11 (木)	01:53	06:51	12:44	20:00
	102cm	76cm	124cm	23cm
中潮 出 06:39 入 16:24 出 02:55 入 13:50

那珂湊（茨城）2031年12月11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
12/11 00:00	91.2	↑1.9
12/11 00:10	93.0	↑1.8
12/11 00:20	94.7	↑1.7
12/11 00:30	96.2	↑1.5
12/11 00:40	97.5	↑1.3
12/11 00:50	98.6	↑1.1
12/11 01:00	99.6	↑1.0
12/11 01:10	100.4	↑0.8
12/11 01:20	101.0	↑0.6
12/11 01:30	101.5	↑0.5
12/11 01:40	101.8	↑0.3
12/11 01:50	101.9	↑0.1	満潮
12/11 02:00	101.8	↓-0.1
12/11 02:10	101.6	↓-0.2
12/11 02:20	101.2	↓-0.4
12/11 02:30	100.7	↓-0.5
12/11 02:40	100.1	↓-0.6
12/11 02:50	99.3	↓-0.8
12/11 03:00	98.4	↓-0.9
12/11 03:10	97.4	↓-1.0
12/11 03:20	96.3	↓-1.1
12/11 03:30	95.1	↓-1.2
12/11 03:40	93.9	↓-1.2
12/11 03:50	92.6	↓-1.3
12/11 04:00	91.3	↓-1.3
12/11 04:10	89.9	↓-1.4
12/11 04:20	88.5	↓-1.4
12/11 04:30	87.1	↓-1.4
12/11 04:40	85.8	↓-1.3
12/11 04:50	84.4	↓-1.4
12/11 05:00	83.1	↓-1.3
12/11 05:10	81.9	↓-1.2
12/11 05:20	80.7	↓-1.2
12/11 05:30	79.6	↓-1.1
12/11 05:40	78.6	↓-1.0
12/11 05:50	77.7	↓-0.9
12/11 06:00	76.9	↓-0.8
12/11 06:10	76.3	↓-0.6
12/11 06:20	75.8	↓-0.5
12/11 06:30	75.4	↓-0.4
12/11 06:40	75.1	↓-0.3
12/11 06:50	75.1	0	干潮
12/11 07:00	75.1	0
12/11 07:10	75.4	↑0.3
12/11 07:20	75.8	↑0.4
12/11 07:30	76.3	↑0.5
12/11 07:40	77.1	↑0.8
12/11 07:50	78.0	↑0.9
12/11 08:00	79.0	↑1.0
12/11 08:10	80.2	↑1.2
12/11 08:20	81.5	↑1.3
12/11 08:30	83.0	↑1.5
12/11 08:40	84.6	↑1.6
12/11 08:50	86.4	↑1.8
12/11 09:00	88.2	↑1.8
12/11 09:10	90.1	↑1.9
12/11 09:20	92.1	↑2.0
12/11 09:30	94.2	↑2.1
12/11 09:40	96.3	↑2.1
12/11 09:50	98.4	↑2.1
12/11 10:00	100.6	↑2.2
12/11 10:10	102.7	↑2.1
12/11 10:20	104.8	↑2.1
12/11 10:30	106.9	↑2.1
12/11 10:40	109.0	↑2.1
12/11 10:50	110.9	↑1.9
12/11 11:00	112.8	↑1.9
12/11 11:10	114.6	↑1.8
12/11 11:20	116.2	↑1.6
12/11 11:30	117.7	↑1.5
12/11 11:40	119.0	↑1.3
12/11 11:50	120.2	↑1.2
12/11 12:00	121.2	↑1.0
12/11 12:10	122.0	↑0.8
12/11 12:20	122.6	↑0.6
12/11 12:30	123.0	↑0.4
12/11 12:40	123.2	↑0.2	満潮
12/11 12:50	123.1	↓-0.1
12/11 13:00	122.8	↓-0.3
12/11 13:10	122.3	↓-0.5
12/11 13:20	121.6	↓-0.7
12/11 13:30	120.6	↓-1.0
12/11 13:40	119.4	↓-1.2
12/11 13:50	117.9	↓-1.5
12/11 14:00	116.2	↓-1.7
12/11 14:10	114.3	↓-1.9
12/11 14:20	112.2	↓-2.1
12/11 14:30	109.9	↓-2.3
12/11 14:40	107.4	↓-2.5
12/11 14:50	104.7	↓-2.7
12/11 15:00	101.9	↓-2.8
12/11 15:10	98.9	↓-3.0
12/11 15:20	95.7	↓-3.2
12/11 15:30	92.4	↓-3.3
12/11 15:40	89.0	↓-3.4
12/11 15:50	85.6	↓-3.4
12/11 16:00	82.0	↓-3.6
12/11 16:10	78.4	↓-3.6
12/11 16:20	74.7	↓-3.7	最大潮位差
12/11 16:30	71.1	↓-3.6
12/11 16:40	67.4	↓-3.7	最大潮位差
12/11 16:50	63.7	↓-3.7	最大潮位差
12/11 17:00	60.1	↓-3.6
12/11 17:10	56.6	↓-3.5
12/11 17:20	53.1	↓-3.5
12/11 17:30	49.8	↓-3.3
12/11 17:40	46.5	↓-3.3
12/11 17:50	43.4	↓-3.1
12/11 18:00	40.5	↓-2.9
12/11 18:10	37.7	↓-2.8
12/11 18:20	35.1	↓-2.6
12/11 18:30	32.7	↓-2.4
12/11 18:40	30.5	↓-2.2
12/11 18:50	28.6	↓-1.9
12/11 19:00	26.9	↓-1.7
12/11 19:10	25.5	↓-1.4
12/11 19:20	24.3	↓-1.2
12/11 19:30	23.3	↓-1.0
12/11 19:40	22.7	↓-0.6
12/11 19:50	22.3	↓-0.4	干潮
12/11 20:00	22.2	↓-0.1	干潮
12/11 20:10	22.4	↑0.2
12/11 20:20	22.8	↑0.4
12/11 20:30	23.5	↑0.7
12/11 20:40	24.5	↑1.0
12/11 20:50	25.8	↑1.3
12/11 21:00	27.2	↑1.4
12/11 21:10	29.0	↑1.8
12/11 21:20	30.9	↑1.9
12/11 21:30	33.1	↑2.2
12/11 21:40	35.5	↑2.4
12/11 21:50	38.0	↑2.5
12/11 22:00	40.7	↑2.7
12/11 22:10	43.6	↑2.9
12/11 22:20	46.6	↑3.0
12/11 22:30	49.7	↑3.1
12/11 22:40	52.9	↑3.2
12/11 22:50	56.2	↑3.3
12/11 23:00	59.5	↑3.3
12/11 23:10	62.8	↑3.3
12/11 23:20	66.2	↑3.4
12/11 23:30	69.5	↑3.3
12/11 23:40	72.9	↑3.4
12/11 23:50	76.1	↑3.2