1 (月)	06:13	11:04	16:20	23:32
	124cm	87cm	126cm	9cm
大潮 出 06:30 入 16:24 出 18:26 入 08:04

那珂湊（茨城）2031年12月1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
12/1 00:00	11.5	↑1.9
12/1 00:10	13.6	↑2.1
12/1 00:20	16.1	↑2.5
12/1 00:30	18.8	↑2.7
12/1 00:40	21.7	↑2.9
12/1 00:50	24.8	↑3.1
12/1 01:00	28.2	↑3.4
12/1 01:10	31.8	↑3.6
12/1 01:20	35.5	↑3.7
12/1 01:30	39.4	↑3.9
12/1 01:40	43.4	↑4.0
12/1 01:50	47.5	↑4.1
12/1 02:00	51.6	↑4.1
12/1 02:10	55.9	↑4.3
12/1 02:20	60.2	↑4.3
12/1 02:30	64.5	↑4.3
12/1 02:40	68.7	↑4.2
12/1 02:50	73.0	↑4.3
12/1 03:00	77.2	↑4.2
12/1 03:10	81.3	↑4.1
12/1 03:20	85.3	↑4.0
12/1 03:30	89.3	↑4.0
12/1 03:40	93.0	↑3.7
12/1 03:50	96.6	↑3.6
12/1 04:00	100.1	↑3.5
12/1 04:10	103.3	↑3.2
12/1 04:20	106.4	↑3.1
12/1 04:30	109.2	↑2.8
12/1 04:40	111.8	↑2.6
12/1 04:50	114.1	↑2.3
12/1 05:00	116.2	↑2.1
12/1 05:10	118.0	↑1.8
12/1 05:20	119.5	↑1.5
12/1 05:30	120.8	↑1.3
12/1 05:40	121.8	↑1.0
12/1 05:50	122.5	↑0.7
12/1 06:00	123.0	↑0.5
12/1 06:10	123.2	↑0.2	満潮
12/1 06:20	123.1	↓-0.1
12/1 06:30	122.8	↓-0.3
12/1 06:40	122.2	↓-0.6
12/1 06:50	121.5	↓-0.7
12/1 07:00	120.5	↓-1.0
12/1 07:10	119.3	↓-1.2
12/1 07:20	118.0	↓-1.3
12/1 07:30	116.5	↓-1.5
12/1 07:40	114.8	↓-1.7
12/1 07:50	113.1	↓-1.7
12/1 08:00	111.3	↓-1.8
12/1 08:10	109.4	↓-1.9
12/1 08:20	107.5	↓-1.9
12/1 08:30	105.5	↓-2.0
12/1 08:40	103.6	↓-1.9
12/1 08:50	101.7	↓-1.9
12/1 09:00	99.8	↓-1.9
12/1 09:10	98.0	↓-1.8
12/1 09:20	96.3	↓-1.7
12/1 09:30	94.6	↓-1.7
12/1 09:40	93.1	↓-1.5
12/1 09:50	91.8	↓-1.3
12/1 10:00	90.6	↓-1.2
12/1 10:10	89.5	↓-1.1
12/1 10:20	88.6	↓-0.9
12/1 10:30	87.9	↓-0.7
12/1 10:40	87.4	↓-0.5
12/1 10:50	87.0	↓-0.4
12/1 11:00	86.9	↓-0.1	干潮
12/1 11:10	86.9	0
12/1 11:20	87.1	↑0.2
12/1 11:30	87.5	↑0.4
12/1 11:40	88.1	↑0.6
12/1 11:50	88.9	↑0.8
12/1 12:00	89.8	↑0.9
12/1 12:10	90.8	↑1.0
12/1 12:20	92.1	↑1.3
12/1 12:30	93.4	↑1.3
12/1 12:40	94.9	↑1.5
12/1 12:50	96.5	↑1.6
12/1 13:00	98.1	↑1.6
12/1 13:10	99.9	↑1.8
12/1 13:20	101.7	↑1.8
12/1 13:30	103.5	↑1.8
12/1 13:40	105.4	↑1.9
12/1 13:50	107.3	↑1.9
12/1 14:00	109.2	↑1.9
12/1 14:10	111.1	↑1.9
12/1 14:20	113.0	↑1.9
12/1 14:30	114.7	↑1.7
12/1 14:40	116.5	↑1.8
12/1 14:50	118.1	↑1.6
12/1 15:00	119.6	↑1.5
12/1 15:10	121.0	↑1.4
12/1 15:20	122.2	↑1.2
12/1 15:30	123.3	↑1.1
12/1 15:40	124.3	↑1.0
12/1 15:50	125.0	↑0.7
12/1 16:00	125.6	↑0.6
12/1 16:10	125.9	↑0.3	満潮
12/1 16:20	126.0	↑0.1	満潮
12/1 16:30	125.9	↓-0.1
12/1 16:40	125.5	↓-0.4
12/1 16:50	124.8	↓-0.7
12/1 17:00	124.0	↓-0.8
12/1 17:10	122.8	↓-1.2
12/1 17:20	121.4	↓-1.4
12/1 17:30	119.7	↓-1.7
12/1 17:40	117.8	↓-1.9
12/1 17:50	115.5	↓-2.3
12/1 18:00	113.1	↓-2.4
12/1 18:10	110.4	↓-2.7
12/1 18:20	107.4	↓-3.0
12/1 18:30	104.2	↓-3.2
12/1 18:40	100.8	↓-3.4
12/1 18:50	97.2	↓-3.6
12/1 19:00	93.4	↓-3.8
12/1 19:10	89.5	↓-3.9
12/1 19:20	85.4	↓-4.1
12/1 19:30	81.2	↓-4.2
12/1 19:40	76.9	↓-4.3
12/1 19:50	72.5	↓-4.4
12/1 20:00	68.1	↓-4.4
12/1 20:10	63.6	↓-4.5	最大潮位差
12/1 20:20	59.2	↓-4.4
12/1 20:30	54.8	↓-4.4
12/1 20:40	50.5	↓-4.3
12/1 20:50	46.3	↓-4.2
12/1 21:00	42.2	↓-4.1
12/1 21:10	38.2	↓-4.0
12/1 21:20	34.4	↓-3.8
12/1 21:30	30.8	↓-3.6
12/1 21:40	27.4	↓-3.4
12/1 21:50	24.2	↓-3.2
12/1 22:00	21.2	↓-3.0
12/1 22:10	18.6	↓-2.6
12/1 22:20	16.2	↓-2.4
12/1 22:30	14.1	↓-2.1
12/1 22:40	12.3	↓-1.8
12/1 22:50	10.9	↓-1.4
12/1 23:00	9.7	↓-1.2
12/1 23:10	8.9	↓-0.8
12/1 23:20	8.4	↓-0.5
12/1 23:30	8.2	↓-0.2	干潮
12/1 23:40	8.3	↑0.1
12/1 23:50	8.8	↑0.5