20 (火)	05:38	11:55	18:02	-
	104cm	36cm	104cm	-
若潮 出 05:45 入 18:59 出 14:06 入 02:28

大河内湾（長崎）2032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	39.0	↑1.0
4/20 00:10	40.1	↑1.1
4/20 00:20	41.4	↑1.3
4/20 00:30	42.9	↑1.5
4/20 00:40	44.6	↑1.7
4/20 00:50	46.5	↑1.9
4/20 01:00	48.5	↑2.0
4/20 01:10	50.6	↑2.1
4/20 01:20	52.9	↑2.3
4/20 01:30	55.3	↑2.4
4/20 01:40	57.8	↑2.5
4/20 01:50	60.3	↑2.5
4/20 02:00	63.0	↑2.7
4/20 02:10	65.7	↑2.7
4/20 02:20	68.4	↑2.7
4/20 02:30	71.1	↑2.7
4/20 02:40	73.8	↑2.7
4/20 02:50	76.5	↑2.7
4/20 03:00	79.2	↑2.7
4/20 03:10	81.8	↑2.6
4/20 03:20	84.3	↑2.5
4/20 03:30	86.8	↑2.5
4/20 03:40	89.1	↑2.3
4/20 03:50	91.3	↑2.2
4/20 04:00	93.4	↑2.1
4/20 04:10	95.3	↑1.9
4/20 04:20	97.0	↑1.7
4/20 04:30	98.6	↑1.6
4/20 04:40	99.9	↑1.3
4/20 04:50	101.1	↑1.2
4/20 05:00	102.0	↑0.9
4/20 05:10	102.8	↑0.8
4/20 05:20	103.3	↑0.5
4/20 05:30	103.6	↑0.3	満潮
4/20 05:40	103.6	0
4/20 05:50	103.4	↓-0.2
4/20 06:00	103.0	↓-0.4
4/20 06:10	102.4	↓-0.6
4/20 06:20	101.5	↓-0.9
4/20 06:30	100.5	↓-1.0
4/20 06:40	99.2	↓-1.3
4/20 06:50	97.7	↓-1.5
4/20 07:00	96.0	↓-1.7
4/20 07:10	94.2	↓-1.8
4/20 07:20	92.1	↓-2.1
4/20 07:30	89.9	↓-2.2
4/20 07:40	87.6	↓-2.3
4/20 07:50	85.2	↓-2.4
4/20 08:00	82.6	↓-2.6
4/20 08:10	79.9	↓-2.7
4/20 08:20	77.2	↓-2.7
4/20 08:30	74.4	↓-2.8
4/20 08:40	71.6	↓-2.8
4/20 08:50	68.8	↓-2.8
4/20 09:00	66.0	↓-2.8
4/20 09:10	63.1	↓-2.9
4/20 09:20	60.4	↓-2.7
4/20 09:30	57.7	↓-2.7
4/20 09:40	55.1	↓-2.6
4/20 09:50	52.6	↓-2.5
4/20 10:00	50.2	↓-2.4
4/20 10:10	47.9	↓-2.3
4/20 10:20	45.8	↓-2.1
4/20 10:30	43.9	↓-1.9
4/20 10:40	42.1	↓-1.8
4/20 10:50	40.5	↓-1.6
4/20 11:00	39.2	↓-1.3
4/20 11:10	38.0	↓-1.2
4/20 11:20	37.1	↓-0.9
4/20 11:30	36.4	↓-0.7
4/20 11:40	35.9	↓-0.5
4/20 11:50	35.7	↓-0.2	干潮
4/20 12:00	35.7	0
4/20 12:10	36.0	↑0.3
4/20 12:20	36.5	↑0.5
4/20 12:30	37.2	↑0.7
4/20 12:40	38.2	↑1.0
4/20 12:50	39.4	↑1.2
4/20 13:00	40.8	↑1.4
4/20 13:10	42.4	↑1.6
4/20 13:20	44.2	↑1.8
4/20 13:30	46.2	↑2.0
4/20 13:40	48.4	↑2.2
4/20 13:50	50.7	↑2.3
4/20 14:00	53.2	↑2.5
4/20 14:10	55.7	↑2.5
4/20 14:20	58.4	↑2.7
4/20 14:30	61.2	↑2.8
4/20 14:40	64.0	↑2.8
4/20 14:50	66.9	↑2.9
4/20 15:00	69.8	↑2.9
4/20 15:10	72.6	↑2.8
4/20 15:20	75.5	↑2.9
4/20 15:30	78.3	↑2.8
4/20 15:40	81.1	↑2.8
4/20 15:50	83.8	↑2.7
4/20 16:00	86.3	↑2.5
4/20 16:10	88.8	↑2.5
4/20 16:20	91.1	↑2.3
4/20 16:30	93.3	↑2.2
4/20 16:40	95.2	↑1.9
4/20 16:50	97.0	↑1.8
4/20 17:00	98.6	↑1.6
4/20 17:10	100.0	↑1.4
4/20 17:20	101.1	↑1.1
4/20 17:30	102.0	↑0.9
4/20 17:40	102.7	↑0.7
4/20 17:50	103.1	↑0.4
4/20 18:00	103.2	↑0.1	満潮
4/20 18:10	103.1	↓-0.1
4/20 18:20	102.7	↓-0.4
4/20 18:30	102.1	↓-0.6
4/20 18:40	101.2	↓-0.9
4/20 18:50	100.1	↓-1.1
4/20 19:00	98.8	↓-1.3
4/20 19:10	97.2	↓-1.6
4/20 19:20	95.4	↓-1.8
4/20 19:30	93.3	↓-2.1
4/20 19:40	91.1	↓-2.2
4/20 19:50	88.7	↓-2.4
4/20 20:00	86.1	↓-2.6
4/20 20:10	83.4	↓-2.7
4/20 20:20	80.6	↓-2.8
4/20 20:30	77.6	↓-3.0
4/20 20:40	74.6	↓-3.0
4/20 20:50	71.5	↓-3.1
4/20 21:00	68.3	↓-3.2	最大潮位差
4/20 21:10	65.1	↓-3.2	最大潮位差
4/20 21:20	62.0	↓-3.1
4/20 21:30	58.8	↓-3.2	最大潮位差
4/20 21:40	55.7	↓-3.1
4/20 21:50	52.7	↓-3.0
4/20 22:00	49.7	↓-3.0
4/20 22:10	46.9	↓-2.8
4/20 22:20	44.2	↓-2.7
4/20 22:30	41.7	↓-2.5
4/20 22:40	39.3	↓-2.4
4/20 22:50	37.2	↓-2.1
4/20 23:00	35.2	↓-2.0
4/20 23:10	33.5	↓-1.7
4/20 23:20	32.0	↓-1.5
4/20 23:30	30.7	↓-1.3
4/20 23:40	29.8	↓-0.9
4/20 23:50	29.0	↓-0.8