20 (月)	02:47	08:47	15:10	21:56
	76cm	48cm	81cm	38cm
小潮 出 05:46 入 18:58 出 01:19 入 12:03

泉（長崎）1998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	61.4	↑1.5
4/20 00:10	62.9	↑1.5
4/20 00:20	64.3	↑1.4
4/20 00:30	65.7	↑1.4
4/20 00:40	67.0	↑1.3
4/20 00:50	68.2	↑1.2
4/20 01:00	69.4	↑1.2
4/20 01:10	70.5	↑1.1
4/20 01:20	71.5	↑1.0
4/20 01:30	72.4	↑0.9
4/20 01:40	73.1	↑0.7
4/20 01:50	73.8	↑0.7
4/20 02:00	74.4	↑0.6
4/20 02:10	74.9	↑0.5
4/20 02:20	75.2	↑0.3
4/20 02:30	75.4	↑0.2
4/20 02:40	75.6	↑0.2	満潮
4/20 02:50	75.6	0
4/20 03:00	75.5	↓-0.1
4/20 03:10	75.3	↓-0.2
4/20 03:20	75.0	↓-0.3
4/20 03:30	74.5	↓-0.5
4/20 03:40	74.0	↓-0.5
4/20 03:50	73.4	↓-0.6
4/20 04:00	72.7	↓-0.7
4/20 04:10	71.9	↓-0.8
4/20 04:20	71.0	↓-0.9
4/20 04:30	70.1	↓-0.9
4/20 04:40	69.1	↓-1.0
4/20 04:50	68.0	↓-1.1
4/20 05:00	66.9	↓-1.1
4/20 05:10	65.8	↓-1.1
4/20 05:20	64.6	↓-1.2
4/20 05:30	63.4	↓-1.2
4/20 05:40	62.2	↓-1.2
4/20 05:50	61.0	↓-1.2
4/20 06:00	59.7	↓-1.3
4/20 06:10	58.5	↓-1.2
4/20 06:20	57.3	↓-1.2
4/20 06:30	56.2	↓-1.1
4/20 06:40	55.1	↓-1.1
4/20 06:50	54.0	↓-1.1
4/20 07:00	53.0	↓-1.0
4/20 07:10	52.0	↓-1.0
4/20 07:20	51.1	↓-0.9
4/20 07:30	50.3	↓-0.8
4/20 07:40	49.6	↓-0.7
4/20 07:50	49.0	↓-0.6
4/20 08:00	48.4	↓-0.6
4/20 08:10	48.0	↓-0.4
4/20 08:20	47.7	↓-0.3
4/20 08:30	47.4	↓-0.3
4/20 08:40	47.3	↓-0.1	干潮
4/20 08:50	47.3	0
4/20 09:00	47.4	↑0.1
4/20 09:10	47.6	↑0.2
4/20 09:20	47.9	↑0.3
4/20 09:30	48.4	↑0.5
4/20 09:40	48.9	↑0.5
4/20 09:50	49.5	↑0.6
4/20 10:00	50.3	↑0.8
4/20 10:10	51.1	↑0.8
4/20 10:20	52.0	↑0.9
4/20 10:30	53.0	↑1.0
4/20 10:40	54.1	↑1.1
4/20 10:50	55.2	↑1.1
4/20 11:00	56.4	↑1.2
4/20 11:10	57.7	↑1.3
4/20 11:20	59.0	↑1.3
4/20 11:30	60.3	↑1.3
4/20 11:40	61.6	↑1.3
4/20 11:50	63.0	↑1.4
4/20 12:00	64.4	↑1.4
4/20 12:10	65.7	↑1.3
4/20 12:20	67.1	↑1.4
4/20 12:30	68.4	↑1.3
4/20 12:40	69.7	↑1.3
4/20 12:50	70.9	↑1.2
4/20 13:00	72.1	↑1.2
4/20 13:10	73.3	↑1.2
4/20 13:20	74.4	↑1.1
4/20 13:30	75.4	↑1.0
4/20 13:40	76.3	↑0.9
4/20 13:50	77.2	↑0.9
4/20 14:00	77.9	↑0.7
4/20 14:10	78.6	↑0.7
4/20 14:20	79.2	↑0.6
4/20 14:30	79.7	↑0.5
4/20 14:40	80.0	↑0.3
4/20 14:50	80.3	↑0.3
4/20 15:00	80.4	↑0.1	満潮
4/20 15:10	80.5	↑0.1	満潮
4/20 15:20	80.4	↓-0.1
4/20 15:30	80.2	↓-0.2
4/20 15:40	79.9	↓-0.3
4/20 15:50	79.5	↓-0.4
4/20 16:00	79.0	↓-0.5
4/20 16:10	78.4	↓-0.6
4/20 16:20	77.7	↓-0.7
4/20 16:30	76.8	↓-0.9
4/20 16:40	75.9	↓-0.9
4/20 16:50	74.9	↓-1.0
4/20 17:00	73.7	↓-1.2
4/20 17:10	72.5	↓-1.2
4/20 17:20	71.2	↓-1.3
4/20 17:30	69.8	↓-1.4
4/20 17:40	68.4	↓-1.4
4/20 17:50	66.9	↓-1.5
4/20 18:00	65.3	↓-1.6
4/20 18:10	63.7	↓-1.6
4/20 18:20	62.1	↓-1.6
4/20 18:30	60.4	↓-1.7	最大潮位差
4/20 18:40	58.7	↓-1.7	最大潮位差
4/20 18:50	57.0	↓-1.7	最大潮位差
4/20 19:00	55.4	↓-1.6
4/20 19:10	53.7	↓-1.7	最大潮位差
4/20 19:20	52.1	↓-1.6
4/20 19:30	50.5	↓-1.6
4/20 19:40	48.9	↓-1.6
4/20 19:50	47.4	↓-1.5
4/20 20:00	46.0	↓-1.4
4/20 20:10	44.7	↓-1.3
4/20 20:20	43.4	↓-1.3
4/20 20:30	42.3	↓-1.1
4/20 20:40	41.2	↓-1.1
4/20 20:50	40.3	↓-0.9
4/20 21:00	39.5	↓-0.8
4/20 21:10	38.8	↓-0.7
4/20 21:20	38.3	↓-0.5
4/20 21:30	37.9	↓-0.4
4/20 21:40	37.6	↓-0.3
4/20 21:50	37.5	↓-0.1	干潮
4/20 22:00	37.5	0
4/20 22:10	37.6	↑0.1
4/20 22:20	37.9	↑0.3
4/20 22:30	38.3	↑0.4
4/20 22:40	38.8	↑0.5
4/20 22:50	39.5	↑0.7
4/20 23:00	40.3	↑0.8
4/20 23:10	41.2	↑0.9
4/20 23:20	42.2	↑1.0
4/20 23:30	43.2	↑1.0
4/20 23:40	44.4	↑1.2
4/20 23:50	45.7	↑1.3