7 (月)	07:52	00:47	18:16	12:37
	119cm	29cm	127cm	90cm
中潮 出 05:38 入 17:14 出 20:42 入 10:51

那珂湊（茨城）2058年10月7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
10/7 00:00	31.2	↓-1.4
10/7 00:10	30.0	↓-1.2
10/7 00:20	29.2	↓-0.8
10/7 00:30	28.6	↓-0.6
10/7 00:40	28.3	↓-0.3	干潮
10/7 00:50	28.2	↓-0.1
10/7 01:00	28.5	↑0.3
10/7 01:10	29.0	↑0.5
10/7 01:20	29.8	↑0.8
10/7 01:30	30.8	↑1.0
10/7 01:40	32.1	↑1.3
10/7 01:50	33.7	↑1.6
10/7 02:00	35.4	↑1.7
10/7 02:10	37.4	↑2.0
10/7 02:20	39.6	↑2.2
10/7 02:30	41.9	↑2.3
10/7 02:40	44.4	↑2.5
10/7 02:50	47.1	↑2.7
10/7 03:00	49.9	↑2.8
10/7 03:10	52.9	↑3.0
10/7 03:20	55.9	↑3.0
10/7 03:30	59.1	↑3.2
10/7 03:40	62.3	↑3.2
10/7 03:50	65.6	↑3.3
10/7 04:00	68.9	↑3.3
10/7 04:10	72.2	↑3.3
10/7 04:20	75.6	↑3.4
10/7 04:30	78.9	↑3.3
10/7 04:40	82.2	↑3.3
10/7 04:50	85.4	↑3.2
10/7 05:00	88.6	↑3.2
10/7 05:10	91.7	↑3.1
10/7 05:20	94.7	↑3.0
10/7 05:30	97.6	↑2.9
10/7 05:40	100.3	↑2.7
10/7 05:50	102.9	↑2.6
10/7 06:00	105.4	↑2.5
10/7 06:10	107.6	↑2.2
10/7 06:20	109.7	↑2.1
10/7 06:30	111.6	↑1.9
10/7 06:40	113.3	↑1.7
10/7 06:50	114.7	↑1.4
10/7 07:00	116.0	↑1.3
10/7 07:10	117.0	↑1.0
10/7 07:20	117.8	↑0.8
10/7 07:30	118.4	↑0.6
10/7 07:40	118.7	↑0.3
10/7 07:50	118.8	↑0.1	満潮
10/7 08:00	118.8	0
10/7 08:10	118.5	↓-0.3
10/7 08:20	118.0	↓-0.5
10/7 08:30	117.3	↓-0.7
10/7 08:40	116.5	↓-0.8
10/7 08:50	115.4	↓-1.1
10/7 09:00	114.3	↓-1.1
10/7 09:10	113.0	↓-1.3
10/7 09:20	111.6	↓-1.4
10/7 09:30	110.2	↓-1.4
10/7 09:40	108.6	↓-1.6
10/7 09:50	107.0	↓-1.6
10/7 10:00	105.4	↓-1.6
10/7 10:10	103.7	↓-1.7
10/7 10:20	102.1	↓-1.6
10/7 10:30	100.5	↓-1.6
10/7 10:40	99.0	↓-1.5
10/7 10:50	97.5	↓-1.5
10/7 11:00	96.1	↓-1.4
10/7 11:10	94.8	↓-1.3
10/7 11:20	93.5	↓-1.3
10/7 11:30	92.5	↓-1.0
10/7 11:40	91.5	↓-1.0
10/7 11:50	90.7	↓-0.8
10/7 12:00	90.1	↓-0.6
10/7 12:10	89.6	↓-0.5
10/7 12:20	89.2	↓-0.4
10/7 12:30	89.0	↓-0.2	干潮
10/7 12:40	89.0	0
10/7 12:50	89.2	↑0.2
10/7 13:00	89.5	↑0.3
10/7 13:10	89.9	↑0.4
10/7 13:20	90.5	↑0.6
10/7 13:30	91.3	↑0.8
10/7 13:40	92.2	↑0.9
10/7 13:50	93.2	↑1.0
10/7 14:00	94.3	↑1.1
10/7 14:10	95.6	↑1.3
10/7 14:20	96.9	↑1.3
10/7 14:30	98.4	↑1.5
10/7 14:40	99.9	↑1.5
10/7 14:50	101.4	↑1.5
10/7 15:00	103.1	↑1.7
10/7 15:10	104.7	↑1.6
10/7 15:20	106.4	↑1.7
10/7 15:30	108.1	↑1.7
10/7 15:40	109.9	↑1.8
10/7 15:50	111.6	↑1.7
10/7 16:00	113.2	↑1.6
10/7 16:10	114.9	↑1.7
10/7 16:20	116.5	↑1.6
10/7 16:30	118.0	↑1.5
10/7 16:40	119.4	↑1.4
10/7 16:50	120.8	↑1.4
10/7 17:00	122.0	↑1.2
10/7 17:10	123.2	↑1.2
10/7 17:20	124.2	↑1.0
10/7 17:30	125.0	↑0.8
10/7 17:40	125.7	↑0.7
10/7 17:50	126.3	↑0.6
10/7 18:00	126.6	↑0.3
10/7 18:10	126.8	↑0.2	満潮
10/7 18:20	126.8	0
10/7 18:30	126.6	↓-0.2
10/7 18:40	126.2	↓-0.4
10/7 18:50	125.6	↓-0.6
10/7 19:00	124.7	↓-0.9
10/7 19:10	123.7	↓-1.0
10/7 19:20	122.4	↓-1.3
10/7 19:30	120.9	↓-1.5
10/7 19:40	119.1	↓-1.8
10/7 19:50	117.2	↓-1.9
10/7 20:00	115.0	↓-2.2
10/7 20:10	112.7	↓-2.3
10/7 20:20	110.1	↓-2.6
10/7 20:30	107.4	↓-2.7
10/7 20:40	104.5	↓-2.9
10/7 20:50	101.5	↓-3.0
10/7 21:00	98.3	↓-3.2
10/7 21:10	95.0	↓-3.3
10/7 21:20	91.6	↓-3.4
10/7 21:30	88.1	↓-3.5
10/7 21:40	84.6	↓-3.5
10/7 21:50	81.0	↓-3.6	最大潮位差
10/7 22:00	77.4	↓-3.6	最大潮位差
10/7 22:10	73.8	↓-3.6	最大潮位差
10/7 22:20	70.2	↓-3.6	最大潮位差
10/7 22:30	66.7	↓-3.5
10/7 22:40	63.3	↓-3.4
10/7 22:50	59.9	↓-3.4
10/7 23:00	56.7	↓-3.2
10/7 23:10	53.6	↓-3.1
10/7 23:20	50.6	↓-3.0
10/7 23:30	47.9	↓-2.7
10/7 23:40	45.3	↓-2.6
10/7 23:50	42.8	↓-2.5