14 (日)	04:43	09:36	14:54	22:11
	124cm	85cm	131cm	-4cm
大潮 出 06:41 入 16:25 出 06:09 入 16:24

那珂湊（茨城）2031年12月14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
12/14 00:00	37.3	↑4.1
12/14 00:10	41.5	↑4.2
12/14 00:20	45.7	↑4.2
12/14 00:30	50.1	↑4.4
12/14 00:40	54.5	↑4.4
12/14 00:50	58.9	↑4.4
12/14 01:00	63.4	↑4.5
12/14 01:10	67.8	↑4.4
12/14 01:20	72.2	↑4.4
12/14 01:30	76.5	↑4.3
12/14 01:40	80.7	↑4.2
12/14 01:50	84.9	↑4.2
12/14 02:00	88.9	↑4.0
12/14 02:10	92.7	↑3.8
12/14 02:20	96.4	↑3.7
12/14 02:30	99.9	↑3.5
12/14 02:40	103.2	↑3.3
12/14 02:50	106.3	↑3.1
12/14 03:00	109.1	↑2.8
12/14 03:10	111.7	↑2.6
12/14 03:20	114.1	↑2.4
12/14 03:30	116.1	↑2.0
12/14 03:40	118.0	↑1.9
12/14 03:50	119.5	↑1.5
12/14 04:00	120.8	↑1.3
12/14 04:10	121.8	↑1.0
12/14 04:20	122.5	↑0.7
12/14 04:30	123.0	↑0.5
12/14 04:40	123.2	↑0.2	満潮
12/14 04:50	123.1	↓-0.1
12/14 05:00	122.8	↓-0.3
12/14 05:10	122.2	↓-0.6
12/14 05:20	121.4	↓-0.8
12/14 05:30	120.4	↓-1.0
12/14 05:40	119.2	↓-1.2
12/14 05:50	117.9	↓-1.3
12/14 06:00	116.3	↓-1.6
12/14 06:10	114.7	↓-1.6
12/14 06:20	112.9	↓-1.8
12/14 06:30	111.0	↓-1.9
12/14 06:40	109.0	↓-2.0
12/14 06:50	107.0	↓-2.0
12/14 07:00	105.0	↓-2.0
12/14 07:10	102.9	↓-2.1
12/14 07:20	100.9	↓-2.0
12/14 07:30	98.9	↓-2.0
12/14 07:40	96.9	↓-2.0
12/14 07:50	95.1	↓-1.8
12/14 08:00	93.3	↓-1.8
12/14 08:10	91.7	↓-1.6
12/14 08:20	90.2	↓-1.5
12/14 08:30	88.8	↓-1.4
12/14 08:40	87.7	↓-1.1
12/14 08:50	86.7	↓-1.0
12/14 09:00	85.9	↓-0.8
12/14 09:10	85.2	↓-0.7
12/14 09:20	84.8	↓-0.4
12/14 09:30	84.6	↓-0.2	干潮
12/14 09:40	84.6	0
12/14 09:50	84.8	↑0.2
12/14 10:00	85.3	↑0.5
12/14 10:10	85.9	↑0.6
12/14 10:20	86.7	↑0.8
12/14 10:30	87.7	↑1.0
12/14 10:40	88.9	↑1.2
12/14 10:50	90.3	↑1.4
12/14 11:00	91.8	↑1.5
12/14 11:10	93.5	↑1.7
12/14 11:20	95.3	↑1.8
12/14 11:30	97.3	↑2.0
12/14 11:40	99.3	↑2.0
12/14 11:50	101.4	↑2.1
12/14 12:00	103.5	↑2.1
12/14 12:10	105.7	↑2.2
12/14 12:20	108.0	↑2.3
12/14 12:30	110.2	↑2.2
12/14 12:40	112.4	↑2.2
12/14 12:50	114.5	↑2.1
12/14 13:00	116.6	↑2.1
12/14 13:10	118.7	↑2.1
12/14 13:20	120.6	↑1.9
12/14 13:30	122.4	↑1.8
12/14 13:40	124.0	↑1.6
12/14 13:50	125.5	↑1.5
12/14 14:00	126.9	↑1.4
12/14 14:10	128.0	↑1.1
12/14 14:20	128.9	↑0.9
12/14 14:30	129.6	↑0.7
12/14 14:40	130.1	↑0.5
12/14 14:50	130.3	↑0.2	満潮
12/14 15:00	130.3	0
12/14 15:10	129.9	↓-0.4
12/14 15:20	129.3	↓-0.6
12/14 15:30	128.4	↓-0.9
12/14 15:40	127.3	↓-1.1
12/14 15:50	125.8	↓-1.5
12/14 16:00	124.0	↓-1.8
12/14 16:10	122.0	↓-2.0
12/14 16:20	119.6	↓-2.4
12/14 16:30	117.0	↓-2.6
12/14 16:40	114.1	↓-2.9
12/14 16:50	110.9	↓-3.2
12/14 17:00	107.5	↓-3.4
12/14 17:10	103.8	↓-3.7
12/14 17:20	99.9	↓-3.9
12/14 17:30	95.8	↓-4.1
12/14 17:40	91.5	↓-4.3
12/14 17:50	87.1	↓-4.4
12/14 18:00	82.4	↓-4.7
12/14 18:10	77.7	↓-4.7
12/14 18:20	72.9	↓-4.8
12/14 18:30	68.0	↓-4.9
12/14 18:40	63.0	↓-5.0	最大潮位差
12/14 18:50	58.0	↓-5.0	最大潮位差
12/14 19:00	53.1	↓-4.9
12/14 19:10	48.2	↓-4.9
12/14 19:20	43.3	↓-4.9
12/14 19:30	38.6	↓-4.7
12/14 19:40	34.0	↓-4.6
12/14 19:50	29.5	↓-4.5
12/14 20:00	25.3	↓-4.2
12/14 20:10	21.2	↓-4.1
12/14 20:20	17.4	↓-3.8
12/14 20:30	13.8	↓-3.6
12/14 20:40	10.5	↓-3.3
12/14 20:50	7.5	↓-3.0
12/14 21:00	4.9	↓-2.6
12/14 21:10	2.5	↓-2.4
12/14 21:20	0.5	↓-2.0
12/14 21:30	-1.2	↓-1.7
12/14 21:40	-2.5	↓-1.3
12/14 21:50	-3.4	↓-0.9
12/14 22:00	-3.9	↓-0.5
12/14 22:10	-4.1	↓-0.2	干潮
12/14 22:20	-3.9	↑0.2
12/14 22:30	-3.4	↑0.5
12/14 22:40	-2.4	↑1.0
12/14 22:50	-1.1	↑1.3
12/14 23:00	0.5	↑1.6
12/14 23:10	2.4	↑1.9
12/14 23:20	4.7	↑2.3
12/14 23:30	7.3	↑2.6
12/14 23:40	10.2	↑2.9
12/14 23:50	13.3	↑3.1