1 (日)	04:41	10:09	15:57	22:36
	124cm	67cm	129cm	25cm
大潮 出 06:01 入 16:43 出 17:15 入 06:13

那珂湊（茨城）2020年11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
11/1 00:00	49.3	↑2.9
11/1 00:10	52.4	↑3.1
11/1 00:20	55.6	↑3.2
11/1 00:30	59.0	↑3.4
11/1 00:40	62.5	↑3.5
11/1 00:50	66.1	↑3.6
11/1 01:00	69.7	↑3.6
11/1 01:10	73.4	↑3.7
11/1 01:20	77.1	↑3.7
11/1 01:30	80.8	↑3.7
11/1 01:40	84.4	↑3.6
11/1 01:50	88.1	↑3.7
11/1 02:00	91.6	↑3.5
11/1 02:10	95.0	↑3.4
11/1 02:20	98.4	↑3.4
11/1 02:30	101.6	↑3.2
11/1 02:40	104.6	↑3.0
11/1 02:50	107.5	↑2.9
11/1 03:00	110.2	↑2.7
11/1 03:10	112.6	↑2.4
11/1 03:20	114.9	↑2.3
11/1 03:30	116.9	↑2.0
11/1 03:40	118.7	↑1.8
11/1 03:50	120.2	↑1.5
11/1 04:00	121.4	↑1.2
11/1 04:10	122.4	↑1.0
11/1 04:20	123.1	↑0.7
11/1 04:30	123.5	↑0.4
11/1 04:40	123.6	↑0.1	満潮
11/1 04:50	123.5	↓-0.1
11/1 05:00	123.1	↓-0.4
11/1 05:10	122.4	↓-0.7
11/1 05:20	121.5	↓-0.9
11/1 05:30	120.3	↓-1.2
11/1 05:40	118.9	↓-1.4
11/1 05:50	117.3	↓-1.6
11/1 06:00	115.4	↓-1.9
11/1 06:10	113.4	↓-2.0
11/1 06:20	111.2	↓-2.2
11/1 06:30	108.9	↓-2.3
11/1 06:40	106.4	↓-2.5
11/1 06:50	103.9	↓-2.5
11/1 07:00	101.2	↓-2.7
11/1 07:10	98.6	↓-2.6
11/1 07:20	95.8	↓-2.8
11/1 07:30	93.1	↓-2.7
11/1 07:40	90.4	↓-2.7
11/1 07:50	87.8	↓-2.6
11/1 08:00	85.2	↓-2.6
11/1 08:10	82.7	↓-2.5
11/1 08:20	80.4	↓-2.3
11/1 08:30	78.1	↓-2.3
11/1 08:40	76.0	↓-2.1
11/1 08:50	74.1	↓-1.9
11/1 09:00	72.4	↓-1.7
11/1 09:10	70.9	↓-1.5
11/1 09:20	69.6	↓-1.3
11/1 09:30	68.6	↓-1.0
11/1 09:40	67.7	↓-0.9
11/1 09:50	67.2	↓-0.5
11/1 10:00	66.8	↓-0.4	干潮
11/1 10:10	66.7	↓-0.1
11/1 10:20	66.9	↑0.2
11/1 10:30	67.3	↑0.4
11/1 10:40	68.0	↑0.7
11/1 10:50	68.9	↑0.9
11/1 11:00	70.0	↑1.1
11/1 11:10	71.3	↑1.3
11/1 11:20	72.9	↑1.6
11/1 11:30	74.6	↑1.7
11/1 11:40	76.6	↑2.0
11/1 11:50	78.7	↑2.1
11/1 12:00	80.9	↑2.2
11/1 12:10	83.3	↑2.4
11/1 12:20	85.8	↑2.5
11/1 12:30	88.4	↑2.6
11/1 12:40	91.1	↑2.7
11/1 12:50	93.8	↑2.7
11/1 13:00	96.5	↑2.7
11/1 13:10	99.3	↑2.8
11/1 13:20	102.1	↑2.8
11/1 13:30	104.8	↑2.7
11/1 13:40	107.4	↑2.6
11/1 13:50	110.0	↑2.6
11/1 14:00	112.5	↑2.5
11/1 14:10	114.9	↑2.4
11/1 14:20	117.2	↑2.3
11/1 14:30	119.3	↑2.1
11/1 14:40	121.2	↑1.9
11/1 14:50	123.0	↑1.8
11/1 15:00	124.5	↑1.5
11/1 15:10	125.8	↑1.3
11/1 15:20	126.9	↑1.1
11/1 15:30	127.7	↑0.8
11/1 15:40	128.3	↑0.6
11/1 15:50	128.6	↑0.3	満潮
11/1 16:00	128.6	0
11/1 16:10	128.4	↓-0.2
11/1 16:20	127.8	↓-0.6
11/1 16:30	127.0	↓-0.8
11/1 16:40	125.9	↓-1.1
11/1 16:50	124.5	↓-1.4
11/1 17:00	122.8	↓-1.7
11/1 17:10	120.8	↓-2.0
11/1 17:20	118.5	↓-2.3
11/1 17:30	116.0	↓-2.5
11/1 17:40	113.3	↓-2.7
11/1 17:50	110.3	↓-3.0
11/1 18:00	107.1	↓-3.2
11/1 18:10	103.7	↓-3.4
11/1 18:20	100.1	↓-3.6
11/1 18:30	96.4	↓-3.7
11/1 18:40	92.5	↓-3.9
11/1 18:50	88.5	↓-4.0
11/1 19:00	84.4	↓-4.1
11/1 19:10	80.3	↓-4.1
11/1 19:20	76.2	↓-4.1
11/1 19:30	72.0	↓-4.2	最大潮位差
11/1 19:40	67.9	↓-4.1
11/1 19:50	63.8	↓-4.1
11/1 20:00	59.8	↓-4.0
11/1 20:10	55.9	↓-3.9
11/1 20:20	52.1	↓-3.8
11/1 20:30	48.6	↓-3.5
11/1 20:40	45.1	↓-3.5
11/1 20:50	41.9	↓-3.2
11/1 21:00	38.9	↓-3.0
11/1 21:10	36.2	↓-2.7
11/1 21:20	33.7	↓-2.5
11/1 21:30	31.5	↓-2.2
11/1 21:40	29.6	↓-1.9
11/1 21:50	28.0	↓-1.6
11/1 22:00	26.8	↓-1.2
11/1 22:10	25.8	↓-1.0
11/1 22:20	25.1	↓-0.7
11/1 22:30	24.8	↓-0.3	干潮
11/1 22:40	24.8	0
11/1 22:50	25.1	↑0.3
11/1 23:00	25.8	↑0.7
11/1 23:10	26.7	↑0.9
11/1 23:20	28.0	↑1.3
11/1 23:30	29.5	↑1.5
11/1 23:40	31.3	↑1.8
11/1 23:50	33.4	↑2.1