1 (木)	03:23	09:46	16:04	22:00
	138cm	37cm	132cm	47cm
大潮 出 05:33 入 17:23 出 04:57 入 17:29

那珂湊（茨城）2054年10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
10/1 00:00	89.7	↑3.4
10/1 00:10	93.0	↑3.3
10/1 00:20	96.5	↑3.5
10/1 00:30	99.9	↑3.4
10/1 00:40	103.3	↑3.4
10/1 00:50	106.7	↑3.4
10/1 01:00	110.0	↑3.3
10/1 01:10	113.2	↑3.2
10/1 01:20	116.3	↑3.1
10/1 01:30	119.2	↑2.9
10/1 01:40	122.0	↑2.8
10/1 01:50	124.7	↑2.7
10/1 02:00	127.1	↑2.4
10/1 02:10	129.3	↑2.2
10/1 02:20	131.2	↑1.9
10/1 02:30	132.9	↑1.7
10/1 02:40	134.3	↑1.4
10/1 02:50	135.5	↑1.2
10/1 03:00	136.3	↑0.8
10/1 03:10	136.9	↑0.6
10/1 03:20	137.1	↑0.2	満潮
10/1 03:30	137.0	↓-0.1
10/1 03:40	136.6	↓-0.4
10/1 03:50	135.9	↓-0.7
10/1 04:00	134.9	↓-1.0
10/1 04:10	133.5	↓-1.4
10/1 04:20	131.8	↓-1.7
10/1 04:30	129.9	↓-1.9
10/1 04:40	127.6	↓-2.3
10/1 04:50	125.1	↓-2.5
10/1 05:00	122.3	↓-2.8
10/1 05:10	119.3	↓-3.0
10/1 05:20	116.1	↓-3.2
10/1 05:30	112.6	↓-3.5
10/1 05:40	109.0	↓-3.6
10/1 05:50	105.2	↓-3.8
10/1 06:00	101.3	↓-3.9
10/1 06:10	97.3	↓-4.0
10/1 06:20	93.2	↓-4.1
10/1 06:30	89.1	↓-4.1
10/1 06:40	84.9	↓-4.2	最大潮位差
10/1 06:50	80.8	↓-4.1
10/1 07:00	76.7	↓-4.1
10/1 07:10	72.7	↓-4.0
10/1 07:20	68.7	↓-4.0
10/1 07:30	64.9	↓-3.8
10/1 07:40	61.2	↓-3.7
10/1 07:50	57.8	↓-3.4
10/1 08:00	54.5	↓-3.3
10/1 08:10	51.4	↓-3.1
10/1 08:20	48.6	↓-2.8
10/1 08:30	46.0	↓-2.6
10/1 08:40	43.8	↓-2.2
10/1 08:50	41.8	↓-2.0
10/1 09:00	40.1	↓-1.7
10/1 09:10	38.8	↓-1.3
10/1 09:20	37.8	↓-1.0
10/1 09:30	37.1	↓-0.7
10/1 09:40	36.7	↓-0.4	干潮
10/1 09:50	36.7	0
10/1 10:00	37.0	↑0.3
10/1 10:10	37.7	↑0.7
10/1 10:20	38.7	↑1.0
10/1 10:30	40.0	↑1.3
10/1 10:40	41.6	↑1.6
10/1 10:50	43.5	↑1.9
10/1 11:00	45.7	↑2.2
10/1 11:10	48.2	↑2.5
10/1 11:20	50.9	↑2.7
10/1 11:30	53.8	↑2.9
10/1 11:40	57.0	↑3.2
10/1 11:50	60.3	↑3.3
10/1 12:00	63.8	↑3.5
10/1 12:10	67.4	↑3.6
10/1 12:20	71.2	↑3.8
10/1 12:30	75.0	↑3.8
10/1 12:40	78.9	↑3.9
10/1 12:50	82.8	↑3.9
10/1 13:00	86.7	↑3.9
10/1 13:10	90.7	↑4.0
10/1 13:20	94.5	↑3.8
10/1 13:30	98.3	↑3.8
10/1 13:40	102.0	↑3.7
10/1 13:50	105.6	↑3.6
10/1 14:00	109.1	↑3.5
10/1 14:10	112.3	↑3.2
10/1 14:20	115.4	↑3.1
10/1 14:30	118.3	↑2.9
10/1 14:40	120.9	↑2.6
10/1 14:50	123.3	↑2.4
10/1 15:00	125.4	↑2.1
10/1 15:10	127.2	↑1.8
10/1 15:20	128.7	↑1.5
10/1 15:30	130.0	↑1.3
10/1 15:40	130.9	↑0.9
10/1 15:50	131.4	↑0.5
10/1 16:00	131.7	↑0.3	満潮
10/1 16:10	131.6	↓-0.1
10/1 16:20	131.2	↓-0.4
10/1 16:30	130.5	↓-0.7
10/1 16:40	129.5	↓-1.0
10/1 16:50	128.1	↓-1.4
10/1 17:00	126.4	↓-1.7
10/1 17:10	124.5	↓-1.9
10/1 17:20	122.3	↓-2.2
10/1 17:30	119.8	↓-2.5
10/1 17:40	117.1	↓-2.7
10/1 17:50	114.1	↓-3.0
10/1 18:00	111.0	↓-3.1
10/1 18:10	107.7	↓-3.3
10/1 18:20	104.2	↓-3.5
10/1 18:30	100.6	↓-3.6
10/1 18:40	97.0	↓-3.6
10/1 18:50	93.2	↓-3.8
10/1 19:00	89.5	↓-3.7
10/1 19:10	85.7	↓-3.8
10/1 19:20	82.0	↓-3.7
10/1 19:30	78.3	↓-3.7
10/1 19:40	74.7	↓-3.6
10/1 19:50	71.2	↓-3.5
10/1 20:00	67.9	↓-3.3
10/1 20:10	64.7	↓-3.2
10/1 20:20	61.7	↓-3.0
10/1 20:30	59.0	↓-2.7
10/1 20:40	56.4	↓-2.6
10/1 20:50	54.2	↓-2.2
10/1 21:00	52.2	↓-2.0
10/1 21:10	50.4	↓-1.8
10/1 21:20	49.0	↓-1.4
10/1 21:30	47.9	↓-1.1
10/1 21:40	47.1	↓-0.8
10/1 21:50	46.6	↓-0.5	干潮
10/1 22:00	46.5	↓-0.1	干潮
10/1 22:10	46.7	↑0.2
10/1 22:20	47.2	↑0.5
10/1 22:30	48.0	↑0.8
10/1 22:40	49.2	↑1.2
10/1 22:50	50.6	↑1.4
10/1 23:00	52.4	↑1.8
10/1 23:10	54.4	↑2.0
10/1 23:20	56.7	↑2.3
10/1 23:30	59.3	↑2.6
10/1 23:40	62.1	↑2.8
10/1 23:50	65.1	↑3.0