1 (金)	04:35	10:12	15:53	22:33
	133cm	66cm	131cm	16cm
大潮 出 06:01 入 16:43 出 17:17 入 06:22

那珂湊（茨城）2058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	49.1	↑3.6
11/1 00:10	52.8	↑3.7
11/1 00:20	56.7	↑3.9
11/1 00:30	60.7	↑4.0
11/1 00:40	64.8	↑4.1
11/1 00:50	69.0	↑4.2
11/1 01:00	73.3	↑4.3
11/1 01:10	77.6	↑4.3
11/1 01:20	81.8	↑4.2
11/1 01:30	86.1	↑4.3
11/1 01:40	90.3	↑4.2
11/1 01:50	94.4	↑4.1
11/1 02:00	98.5	↑4.1
11/1 02:10	102.4	↑3.9
11/1 02:20	106.1	↑3.7
11/1 02:30	109.7	↑3.6
11/1 02:40	113.1	↑3.4
11/1 02:50	116.2	↑3.1
11/1 03:00	119.2	↑3.0
11/1 03:10	121.8	↑2.6
11/1 03:20	124.2	↑2.4
11/1 03:30	126.4	↑2.2
11/1 03:40	128.2	↑1.8
11/1 03:50	129.8	↑1.6
11/1 04:00	131.0	↑1.2
11/1 04:10	131.9	↑0.9
11/1 04:20	132.5	↑0.6
11/1 04:30	132.8	↑0.3	満潮
11/1 04:40	132.8	0
11/1 04:50	132.4	↓-0.4
11/1 05:00	131.8	↓-0.6
11/1 05:10	130.8	↓-1.0
11/1 05:20	129.6	↓-1.2
11/1 05:30	128.1	↓-1.5
11/1 05:40	126.3	↓-1.8
11/1 05:50	124.3	↓-2.0
11/1 06:00	122.1	↓-2.2
11/1 06:10	119.7	↓-2.4
11/1 06:20	117.1	↓-2.6
11/1 06:30	114.3	↓-2.8
11/1 06:40	111.4	↓-2.9
11/1 06:50	108.4	↓-3.0
11/1 07:00	105.3	↓-3.1
11/1 07:10	102.2	↓-3.1
11/1 07:20	99.1	↓-3.1
11/1 07:30	95.9	↓-3.2
11/1 07:40	92.8	↓-3.1
11/1 07:50	89.8	↓-3.0
11/1 08:00	86.8	↓-3.0
11/1 08:10	83.9	↓-2.9
11/1 08:20	81.2	↓-2.7
11/1 08:30	78.6	↓-2.6
11/1 08:40	76.2	↓-2.4
11/1 08:50	74.0	↓-2.2
11/1 09:00	72.1	↓-1.9
11/1 09:10	70.3	↓-1.8
11/1 09:20	68.8	↓-1.5
11/1 09:30	67.5	↓-1.3
11/1 09:40	66.5	↓-1.0
11/1 09:50	65.8	↓-0.7
11/1 10:00	65.4	↓-0.4
11/1 10:10	65.2	↓-0.2	干潮
11/1 10:20	65.3	↑0.1
11/1 10:30	65.7	↑0.4
11/1 10:40	66.3	↑0.6
11/1 10:50	67.2	↑0.9
11/1 11:00	68.4	↑1.2
11/1 11:10	69.8	↑1.4
11/1 11:20	71.4	↑1.6
11/1 11:30	73.3	↑1.9
11/1 11:40	75.4	↑2.1
11/1 11:50	77.6	↑2.2
11/1 12:00	80.0	↑2.4
11/1 12:10	82.6	↑2.6
11/1 12:20	85.3	↑2.7
11/1 12:30	88.1	↑2.8
11/1 12:40	90.9	↑2.8
11/1 12:50	93.9	↑3.0
11/1 13:00	96.8	↑2.9
11/1 13:10	99.8	↑3.0
11/1 13:20	102.8	↑3.0
11/1 13:30	105.7	↑2.9
11/1 13:40	108.6	↑2.9
11/1 13:50	111.4	↑2.8
11/1 14:00	114.1	↑2.7
11/1 14:10	116.7	↑2.6
11/1 14:20	119.1	↑2.4
11/1 14:30	121.3	↑2.2
11/1 14:40	123.4	↑2.1
11/1 14:50	125.2	↑1.8
11/1 15:00	126.8	↑1.6
11/1 15:10	128.1	↑1.3
11/1 15:20	129.2	↑1.1
11/1 15:30	130.0	↑0.8
11/1 15:40	130.6	↑0.6
11/1 15:50	130.8	↑0.2	満潮
11/1 16:00	130.7	↓-0.1
11/1 16:10	130.3	↓-0.4
11/1 16:20	129.5	↓-0.8
11/1 16:30	128.5	↓-1.0
11/1 16:40	127.1	↓-1.4
11/1 16:50	125.4	↓-1.7
11/1 17:00	123.4	↓-2.0
11/1 17:10	121.1	↓-2.3
11/1 17:20	118.5	↓-2.6
11/1 17:30	115.7	↓-2.8
11/1 17:40	112.5	↓-3.2
11/1 17:50	109.1	↓-3.4
11/1 18:00	105.5	↓-3.6
11/1 18:10	101.6	↓-3.9
11/1 18:20	97.6	↓-4.0
11/1 18:30	93.4	↓-4.2
11/1 18:40	89.1	↓-4.3
11/1 18:50	84.7	↓-4.4
11/1 19:00	80.1	↓-4.6	最大潮位差
11/1 19:10	75.6	↓-4.5
11/1 19:20	71.0	↓-4.6	最大潮位差
11/1 19:30	66.4	↓-4.6	最大潮位差
11/1 19:40	61.8	↓-4.6	最大潮位差
11/1 19:50	57.4	↓-4.4
11/1 20:00	53.0	↓-4.4
11/1 20:10	48.7	↓-4.3
11/1 20:20	44.6	↓-4.1
11/1 20:30	40.7	↓-3.9
11/1 20:40	37.0	↓-3.7
11/1 20:50	33.6	↓-3.4
11/1 21:00	30.4	↓-3.2
11/1 21:10	27.4	↓-3.0
11/1 21:20	24.8	↓-2.6
11/1 21:30	22.5	↓-2.3
11/1 21:40	20.5	↓-2.0
11/1 21:50	18.8	↓-1.7
11/1 22:00	17.5	↓-1.3
11/1 22:10	16.5	↓-1.0
11/1 22:20	15.9	↓-0.6
11/1 22:30	15.7	↓-0.2	干潮
11/1 22:40	15.8	↑0.1
11/1 22:50	16.3	↑0.5
11/1 23:00	17.1	↑0.8
11/1 23:10	18.3	↑1.2
11/1 23:20	19.8	↑1.5
11/1 23:30	21.7	↑1.9
11/1 23:40	23.8	↑2.1
11/1 23:50	26.3	↑2.5