20	22.2	↓-4.4
4/20 14:30	18.6	↓-3.6
4/20 14:40	16.1	↓-2.5
4/20 14:50	14.5	↓-1.6
4/20 15:00	13.9	↓-0.6	干潮
4/20 15:10	14.2	↑0.3
4/20 15:20	15.5	↑1.3
4/20 15:30	17.8	↑2.3
4/20 15:40	21.0	↑3.2
4/20 15:50	25.1	↑4.1
4/20 16:00	30.1	↑5.0
4/20 16:10	35.9	↑5.8
4/20 16:20	42.6	↑6.7
4/20 16:30	50.1	↑7.5
4/20 16:40	58.3	↑8.2
4/20 16:50	67.2	↑8.9
4/20 17:00	76.8	↑9.6
4/20 17:10	87.0	↑10.2
4/20 17:20	97.7	↑10.7
4/20 17:30	108.9	↑11.2
4/20 17:40	120.5	↑11.6
4/20 17:50	132.4	↑11.9
4/20 18:00	144.5	↑12.1
4/20 18:10	156.9	↑12.4
4/20 18:20	169.3	↑12.4
4/20 18:30	181.7	↑12.4
4/20 18:40	194.1	↑12.4
4/20 18:50	206.3	↑12.2
4/20 19:00	218.3	↑12.0
4/20 19:10	229.9	↑11.6
4/20 19:20	241.2	↑11.3
4/20 19:30	252.0	↑10.8
4/20 19:40	262.2	↑10.2
4/20 19:50	271.8	↑9.6
4/20 20:00	280.7	↑8.9
4/20 20:10	288.9	↑8.2
4/20 20:20	296.3	↑7.4
4/20 20:30	302.8	↑6.5
4/20 20:40	308.4	↑5.6
4/20 20:50	313.0	↑4.6
4/20 21:00	316.7	↑3.7
4/20 21:10	319.3	↑2.6
4/20 21:20	320.9	↑1.6
4/20 21:30	321.5	↑0.6	満潮
4/20 21:40	321.0	↓-0.5
4/20 21:50	319.4	↓-1.6
4/20 22:00	316.8	↓-2.6
4/20 22:10	313.2	↓-3.6
4/20 22:20	308.5	↓-4.7
4/20 22:30	302.9	↓-5.6
4/20 22:40	296.4	↓-6.5
4/20 22:50	289.0	↓-7.4
4/20 23:00	280.7	↓-8.3
4/20 23:10	271.8	↓-8.9
4/20 23:20	262.2	↓-9.6
4/20 23:30	252.0	↓-10.2
4/20 23:40	241.3	↓-10.7
4/20 23:50	230.2	↓-11.1