31 (金)	07:21	00:36	19:10	13:04
	134cm	10cm	134cm	39cm
中潮 出 07:29 入 17:24 出 04:25 入 14:49

伊奈（長崎）2021年12月31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
12/31 00:00	12.3	↓-1.7
12/31 00:10	11.1	↓-1.2
12/31 00:20	10.3	↓-0.8
12/31 00:30	9.9	↓-0.4	干潮
12/31 00:40	9.9	0
12/31 00:50	10.3	↑0.4
12/31 01:00	11.1	↑0.8
12/31 01:10	12.2	↑1.1
12/31 01:20	13.8	↑1.6
12/31 01:30	15.7	↑1.9
12/31 01:40	18.0	↑2.3
12/31 01:50	20.6	↑2.6
12/31 02:00	23.4	↑2.8
12/31 02:10	26.6	↑3.2
12/31 02:20	30.1	↑3.5
12/31 02:30	33.7	↑3.6
12/31 02:40	37.6	↑3.9
12/31 02:50	41.7	↑4.1
12/31 03:00	46.0	↑4.3
12/31 03:10	50.4	↑4.4
12/31 03:20	54.9	↑4.5
12/31 03:30	59.5	↑4.6
12/31 03:40	64.2	↑4.7
12/31 03:50	68.9	↑4.7
12/31 04:00	73.6	↑4.7
12/31 04:10	78.3	↑4.7
12/31 04:20	83.0	↑4.7
12/31 04:30	87.6	↑4.6
12/31 04:40	92.1	↑4.5
12/31 04:50	96.5	↑4.4
12/31 05:00	100.7	↑4.2
12/31 05:10	104.8	↑4.1
12/31 05:20	108.8	↑4.0
12/31 05:30	112.5	↑3.7
12/31 05:40	115.9	↑3.4
12/31 05:50	119.2	↑3.3
12/31 06:00	122.1	↑2.9
12/31 06:10	124.8	↑2.7
12/31 06:20	127.1	↑2.3
12/31 06:30	129.1	↑2.0
12/31 06:40	130.8	↑1.7
12/31 06:50	132.1	↑1.3
12/31 07:00	133.1	↑1.0
12/31 07:10	133.6	↑0.5
12/31 07:20	133.8	↑0.2	満潮
12/31 07:30	133.6	↓-0.2
12/31 07:40	133.0	↓-0.6
12/31 07:50	132.0	↓-1.0
12/31 08:00	130.7	↓-1.3
12/31 08:10	128.9	↓-1.8
12/31 08:20	126.8	↓-2.1
12/31 08:30	124.4	↓-2.4
12/31 08:40	121.6	↓-2.8
12/31 08:50	118.5	↓-3.1
12/31 09:00	115.2	↓-3.3
12/31 09:10	111.6	↓-3.6
12/31 09:20	107.8	↓-3.8
12/31 09:30	103.8	↓-4.0
12/31 09:40	99.6	↓-4.2
12/31 09:50	95.3	↓-4.3
12/31 10:00	90.9	↓-4.4
12/31 10:10	86.5	↓-4.4
12/31 10:20	82.1	↓-4.4
12/31 10:30	77.8	↓-4.3
12/31 10:40	73.5	↓-4.3
12/31 10:50	69.3	↓-4.2
12/31 11:00	65.3	↓-4.0
12/31 11:10	61.4	↓-3.9
12/31 11:20	57.8	↓-3.6
12/31 11:30	54.4	↓-3.4
12/31 11:40	51.3	↓-3.1
12/31 11:50	48.5	↓-2.8
12/31 12:00	46.0	↓-2.5
12/31 12:10	43.8	↓-2.2
12/31 12:20	42.0	↓-1.8
12/31 12:30	40.6	↓-1.4
12/31 12:40	39.5	↓-1.1
12/31 12:50	38.8	↓-0.7
12/31 13:00	38.5	↓-0.3	干潮
12/31 13:10	38.6	↑0.1
12/31 13:20	39.0	↑0.4
12/31 13:30	39.8	↑0.8
12/31 13:40	40.9	↑1.1
12/31 13:50	42.4	↑1.5
12/31 14:00	44.2	↑1.8
12/31 14:10	46.3	↑2.1
12/31 14:20	48.7	↑2.4
12/31 14:30	51.4	↑2.7
12/31 14:40	54.2	↑2.8
12/31 14:50	57.4	↑3.2
12/31 15:00	60.7	↑3.3
12/31 15:10	64.2	↑3.5
12/31 15:20	67.8	↑3.6
12/31 15:30	71.5	↑3.7
12/31 15:40	75.4	↑3.9
12/31 15:50	79.3	↑3.9
12/31 16:00	83.2	↑3.9
12/31 16:10	87.2	↑4.0
12/31 16:20	91.2	↑4.0
12/31 16:30	95.1	↑3.9
12/31 16:40	99.0	↑3.9
12/31 16:50	102.8	↑3.8
12/31 17:00	106.5	↑3.7
12/31 17:10	110.0	↑3.5
12/31 17:20	113.4	↑3.4
12/31 17:30	116.6	↑3.2
12/31 17:40	119.6	↑3.0
12/31 17:50	122.4	↑2.8
12/31 18:00	124.9	↑2.5
12/31 18:10	127.1	↑2.2
12/31 18:20	129.1	↑2.0
12/31 18:30	130.7	↑1.6
12/31 18:40	131.9	↑1.2
12/31 18:50	132.8	↑0.9
12/31 19:00	133.4	↑0.6	満潮
12/31 19:10	133.5	↑0.1	満潮
12/31 19:20	133.3	↓-0.2
12/31 19:30	132.6	↓-0.7
12/31 19:40	131.6	↓-1.0
12/31 19:50	130.1	↓-1.5
12/31 20:00	128.2	↓-1.9
12/31 20:10	125.9	↓-2.3
12/31 20:20	123.1	↓-2.8
12/31 20:30	120.0	↓-3.1
12/31 20:40	116.5	↓-3.5
12/31 20:50	112.7	↓-3.8
12/31 21:00	108.5	↓-4.2
12/31 21:10	104.0	↓-4.5
12/31 21:20	99.2	↓-4.8
12/31 21:30	94.1	↓-5.1
12/31 21:40	88.9	↓-5.2
12/31 21:50	83.4	↓-5.5
12/31 22:00	77.8	↓-5.6
12/31 22:10	72.1	↓-5.7
12/31 22:20	66.3	↓-5.8	最大潮位差
12/31 22:30	60.6	↓-5.7
12/31 22:40	54.8	↓-5.8	最大潮位差
12/31 22:50	49.1	↓-5.7
12/31 23:00	43.6	↓-5.5
12/31 23:10	38.2	↓-5.4
12/31 23:20	33.0	↓-5.2
12/31 23:30	28.0	↓-5.0
12/31 23:40	23.3	↓-4.7
12/31 23:50	19.0	↓-4.3