20 (水)	02:25	08:26	14:23	21:26
	88cm	61cm	85cm	44cm
小潮 出 05:45 入 18:59 出 01:25 入 11:08

大河内湾（長崎）2044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	75.6	↑1.7	最大潮位差
4/20 00:10	77.1	↑1.5
4/20 00:20	78.5	↑1.4
4/20 00:30	79.9	↑1.4
4/20 00:40	81.2	↑1.3
4/20 00:50	82.3	↑1.1
4/20 01:00	83.4	↑1.1
4/20 01:10	84.3	↑0.9
4/20 01:20	85.2	↑0.9
4/20 01:30	85.9	↑0.7
4/20 01:40	86.5	↑0.6
4/20 01:50	86.9	↑0.4
4/20 02:00	87.3	↑0.4
4/20 02:10	87.5	↑0.2
4/20 02:20	87.6	↑0.1	満潮
4/20 02:30	87.6	0
4/20 02:40	87.5	↓-0.1
4/20 02:50	87.2	↓-0.3
4/20 03:00	86.9	↓-0.3
4/20 03:10	86.4	↓-0.5
4/20 03:20	85.9	↓-0.5
4/20 03:30	85.2	↓-0.7
4/20 03:40	84.5	↓-0.7
4/20 03:50	83.7	↓-0.8
4/20 04:00	82.8	↓-0.9
4/20 04:10	81.9	↓-0.9
4/20 04:20	80.9	↓-1.0
4/20 04:30	79.8	↓-1.1
4/20 04:40	78.7	↓-1.1
4/20 04:50	77.6	↓-1.1
4/20 05:00	76.5	↓-1.1
4/20 05:10	75.3	↓-1.2
4/20 05:20	74.2	↓-1.1
4/20 05:30	73.0	↓-1.2
4/20 05:40	71.9	↓-1.1
4/20 05:50	70.7	↓-1.2
4/20 06:00	69.6	↓-1.1
4/20 06:10	68.6	↓-1.0
4/20 06:20	67.6	↓-1.0
4/20 06:30	66.6	↓-1.0
4/20 06:40	65.7	↓-0.9
4/20 06:50	64.8	↓-0.9
4/20 07:00	64.1	↓-0.7
4/20 07:10	63.3	↓-0.8
4/20 07:20	62.7	↓-0.6
4/20 07:30	62.2	↓-0.5
4/20 07:40	61.7	↓-0.5
4/20 07:50	61.3	↓-0.4
4/20 08:00	61.1	↓-0.2
4/20 08:10	60.9	↓-0.2
4/20 08:20	60.8	↓-0.1	干潮
4/20 08:30	60.8	0
4/20 08:40	60.9	↑0.1
4/20 08:50	61.0	↑0.1
4/20 09:00	61.3	↑0.3
4/20 09:10	61.7	↑0.4
4/20 09:20	62.1	↑0.4
4/20 09:30	62.6	↑0.5
4/20 09:40	63.2	↑0.6
4/20 09:50	63.9	↑0.7
4/20 10:00	64.6	↑0.7
4/20 10:10	65.4	↑0.8
4/20 10:20	66.3	↑0.9
4/20 10:30	67.2	↑0.9
4/20 10:40	68.1	↑0.9
4/20 10:50	69.1	↑1.0
4/20 11:00	70.1	↑1.0
4/20 11:10	71.1	↑1.0
4/20 11:20	72.1	↑1.0
4/20 11:30	73.2	↑1.1
4/20 11:40	74.2	↑1.0
4/20 11:50	75.2	↑1.0
4/20 12:00	76.2	↑1.0
4/20 12:10	77.2	↑1.0
4/20 12:20	78.2	↑1.0
4/20 12:30	79.1	↑0.9
4/20 12:40	79.9	↑0.8
4/20 12:50	80.7	↑0.8
4/20 13:00	81.5	↑0.8
4/20 13:10	82.1	↑0.6
4/20 13:20	82.7	↑0.6
4/20 13:30	83.3	↑0.6
4/20 13:40	83.7	↑0.4
4/20 13:50	84.0	↑0.3
4/20 14:00	84.3	↑0.3
4/20 14:10	84.5	↑0.2
4/20 14:20	84.5	0	満潮
4/20 14:30	84.5	0
4/20 14:40	84.4	↓-0.1
4/20 14:50	84.1	↓-0.3
4/20 15:00	83.8	↓-0.3
4/20 15:10	83.4	↓-0.4
4/20 15:20	82.8	↓-0.6
4/20 15:30	82.2	↓-0.6
4/20 15:40	81.5	↓-0.7
4/20 15:50	80.6	↓-0.9
4/20 16:00	79.7	↓-0.9
4/20 16:10	78.7	↓-1.0
4/20 16:20	77.7	↓-1.0
4/20 16:30	76.5	↓-1.2
4/20 16:40	75.3	↓-1.2
4/20 16:50	74.0	↓-1.3
4/20 17:00	72.7	↓-1.3
4/20 17:10	71.3	↓-1.4
4/20 17:20	69.8	↓-1.5
4/20 17:30	68.4	↓-1.4
4/20 17:40	66.9	↓-1.5
4/20 17:50	65.4	↓-1.5
4/20 18:00	63.8	↓-1.6
4/20 18:10	62.3	↓-1.5
4/20 18:20	60.8	↓-1.5
4/20 18:30	59.3	↓-1.5
4/20 18:40	57.8	↓-1.5
4/20 18:50	56.4	↓-1.4
4/20 19:00	55.0	↓-1.4
4/20 19:10	53.6	↓-1.4
4/20 19:20	52.3	↓-1.3
4/20 19:30	51.1	↓-1.2
4/20 19:40	49.9	↓-1.2
4/20 19:50	48.8	↓-1.1
4/20 20:00	47.9	↓-0.9
4/20 20:10	46.9	↓-1.0
4/20 20:20	46.1	↓-0.8
4/20 20:30	45.4	↓-0.7
4/20 20:40	44.9	↓-0.5
4/20 20:50	44.4	↓-0.5
4/20 21:00	44.0	↓-0.4
4/20 21:10	43.8	↓-0.2
4/20 21:20	43.6	↓-0.2	干潮
4/20 21:30	43.6	0
4/20 21:40	43.8	↑0.2
4/20 21:50	44.0	↑0.2
4/20 22:00	44.4	↑0.4
4/20 22:10	44.8	↑0.4
4/20 22:20	45.5	↑0.7
4/20 22:30	46.2	↑0.7
4/20 22:40	47.0	↑0.8
4/20 22:50	48.0	↑1.0
4/20 23:00	49.0	↑1.0
4/20 23:10	50.2	↑1.2
4/20 23:20	51.4	↑1.2
4/20 23:30	52.7	↑1.3
4/20 23:40	54.1	↑1.4
4/20 23:50	55.6	↑1.5