18 (金)	05:11	11:03	17:08	23:57
	79cm	46cm	86cm	23cm
若潮 出 07:05 入 18:09 出 02:58 入 13:05

大河内湾（長崎）2039年02月18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
2/18 00:00	35.8	↑1.3
2/18 00:10	37.2	↑1.4
2/18 00:20	38.7	↑1.5
2/18 00:30	40.3	↑1.6
2/18 00:40	42.0	↑1.7
2/18 00:50	43.7	↑1.7
2/18 01:00	45.5	↑1.8
2/18 01:10	47.3	↑1.8
2/18 01:20	49.2	↑1.9
2/18 01:30	51.1	↑1.9
2/18 01:40	53.1	↑2.0
2/18 01:50	55.0	↑1.9
2/18 02:00	56.9	↑1.9
2/18 02:10	58.8	↑1.9
2/18 02:20	60.7	↑1.9
2/18 02:30	62.5	↑1.8
2/18 02:40	64.3	↑1.8
2/18 02:50	66.0	↑1.7
2/18 03:00	67.6	↑1.6
2/18 03:10	69.2	↑1.6
2/18 03:20	70.6	↑1.4
2/18 03:30	72.0	↑1.4
2/18 03:40	73.3	↑1.3
2/18 03:50	74.4	↑1.1
2/18 04:00	75.4	↑1.0
2/18 04:10	76.3	↑0.9
2/18 04:20	77.0	↑0.7
2/18 04:30	77.7	↑0.7
2/18 04:40	78.1	↑0.4
2/18 04:50	78.5	↑0.4
2/18 05:00	78.7	↑0.2
2/18 05:10	78.8	↑0.1	満潮
2/18 05:20	78.7	↓-0.1
2/18 05:30	78.5	↓-0.2
2/18 05:40	78.1	↓-0.4
2/18 05:50	77.7	↓-0.4
2/18 06:00	77.1	↓-0.6
2/18 06:10	76.4	↓-0.7
2/18 06:20	75.5	↓-0.9
2/18 06:30	74.6	↓-0.9
2/18 06:40	73.6	↓-1.0
2/18 06:50	72.4	↓-1.2
2/18 07:00	71.2	↓-1.2
2/18 07:10	70.0	↓-1.2
2/18 07:20	68.6	↓-1.4
2/18 07:30	67.3	↓-1.3
2/18 07:40	65.8	↓-1.5
2/18 07:50	64.4	↓-1.4
2/18 08:00	62.9	↓-1.5
2/18 08:10	61.4	↓-1.5
2/18 08:20	60.0	↓-1.4
2/18 08:30	58.5	↓-1.5
2/18 08:40	57.1	↓-1.4
2/18 08:50	55.7	↓-1.4
2/18 09:00	54.4	↓-1.3
2/18 09:10	53.1	↓-1.3
2/18 09:20	51.9	↓-1.2
2/18 09:30	50.8	↓-1.1
2/18 09:40	49.7	↓-1.1
2/18 09:50	48.8	↓-0.9
2/18 10:00	47.9	↓-0.9
2/18 10:10	47.2	↓-0.7
2/18 10:20	46.6	↓-0.6
2/18 10:30	46.1	↓-0.5
2/18 10:40	45.8	↓-0.3
2/18 10:50	45.6	↓-0.2
2/18 11:00	45.5	↓-0.1	干潮
2/18 11:10	45.5	0
2/18 11:20	45.7	↑0.2
2/18 11:30	46.0	↑0.3
2/18 11:40	46.5	↑0.5
2/18 11:50	47.1	↑0.6
2/18 12:00	47.8	↑0.7
2/18 12:10	48.6	↑0.8
2/18 12:20	49.6	↑1.0
2/18 12:30	50.6	↑1.0
2/18 12:40	51.8	↑1.2
2/18 12:50	53.1	↑1.3
2/18 13:00	54.5	↑1.4
2/18 13:10	55.9	↑1.4
2/18 13:20	57.5	↑1.6
2/18 13:30	59.0	↑1.5
2/18 13:40	60.7	↑1.7
2/18 13:50	62.4	↑1.7
2/18 14:00	64.1	↑1.7
2/18 14:10	65.8	↑1.7
2/18 14:20	67.5	↑1.7
2/18 14:30	69.2	↑1.7
2/18 14:40	70.9	↑1.7
2/18 14:50	72.6	↑1.7
2/18 15:00	74.2	↑1.6
2/18 15:10	75.7	↑1.5
2/18 15:20	77.2	↑1.5
2/18 15:30	78.6	↑1.4
2/18 15:40	79.8	↑1.2
2/18 15:50	81.0	↑1.2
2/18 16:00	82.1	↑1.1
2/18 16:10	83.0	↑0.9
2/18 16:20	83.9	↑0.9
2/18 16:30	84.5	↑0.6
2/18 16:40	85.0	↑0.5
2/18 16:50	85.4	↑0.4
2/18 17:00	85.6	↑0.2	満潮
2/18 17:10	85.7	↑0.1
2/18 17:20	85.5	↓-0.2
2/18 17:30	85.2	↓-0.3
2/18 17:40	84.8	↓-0.4
2/18 17:50	84.1	↓-0.7
2/18 18:00	83.3	↓-0.8
2/18 18:10	82.4	↓-0.9
2/18 18:20	81.2	↓-1.2
2/18 18:30	79.9	↓-1.3
2/18 18:40	78.5	↓-1.4
2/18 18:50	76.9	↓-1.6
2/18 19:00	75.2	↓-1.7
2/18 19:10	73.4	↓-1.8
2/18 19:20	71.4	↓-2.0
2/18 19:30	69.3	↓-2.1
2/18 19:40	67.2	↓-2.1
2/18 19:50	64.9	↓-2.3
2/18 20:00	62.6	↓-2.3
2/18 20:10	60.2	↓-2.4
2/18 20:20	57.8	↓-2.4
2/18 20:30	55.4	↓-2.4
2/18 20:40	52.9	↓-2.5	最大潮位差
2/18 20:50	50.5	↓-2.4
2/18 21:00	48.0	↓-2.5	最大潮位差
2/18 21:10	45.6	↓-2.4
2/18 21:20	43.3	↓-2.3
2/18 21:30	41.0	↓-2.3
2/18 21:40	38.7	↓-2.3
2/18 21:50	36.6	↓-2.1
2/18 22:00	34.6	↓-2.0
2/18 22:10	32.6	↓-2.0
2/18 22:20	30.8	↓-1.8
2/18 22:30	29.2	↓-1.6
2/18 22:40	27.7	↓-1.5
2/18 22:50	26.4	↓-1.3
2/18 23:00	25.2	↓-1.2
2/18 23:10	24.2	↓-1.0
2/18 23:20	23.4	↓-0.8
2/18 23:30	22.8	↓-0.6
2/18 23:40	22.4	↓-0.4
2/18 23:50	22.1	↓-0.3	干潮