20 (土)	05:27	11:38	17:26	23:37
	143cm	59cm	133cm	45cm
中潮 出 05:38 入 18:48 出 15:30 入 03:48

長島（大分）2024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	51.8	↑1.7
4/20 00:10	53.8	↑2.0
4/20 00:20	56.1	↑2.3
4/20 00:30	58.6	↑2.5
4/20 00:40	61.2	↑2.6
4/20 00:50	64.1	↑2.9
4/20 01:00	67.2	↑3.1
4/20 01:10	70.4	↑3.2
4/20 01:20	73.8	↑3.4
4/20 01:30	77.3	↑3.5
4/20 01:40	80.9	↑3.6
4/20 01:50	84.6	↑3.7
4/20 02:00	88.4	↑3.8
4/20 02:10	92.2	↑3.8
4/20 02:20	96.1	↑3.9	最大潮位差
4/20 02:30	100.0	↑3.9	最大潮位差
4/20 02:40	103.9	↑3.9	最大潮位差
4/20 02:50	107.8	↑3.9	最大潮位差
4/20 03:00	111.6	↑3.8
4/20 03:10	115.3	↑3.7
4/20 03:20	118.8	↑3.5
4/20 03:30	122.2	↑3.4
4/20 03:40	125.4	↑3.2
4/20 03:50	128.4	↑3.0
4/20 04:00	131.1	↑2.7
4/20 04:10	133.6	↑2.5
4/20 04:20	135.8	↑2.2
4/20 04:30	137.6	↑1.8
4/20 04:40	139.2	↑1.6
4/20 04:50	140.5	↑1.3
4/20 05:00	141.4	↑0.9
4/20 05:10	142.1	↑0.7
4/20 05:20	142.4	↑0.3	満潮
4/20 05:30	142.4	0
4/20 05:40	142.2	↓-0.2
4/20 05:50	141.6	↓-0.6
4/20 06:00	140.9	↓-0.7
4/20 06:10	139.8	↓-1.1
4/20 06:20	138.6	↓-1.2
4/20 06:30	137.1	↓-1.5
4/20 06:40	135.5	↓-1.6
4/20 06:50	133.6	↓-1.9
4/20 07:00	131.5	↓-2.1
4/20 07:10	129.3	↓-2.2
4/20 07:20	126.9	↓-2.4
4/20 07:30	124.3	↓-2.6
4/20 07:40	121.6	↓-2.7
4/20 07:50	118.7	↓-2.9
4/20 08:00	115.6	↓-3.1
4/20 08:10	112.4	↓-3.2
4/20 08:20	109.1	↓-3.3
4/20 08:30	105.7	↓-3.4
4/20 08:40	102.1	↓-3.6
4/20 08:50	98.5	↓-3.6
4/20 09:00	94.9	↓-3.6
4/20 09:10	91.3	↓-3.6
4/20 09:20	87.7	↓-3.6
4/20 09:30	84.2	↓-3.5
4/20 09:40	80.7	↓-3.5
4/20 09:50	77.5	↓-3.2
4/20 10:00	74.4	↓-3.1
4/20 10:10	71.5	↓-2.9
4/20 10:20	68.8	↓-2.7
4/20 10:30	66.5	↓-2.3
4/20 10:40	64.4	↓-2.1
4/20 10:50	62.6	↓-1.8
4/20 11:00	61.2	↓-1.4
4/20 11:10	60.2	↓-1.0
4/20 11:20	59.4	↓-0.8
4/20 11:30	59.0	↓-0.4	干潮
4/20 11:40	59.0	0
4/20 11:50	59.2	↑0.2
4/20 12:00	59.8	↑0.6
4/20 12:10	60.7	↑0.9
4/20 12:20	61.8	↑1.1
4/20 12:30	63.2	↑1.4
4/20 12:40	64.9	↑1.7
4/20 12:50	66.7	↑1.8
4/20 13:00	68.8	↑2.1
4/20 13:10	71.1	↑2.3
4/20 13:20	73.5	↑2.4
4/20 13:30	76.1	↑2.6
4/20 13:40	78.8	↑2.7
4/20 13:50	81.7	↑2.9
4/20 14:00	84.6	↑2.9
4/20 14:10	87.7	↑3.1
4/20 14:20	90.9	↑3.2
4/20 14:30	94.1	↑3.2
4/20 14:40	97.3	↑3.2
4/20 14:50	100.6	↑3.3
4/20 15:00	103.9	↑3.3
4/20 15:10	107.1	↑3.2
4/20 15:20	110.3	↑3.2
4/20 15:30	113.4	↑3.1
4/20 15:40	116.3	↑2.9
4/20 15:50	119.1	↑2.8
4/20 16:00	121.6	↑2.5
4/20 16:10	124.0	↑2.4
4/20 16:20	126.1	↑2.1
4/20 16:30	127.9	↑1.8
4/20 16:40	129.5	↑1.6
4/20 16:50	130.7	↑1.2
4/20 17:00	131.7	↑1.0
4/20 17:10	132.3	↑0.6
4/20 17:20	132.6	↑0.3	満潮
4/20 17:30	132.6	0
4/20 17:40	132.3	↓-0.3
4/20 17:50	131.7	↓-0.6
4/20 18:00	130.8	↓-0.9
4/20 18:10	129.7	↓-1.1
4/20 18:20	128.3	↓-1.4
4/20 18:30	126.7	↓-1.6
4/20 18:40	124.9	↓-1.8
4/20 18:50	122.9	↓-2.0
4/20 19:00	120.8	↓-2.1
4/20 19:10	118.4	↓-2.4
4/20 19:20	115.9	↓-2.5
4/20 19:30	113.2	↓-2.7
4/20 19:40	110.4	↓-2.8
4/20 19:50	107.5	↓-2.9
4/20 20:00	104.4	↓-3.1
4/20 20:10	101.1	↓-3.3
4/20 20:20	97.8	↓-3.3
4/20 20:30	94.3	↓-3.5
4/20 20:40	90.7	↓-3.6
4/20 20:50	87.0	↓-3.7
4/20 21:00	83.3	↓-3.7
4/20 21:10	79.5	↓-3.8
4/20 21:20	75.8	↓-3.7
4/20 21:30	72.0	↓-3.8
4/20 21:40	68.4	↓-3.6
4/20 21:50	64.8	↓-3.6
4/20 22:00	61.4	↓-3.4
4/20 22:10	58.2	↓-3.2
4/20 22:20	55.3	↓-2.9
4/20 22:30	52.6	↓-2.7
4/20 22:40	50.3	↓-2.3
4/20 22:50	48.3	↓-2.0
4/20 23:00	46.6	↓-1.7
4/20 23:10	45.4	↓-1.2
4/20 23:20	44.5	↓-0.9
4/20 23:30	44.1	↓-0.4	干潮
4/20 23:40	44.0	↓-0.1
4/20 23:50	44.4	↑0.4