20 (日)	01:55	07:46	13:19	20:27
	148cm	101cm	136cm	69cm
小潮 出 05:46 入 18:59 出 00:57 入 10:29

大山浦（長崎）2025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	132.8	↑2.7	最大潮位差
4/20 00:10	135.2	↑2.4
4/20 00:20	137.5	↑2.3
4/20 00:30	139.6	↑2.1
4/20 00:40	141.4	↑1.8
4/20 00:50	143.0	↑1.6
4/20 01:00	144.4	↑1.4
4/20 01:10	145.5	↑1.1
4/20 01:20	146.5	↑1.0
4/20 01:30	147.1	↑0.6
4/20 01:40	147.6	↑0.5
4/20 01:50	147.8	↑0.2	満潮
4/20 02:00	147.7	↓-0.1
4/20 02:10	147.5	↓-0.2
4/20 02:20	147.0	↓-0.5
4/20 02:30	146.3	↓-0.7
4/20 02:40	145.5	↓-0.8
4/20 02:50	144.4	↓-1.1
4/20 03:00	143.2	↓-1.2
4/20 03:10	141.8	↓-1.4
4/20 03:20	140.3	↓-1.5
4/20 03:30	138.6	↓-1.7
4/20 03:40	136.8	↓-1.8
4/20 03:50	134.9	↓-1.9
4/20 04:00	133.0	↓-1.9
4/20 04:10	131.0	↓-2.0
4/20 04:20	128.9	↓-2.1
4/20 04:30	126.8	↓-2.1
4/20 04:40	124.7	↓-2.1
4/20 04:50	122.5	↓-2.2
4/20 05:00	120.4	↓-2.1
4/20 05:10	118.4	↓-2.0
4/20 05:20	116.4	↓-2.0
4/20 05:30	114.4	↓-2.0
4/20 05:40	112.6	↓-1.8
4/20 05:50	110.8	↓-1.8
4/20 06:00	109.1	↓-1.7
4/20 06:10	107.6	↓-1.5
4/20 06:20	106.2	↓-1.4
4/20 06:30	104.9	↓-1.3
4/20 06:40	103.7	↓-1.2
4/20 06:50	102.7	↓-1.0
4/20 07:00	101.9	↓-0.8
4/20 07:10	101.3	↓-0.6
4/20 07:20	100.8	↓-0.5
4/20 07:30	100.4	↓-0.4
4/20 07:40	100.3	↓-0.1	干潮
4/20 07:50	100.3	0
4/20 08:00	100.4	↑0.1
4/20 08:10	100.7	↑0.3
4/20 08:20	101.2	↑0.5
4/20 08:30	101.9	↑0.7
4/20 08:40	102.6	↑0.7
4/20 08:50	103.6	↑1.0
4/20 09:00	104.6	↑1.0
4/20 09:10	105.8	↑1.2
4/20 09:20	107.0	↑1.2
4/20 09:30	108.4	↑1.4
4/20 09:40	109.8	↑1.4
4/20 09:50	111.4	↑1.6
4/20 10:00	112.9	↑1.5
4/20 10:10	114.5	↑1.6
4/20 10:20	116.2	↑1.7
4/20 10:30	117.9	↑1.7
4/20 10:40	119.5	↑1.6
4/20 10:50	121.2	↑1.7
4/20 11:00	122.8	↑1.6
4/20 11:10	124.4	↑1.6
4/20 11:20	125.9	↑1.5
4/20 11:30	127.4	↑1.5
4/20 11:40	128.8	↑1.4
4/20 11:50	130.1	↑1.3
4/20 12:00	131.3	↑1.2
4/20 12:10	132.3	↑1.0
4/20 12:20	133.3	↑1.0
4/20 12:30	134.1	↑0.8
4/20 12:40	134.8	↑0.7
4/20 12:50	135.3	↑0.5
4/20 13:00	135.7	↑0.4
4/20 13:10	135.9	↑0.2	満潮
4/20 13:20	135.9	0
4/20 13:30	135.8	↓-0.1
4/20 13:40	135.5	↓-0.3
4/20 13:50	135.1	↓-0.4
4/20 14:00	134.4	↓-0.7
4/20 14:10	133.6	↓-0.8
4/20 14:20	132.7	↓-0.9
4/20 14:30	131.5	↓-1.2
4/20 14:40	130.3	↓-1.2
4/20 14:50	128.8	↓-1.5
4/20 15:00	127.2	↓-1.6
4/20 15:10	125.5	↓-1.7
4/20 15:20	123.7	↓-1.8
4/20 15:30	121.7	↓-2.0
4/20 15:40	119.6	↓-2.1
4/20 15:50	117.4	↓-2.2
4/20 16:00	115.2	↓-2.2
4/20 16:10	112.8	↓-2.4
4/20 16:20	110.4	↓-2.4
4/20 16:30	108.0	↓-2.4
4/20 16:40	105.5	↓-2.5
4/20 16:50	103.0	↓-2.5
4/20 17:00	100.5	↓-2.5
4/20 17:10	98.0	↓-2.5
4/20 17:20	95.5	↓-2.5
4/20 17:30	93.1	↓-2.4
4/20 17:40	90.7	↓-2.4
4/20 17:50	88.3	↓-2.4
4/20 18:00	86.1	↓-2.2
4/20 18:10	83.9	↓-2.2
4/20 18:20	81.8	↓-2.1
4/20 18:30	79.9	↓-1.9
4/20 18:40	78.0	↓-1.9
4/20 18:50	76.3	↓-1.7
4/20 19:00	74.7	↓-1.6
4/20 19:10	73.3	↓-1.4
4/20 19:20	72.0	↓-1.3
4/20 19:30	70.9	↓-1.1
4/20 19:40	70.0	↓-0.9
4/20 19:50	69.3	↓-0.7
4/20 20:00	68.7	↓-0.6
4/20 20:10	68.3	↓-0.4
4/20 20:20	68.1	↓-0.2	干潮
4/20 20:30	68.1	0
4/20 20:40	68.3	↑0.2
4/20 20:50	68.6	↑0.3
4/20 21:00	69.2	↑0.6
4/20 21:10	69.9	↑0.7
4/20 21:20	70.8	↑0.9
4/20 21:30	71.9	↑1.1
4/20 21:40	73.2	↑1.3
4/20 21:50	74.6	↑1.4
4/20 22:00	76.1	↑1.5
4/20 22:10	77.8	↑1.7
4/20 22:20	79.7	↑1.9
4/20 22:30	81.6	↑1.9
4/20 22:40	83.7	↑2.1
4/20 22:50	85.9	↑2.2
4/20 23:00	88.2	↑2.3
4/20 23:10	90.5	↑2.3
4/20 23:20	93.0	↑2.5
4/20 23:30	95.5	↑2.5
4/20 23:40	98.0	↑2.5
4/20 23:50	100.6	↑2.6