12 (金)	04:57	11:13	17:16	23:35
	93cm	46cm	92cm	33cm
長潮 出 05:56 入 18:53 出 12:41 入 01:50

大河内湾（長崎）2030年04月12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
4/12 00:00	47.8	↑1.5
4/12 00:10	49.4	↑1.6
4/12 00:20	51.1	↑1.7
4/12 00:30	52.9	↑1.8
4/12 00:40	54.7	↑1.8
4/12 00:50	56.6	↑1.9
4/12 01:00	58.6	↑2.0
4/12 01:10	60.6	↑2.0
4/12 01:20	62.7	↑2.1
4/12 01:30	64.7	↑2.0
4/12 01:40	66.8	↑2.1
4/12 01:50	68.9	↑2.1
4/12 02:00	70.9	↑2.0
4/12 02:10	73.0	↑2.1
4/12 02:20	74.9	↑1.9
4/12 02:30	76.9	↑2.0
4/12 02:40	78.7	↑1.8
4/12 02:50	80.5	↑1.8
4/12 03:00	82.2	↑1.7
4/12 03:10	83.8	↑1.6
4/12 03:20	85.3	↑1.5
4/12 03:30	86.7	↑1.4
4/12 03:40	87.9	↑1.2
4/12 03:50	89.0	↑1.1
4/12 04:00	90.0	↑1.0
4/12 04:10	90.8	↑0.8
4/12 04:20	91.4	↑0.6
4/12 04:30	91.9	↑0.5
4/12 04:40	92.3	↑0.4
4/12 04:50	92.5	↑0.2	満潮
4/12 05:00	92.5	0
4/12 05:10	92.3	↓-0.2
4/12 05:20	92.0	↓-0.3
4/12 05:30	91.6	↓-0.4
4/12 05:40	90.9	↓-0.7
4/12 05:50	90.2	↓-0.7
4/12 06:00	89.2	↓-1.0
4/12 06:10	88.2	↓-1.0
4/12 06:20	87.0	↓-1.2
4/12 06:30	85.6	↓-1.4
4/12 06:40	84.2	↓-1.4
4/12 06:50	82.7	↓-1.5
4/12 07:00	81.0	↓-1.7
4/12 07:10	79.3	↓-1.7
4/12 07:20	77.5	↓-1.8
4/12 07:30	75.6	↓-1.9
4/12 07:40	73.7	↓-1.9
4/12 07:50	71.8	↓-1.9
4/12 08:00	69.8	↓-2.0
4/12 08:10	67.9	↓-1.9
4/12 08:20	65.9	↓-2.0
4/12 08:30	64.0	↓-1.9
4/12 08:40	62.1	↓-1.9
4/12 08:50	60.2	↓-1.9
4/12 09:00	58.4	↓-1.8
4/12 09:10	56.7	↓-1.7
4/12 09:20	55.0	↓-1.7
4/12 09:30	53.5	↓-1.5
4/12 09:40	52.0	↓-1.5
4/12 09:50	50.7	↓-1.3
4/12 10:00	49.5	↓-1.2
4/12 10:10	48.5	↓-1.0
4/12 10:20	47.5	↓-1.0
4/12 10:30	46.8	↓-0.7
4/12 10:40	46.2	↓-0.6
4/12 10:50	45.7	↓-0.5
4/12 11:00	45.4	↓-0.3
4/12 11:10	45.3	↓-0.1	干潮
4/12 11:20	45.4	↑0.1
4/12 11:30	45.6	↑0.2
4/12 11:40	45.9	↑0.3
4/12 11:50	46.5	↑0.6
4/12 12:00	47.2	↑0.7
4/12 12:10	48.1	↑0.9
4/12 12:20	49.1	↑1.0
4/12 12:30	50.2	↑1.1
4/12 12:40	51.5	↑1.3
4/12 12:50	52.9	↑1.4
4/12 13:00	54.4	↑1.5
4/12 13:10	56.1	↑1.7
4/12 13:20	57.8	↑1.7
4/12 13:30	59.6	↑1.8
4/12 13:40	61.5	↑1.9
4/12 13:50	63.4	↑1.9
4/12 14:00	65.4	↑2.0
4/12 14:10	67.4	↑2.0
4/12 14:20	69.4	↑2.0
4/12 14:30	71.4	↑2.0
4/12 14:40	73.4	↑2.0
4/12 14:50	75.3	↑1.9
4/12 15:00	77.2	↑1.9
4/12 15:10	79.1	↑1.9
4/12 15:20	80.8	↑1.7
4/12 15:30	82.5	↑1.7
4/12 15:40	84.1	↑1.6
4/12 15:50	85.5	↑1.4
4/12 16:00	86.9	↑1.4
4/12 16:10	88.0	↑1.1
4/12 16:20	89.1	↑1.1
4/12 16:30	90.0	↑0.9
4/12 16:40	90.7	↑0.7
4/12 16:50	91.2	↑0.5
4/12 17:00	91.6	↑0.4
4/12 17:10	91.8	↑0.2	満潮
4/12 17:20	91.7	↓-0.1
4/12 17:30	91.5	↓-0.2
4/12 17:40	91.2	↓-0.3
4/12 17:50	90.6	↓-0.6
4/12 18:00	89.8	↓-0.8
4/12 18:10	88.9	↓-0.9
4/12 18:20	87.8	↓-1.1
4/12 18:30	86.5	↓-1.3
4/12 18:40	85.0	↓-1.5
4/12 18:50	83.4	↓-1.6
4/12 19:00	81.7	↓-1.7
4/12 19:10	79.8	↓-1.9
4/12 19:20	77.8	↓-2.0
4/12 19:30	75.7	↓-2.1
4/12 19:40	73.4	↓-2.3
4/12 19:50	71.1	↓-2.3
4/12 20:00	68.8	↓-2.3
4/12 20:10	66.4	↓-2.4
4/12 20:20	63.9	↓-2.5	最大潮位差
4/12 20:30	61.4	↓-2.5	最大潮位差
4/12 20:40	59.0	↓-2.4
4/12 20:50	56.5	↓-2.5	最大潮位差
4/12 21:00	54.1	↓-2.4
4/12 21:10	51.7	↓-2.4
4/12 21:20	49.4	↓-2.3
4/12 21:30	47.2	↓-2.2
4/12 21:40	45.1	↓-2.1
4/12 21:50	43.1	↓-2.0
4/12 22:00	41.3	↓-1.8
4/12 22:10	39.5	↓-1.8
4/12 22:20	38.0	↓-1.5
4/12 22:30	36.6	↓-1.4
4/12 22:40	35.4	↓-1.2
4/12 22:50	34.3	↓-1.1
4/12 23:00	33.5	↓-0.8
4/12 23:10	32.9	↓-0.6
4/12 23:20	32.5	↓-0.4
4/12 23:30	32.3	↓-0.2	干潮
4/12 23:40	32.3	0
4/12 23:50	32.6	↑0.3