18 (金)	02:26	08:15	14:29	21:41
	80cm	50cm	83cm	36cm
小潮 出 06:30 入 18:33 出 01:57 入 11:55

大河内湾（長崎）2039年03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
3/18 00:00	65.8	↑1.8	最大潮位差
3/18 00:10	67.5	↑1.7
3/18 00:20	69.2	↑1.7
3/18 00:30	70.7	↑1.5
3/18 00:40	72.2	↑1.5
3/18 00:50	73.5	↑1.3
3/18 01:00	74.7	↑1.2
3/18 01:10	75.8	↑1.1
3/18 01:20	76.7	↑0.9
3/18 01:30	77.6	↑0.9
3/18 01:40	78.3	↑0.7
3/18 01:50	78.8	↑0.5
3/18 02:00	79.2	↑0.4
3/18 02:10	79.5	↑0.3
3/18 02:20	79.6	↑0.1	満潮
3/18 02:30	79.6	0
3/18 02:40	79.5	↓-0.1
3/18 02:50	79.2	↓-0.3
3/18 03:00	78.8	↓-0.4
3/18 03:10	78.3	↓-0.5
3/18 03:20	77.7	↓-0.6
3/18 03:30	76.9	↓-0.8
3/18 03:40	76.1	↓-0.8
3/18 03:50	75.1	↓-1.0
3/18 04:00	74.1	↓-1.0
3/18 04:10	73.0	↓-1.1
3/18 04:20	71.9	↓-1.1
3/18 04:30	70.7	↓-1.2
3/18 04:40	69.4	↓-1.3
3/18 04:50	68.1	↓-1.3
3/18 05:00	66.8	↓-1.3
3/18 05:10	65.5	↓-1.3
3/18 05:20	64.1	↓-1.4
3/18 05:30	62.8	↓-1.3
3/18 05:40	61.5	↓-1.3
3/18 05:50	60.2	↓-1.3
3/18 06:00	59.0	↓-1.2
3/18 06:10	57.8	↓-1.2
3/18 06:20	56.6	↓-1.2
3/18 06:30	55.5	↓-1.1
3/18 06:40	54.5	↓-1.0
3/18 06:50	53.6	↓-0.9
3/18 07:00	52.7	↓-0.9
3/18 07:10	52.0	↓-0.7
3/18 07:20	51.3	↓-0.7
3/18 07:30	50.8	↓-0.5
3/18 07:40	50.4	↓-0.4
3/18 07:50	50.0	↓-0.4
3/18 08:00	49.8	↓-0.2
3/18 08:10	49.7	↓-0.1	干潮
3/18 08:20	49.7	0
3/18 08:30	49.8	↑0.1
3/18 08:40	50.1	↑0.3
3/18 08:50	50.4	↑0.3
3/18 09:00	50.9	↑0.5
3/18 09:10	51.4	↑0.5
3/18 09:20	52.1	↑0.7
3/18 09:30	52.8	↑0.7
3/18 09:40	53.7	↑0.9
3/18 09:50	54.6	↑0.9
3/18 10:00	55.6	↑1.0
3/18 10:10	56.7	↑1.1
3/18 10:20	57.9	↑1.2
3/18 10:30	59.1	↑1.2
3/18 10:40	60.3	↑1.2
3/18 10:50	61.6	↑1.3
3/18 11:00	63.0	↑1.4
3/18 11:10	64.3	↑1.3
3/18 11:20	65.7	↑1.4
3/18 11:30	67.0	↑1.3
3/18 11:40	68.4	↑1.4
3/18 11:50	69.7	↑1.3
3/18 12:00	71.0	↑1.3
3/18 12:10	72.3	↑1.3
3/18 12:20	73.5	↑1.2
3/18 12:30	74.7	↑1.2
3/18 12:40	75.9	↑1.2
3/18 12:50	76.9	↑1.0
3/18 13:00	77.9	↑1.0
3/18 13:10	78.8	↑0.9
3/18 13:20	79.6	↑0.8
3/18 13:30	80.3	↑0.7
3/18 13:40	80.9	↑0.6
3/18 13:50	81.4	↑0.5
3/18 14:00	81.8	↑0.4
3/18 14:10	82.0	↑0.2
3/18 14:20	82.2	↑0.2	満潮
3/18 14:30	82.2	0
3/18 14:40	82.1	↓-0.1
3/18 14:50	81.9	↓-0.2
3/18 15:00	81.6	↓-0.3
3/18 15:10	81.2	↓-0.4
3/18 15:20	80.6	↓-0.6
3/18 15:30	80.0	↓-0.6
3/18 15:40	79.2	↓-0.8
3/18 15:50	78.3	↓-0.9
3/18 16:00	77.3	↓-1.0
3/18 16:10	76.2	↓-1.1
3/18 16:20	75.0	↓-1.2
3/18 16:30	73.7	↓-1.3
3/18 16:40	72.3	↓-1.4
3/18 16:50	70.9	↓-1.4
3/18 17:00	69.4	↓-1.5
3/18 17:10	67.8	↓-1.6
3/18 17:20	66.2	↓-1.6
3/18 17:30	64.6	↓-1.6
3/18 17:40	62.9	↓-1.7
3/18 17:50	61.2	↓-1.7
3/18 18:00	59.5	↓-1.7
3/18 18:10	57.8	↓-1.7
3/18 18:20	56.0	↓-1.8	最大潮位差
3/18 18:30	54.3	↓-1.7
3/18 18:40	52.6	↓-1.7
3/18 18:50	51.0	↓-1.6
3/18 19:00	49.4	↓-1.6
3/18 19:10	47.8	↓-1.6
3/18 19:20	46.3	↓-1.5
3/18 19:30	44.9	↓-1.4
3/18 19:40	43.5	↓-1.4
3/18 19:50	42.2	↓-1.3
3/18 20:00	41.0	↓-1.2
3/18 20:10	39.9	↓-1.1
3/18 20:20	38.9	↓-1.0
3/18 20:30	38.0	↓-0.9
3/18 20:40	37.3	↓-0.7
3/18 20:50	36.6	↓-0.7
3/18 21:00	36.0	↓-0.6
3/18 21:10	35.6	↓-0.4
3/18 21:20	35.3	↓-0.3
3/18 21:30	35.1	↓-0.2
3/18 21:40	35.0	↓-0.1	干潮
3/18 21:50	35.1	↑0.1
3/18 22:00	35.3	↑0.2
3/18 22:10	35.6	↑0.3
3/18 22:20	36.0	↑0.4
3/18 22:30	36.6	↑0.6
3/18 22:40	37.2	↑0.6
3/18 22:50	38.0	↑0.8
3/18 23:00	38.9	↑0.9
3/18 23:10	39.8	↑0.9
3/18 23:20	40.9	↑1.1
3/18 23:30	42.1	↑1.2
3/18 23:40	43.3	↑1.2
3/18 23:50	44.6	↑1.3