21 (日)	03:47	09:34	16:01	22:46
	73cm	51cm	81cm	37cm
小潮 出 05:45 入 18:59 出 12:13 入 01:57

泉（長崎）2002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	53.7	↑1.3
4/21 00:10	55.1	↑1.4
4/21 00:20	56.4	↑1.3
4/21 00:30	57.7	↑1.3
4/21 00:40	59.0	↑1.3
4/21 00:50	60.3	↑1.3
4/21 01:00	61.5	↑1.2
4/21 01:10	62.7	↑1.2
4/21 01:20	63.8	↑1.1
4/21 01:30	64.9	↑1.1
4/21 01:40	66.0	↑1.1
4/21 01:50	67.0	↑1.0
4/21 02:00	67.9	↑0.9
4/21 02:10	68.8	↑0.9
4/21 02:20	69.5	↑0.7
4/21 02:30	70.2	↑0.7
4/21 02:40	70.8	↑0.6
4/21 02:50	71.4	↑0.6
4/21 03:00	71.8	↑0.4
4/21 03:10	72.2	↑0.4
4/21 03:20	72.5	↑0.3
4/21 03:30	72.6	↑0.1
4/21 03:40	72.7	↑0.1	満潮
4/21 03:50	72.7	0
4/21 04:00	72.7	0
4/21 04:10	72.5	↓-0.2
4/21 04:20	72.3	↓-0.2
4/21 04:30	71.9	↓-0.4
4/21 04:40	71.5	↓-0.4
4/21 04:50	71.0	↓-0.5
4/21 05:00	70.5	↓-0.5
4/21 05:10	69.9	↓-0.6
4/21 05:20	69.2	↓-0.7
4/21 05:30	68.4	↓-0.8
4/21 05:40	67.7	↓-0.7
4/21 05:50	66.8	↓-0.9
4/21 06:00	65.9	↓-0.9
4/21 06:10	65.0	↓-0.9
4/21 06:20	64.1	↓-0.9
4/21 06:30	63.1	↓-1.0
4/21 06:40	62.1	↓-1.0
4/21 06:50	61.1	↓-1.0
4/21 07:00	60.1	↓-1.0
4/21 07:10	59.2	↓-0.9
4/21 07:20	58.2	↓-1.0
4/21 07:30	57.3	↓-0.9
4/21 07:40	56.4	↓-0.9
4/21 07:50	55.6	↓-0.8
4/21 08:00	54.8	↓-0.8
4/21 08:10	54.0	↓-0.8
4/21 08:20	53.3	↓-0.7
4/21 08:30	52.7	↓-0.6
4/21 08:40	52.2	↓-0.5
4/21 08:50	51.8	↓-0.4
4/21 09:00	51.4	↓-0.4
4/21 09:10	51.1	↓-0.3
4/21 09:20	51.0	↓-0.1
4/21 09:30	50.9	↓-0.1	干潮
4/21 09:40	50.9	0
4/21 09:50	51.0	↑0.1
4/21 10:00	51.2	↑0.2
4/21 10:10	51.6	↑0.4
4/21 10:20	52.0	↑0.4
4/21 10:30	52.5	↑0.5
4/21 10:40	53.0	↑0.5
4/21 10:50	53.7	↑0.7
4/21 11:00	54.5	↑0.8
4/21 11:10	55.3	↑0.8
4/21 11:20	56.2	↑0.9
4/21 11:30	57.1	↑0.9
4/21 11:40	58.1	↑1.0
4/21 11:50	59.2	↑1.1
4/21 12:00	60.3	↑1.1
4/21 12:10	61.4	↑1.1
4/21 12:20	62.6	↑1.2
4/21 12:30	63.7	↑1.1
4/21 12:40	64.9	↑1.2
4/21 12:50	66.1	↑1.2
4/21 13:00	67.3	↑1.2
4/21 13:10	68.4	↑1.1
4/21 13:20	69.6	↑1.2
4/21 13:30	70.7	↑1.1
4/21 13:40	71.8	↑1.1
4/21 13:50	72.8	↑1.0
4/21 14:00	73.8	↑1.0
4/21 14:10	74.8	↑1.0
4/21 14:20	75.7	↑0.9
4/21 14:30	76.5	↑0.8
4/21 14:40	77.3	↑0.8
4/21 14:50	78.0	↑0.7
4/21 15:00	78.6	↑0.6
4/21 15:10	79.1	↑0.5
4/21 15:20	79.5	↑0.4
4/21 15:30	79.9	↑0.4
4/21 15:40	80.1	↑0.2
4/21 15:50	80.3	↑0.2
4/21 16:00	80.3	0	満潮
4/21 16:10	80.3	0
4/21 16:20	80.1	↓-0.2
4/21 16:30	79.8	↓-0.3
4/21 16:40	79.4	↓-0.4
4/21 16:50	79.0	↓-0.4
4/21 17:00	78.4	↓-0.6
4/21 17:10	77.6	↓-0.8
4/21 17:20	76.8	↓-0.8
4/21 17:30	75.9	↓-0.9
4/21 17:40	74.9	↓-1.0
4/21 17:50	73.7	↓-1.2
4/21 18:00	72.5	↓-1.2
4/21 18:10	71.2	↓-1.3
4/21 18:20	69.8	↓-1.4
4/21 18:30	68.3	↓-1.5
4/21 18:40	66.8	↓-1.5
4/21 18:50	65.2	↓-1.6
4/21 19:00	63.5	↓-1.7
4/21 19:10	61.8	↓-1.7
4/21 19:20	60.1	↓-1.7
4/21 19:30	58.3	↓-1.8	最大潮位差
4/21 19:40	56.6	↓-1.7
4/21 19:50	54.8	↓-1.8	最大潮位差
4/21 20:00	53.1	↓-1.7
4/21 20:10	51.4	↓-1.7
4/21 20:20	49.7	↓-1.7
4/21 20:30	48.1	↓-1.6
4/21 20:40	46.6	↓-1.5
4/21 20:50	45.1	↓-1.5
4/21 21:00	43.7	↓-1.4
4/21 21:10	42.5	↓-1.2
4/21 21:20	41.3	↓-1.2
4/21 21:30	40.2	↓-1.1
4/21 21:40	39.3	↓-0.9
4/21 21:50	38.5	↓-0.8
4/21 22:00	37.8	↓-0.7
4/21 22:10	37.2	↓-0.6
4/21 22:20	36.8	↓-0.4
4/21 22:30	36.5	↓-0.3
4/21 22:40	36.4	↓-0.1	干潮
4/21 22:50	36.4	0
4/21 23:00	36.5	↑0.1
4/21 23:10	36.8	↑0.3
4/21 23:20	37.2	↑0.4
4/21 23:30	37.7	↑0.5
4/21 23:40	38.4	↑0.7
4/21 23:50	39.2	↑0.8