21 (金)	05:09	10:55	17:25	23:31
	78cm	45cm	84cm	35cm
長潮 出 05:44 入 18:59 出 02:22 入 13:21

泉（長崎）2017年04月21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
4/21 00:00	45.9	↑1.0
4/21 00:10	47.0	↑1.1
4/21 00:20	48.2	↑1.2
4/21 00:30	49.4	↑1.2
4/21 00:40	50.7	↑1.3
4/21 00:50	52.0	↑1.3
4/21 01:00	53.4	↑1.4
4/21 01:10	54.7	↑1.3
4/21 01:20	56.1	↑1.4
4/21 01:30	57.5	↑1.4
4/21 01:40	59.0	↑1.5
4/21 01:50	60.4	↑1.4
4/21 02:00	61.7	↑1.3
4/21 02:10	63.1	↑1.4
4/21 02:20	64.5	↑1.4
4/21 02:30	65.8	↑1.3
4/21 02:40	67.1	↑1.3
4/21 02:50	68.3	↑1.2
4/21 03:00	69.5	↑1.2
4/21 03:10	70.7	↑1.2
4/21 03:20	71.7	↑1.0
4/21 03:30	72.7	↑1.0
4/21 03:40	73.7	↑1.0
4/21 03:50	74.5	↑0.8
4/21 04:00	75.3	↑0.8
4/21 04:10	76.0	↑0.7
4/21 04:20	76.6	↑0.6
4/21 04:30	77.1	↑0.5
4/21 04:40	77.4	↑0.3
4/21 04:50	77.7	↑0.3
4/21 05:00	77.8	↑0.1	満潮
4/21 05:10	77.9	↑0.1
4/21 05:20	77.8	↓-0.1
4/21 05:30	77.6	↓-0.2
4/21 05:40	77.2	↓-0.4
4/21 05:50	76.8	↓-0.4
4/21 06:00	76.2	↓-0.6
4/21 06:10	75.5	↓-0.7
4/21 06:20	74.7	↓-0.8
4/21 06:30	73.8	↓-0.9
4/21 06:40	72.8	↓-1.0
4/21 06:50	71.6	↓-1.2
4/21 07:00	70.4	↓-1.2
4/21 07:10	69.1	↓-1.3
4/21 07:20	67.8	↓-1.3
4/21 07:30	66.3	↓-1.5
4/21 07:40	64.9	↓-1.4
4/21 07:50	63.3	↓-1.6
4/21 08:00	61.8	↓-1.5
4/21 08:10	60.3	↓-1.5
4/21 08:20	58.7	↓-1.6
4/21 08:30	57.2	↓-1.5
4/21 08:40	55.8	↓-1.4
4/21 08:50	54.3	↓-1.5
4/21 09:00	53.0	↓-1.3
4/21 09:10	51.7	↓-1.3
4/21 09:20	50.4	↓-1.3
4/21 09:30	49.3	↓-1.1
4/21 09:40	48.3	↓-1.0
4/21 09:50	47.4	↓-0.9
4/21 10:00	46.6	↓-0.8
4/21 10:10	45.9	↓-0.7
4/21 10:20	45.4	↓-0.5
4/21 10:30	45.0	↓-0.4
4/21 10:40	44.8	↓-0.2
4/21 10:50	44.6	↓-0.2	干潮
4/21 11:00	44.6	0
4/21 11:10	44.8	↑0.2
4/21 11:20	45.1	↑0.3
4/21 11:30	45.5	↑0.4
4/21 11:40	46.0	↑0.5
4/21 11:50	46.7	↑0.7
4/21 12:00	47.4	↑0.7
4/21 12:10	48.3	↑0.9
4/21 12:20	49.2	↑0.9
4/21 12:30	50.3	↑1.1
4/21 12:40	51.4	↑1.1
4/21 12:50	52.6	↑1.2
4/21 13:00	53.9	↑1.3
4/21 13:10	55.2	↑1.3
4/21 13:20	56.6	↑1.4
4/21 13:30	58.0	↑1.4
4/21 13:40	59.4	↑1.4
4/21 13:50	60.9	↑1.5
4/21 14:00	62.3	↑1.4
4/21 14:10	63.8	↑1.5
4/21 14:20	65.3	↑1.5
4/21 14:30	66.8	↑1.5
4/21 14:40	68.3	↑1.5
4/21 14:50	69.7	↑1.4
4/21 15:00	71.1	↑1.4
4/21 15:10	72.5	↑1.4
4/21 15:20	73.8	↑1.3
4/21 15:30	75.1	↑1.3
4/21 15:40	76.3	↑1.2
4/21 15:50	77.4	↑1.1
4/21 16:00	78.5	↑1.1
4/21 16:10	79.4	↑0.9
4/21 16:20	80.3	↑0.9
4/21 16:30	81.1	↑0.8
4/21 16:40	81.7	↑0.6
4/21 16:50	82.3	↑0.6
4/21 17:00	82.7	↑0.4
4/21 17:10	82.9	↑0.2
4/21 17:20	83.1	↑0.2	満潮
4/21 17:30	83.0	↓-0.1
4/21 17:40	82.9	↓-0.1
4/21 17:50	82.6	↓-0.3
4/21 18:00	82.1	↓-0.5
4/21 18:10	81.4	↓-0.7
4/21 18:20	80.6	↓-0.8
4/21 18:30	79.7	↓-0.9
4/21 18:40	78.6	↓-1.1
4/21 18:50	77.3	↓-1.3
4/21 19:00	75.9	↓-1.4
4/21 19:10	74.4	↓-1.5
4/21 19:20	72.7	↓-1.7
4/21 19:30	71.0	↓-1.7
4/21 19:40	69.1	↓-1.9
4/21 19:50	67.1	↓-2.0
4/21 20:00	65.1	↓-2.0
4/21 20:10	63.0	↓-2.1
4/21 20:20	60.9	↓-2.1
4/21 20:30	58.8	↓-2.1
4/21 20:40	56.6	↓-2.2	最大潮位差
4/21 20:50	54.5	↓-2.1
4/21 21:00	52.4	↓-2.1
4/21 21:10	50.3	↓-2.1
4/21 21:20	48.4	↓-1.9
4/21 21:30	46.4	↓-2.0
4/21 21:40	44.6	↓-1.8
4/21 21:50	43.0	↓-1.6
4/21 22:00	41.4	↓-1.6
4/21 22:10	40.0	↓-1.4
4/21 22:20	38.7	↓-1.3
4/21 22:30	37.6	↓-1.1
4/21 22:40	36.6	↓-1.0
4/21 22:50	35.8	↓-0.8
4/21 23:00	35.2	↓-0.6
4/21 23:10	34.8	↓-0.4
4/21 23:20	34.5	↓-0.3
4/21 23:30	34.4	↓-0.1	干潮
4/21 23:40	34.5	↑0.1
4/21 23:50	34.7	↑0.2