09 (月)	08:07	00:39	17:45	12:16
	116cm	25cm	129cm	97cm
中潮 出 05:40 入 17:11 出 20:30 入 10:48

那珂湊（茨城）2028年10月09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
10/9 00:00	26.3	↓-1.2
10/9 00:10	25.4	↓-0.9
10/9 00:20	24.7	↓-0.7
10/9 00:30	24.4	↓-0.3	干潮
10/9 00:40	24.3	↓-0.1
10/9 00:50	24.5	↑0.2
10/9 01:00	24.9	↑0.4
10/9 01:10	25.6	↑0.7
10/9 01:20	26.6	↑1.0
10/9 01:30	27.8	↑1.2
10/9 01:40	29.3	↑1.5
10/9 01:50	30.9	↑1.6
10/9 02:00	32.8	↑1.9
10/9 02:10	34.9	↑2.1
10/9 02:20	37.1	↑2.2
10/9 02:30	39.5	↑2.4
10/9 02:40	42.1	↑2.6
10/9 02:50	44.8	↑2.7
10/9 03:00	47.6	↑2.8
10/9 03:10	50.5	↑2.9
10/9 03:20	53.5	↑3.0
10/9 03:30	56.6	↑3.1
10/9 03:40	59.7	↑3.1
10/9 03:50	62.9	↑3.2
10/9 04:00	66.0	↑3.1
10/9 04:10	69.2	↑3.2
10/9 04:20	72.4	↑3.2
10/9 04:30	75.6	↑3.2
10/9 04:40	78.7	↑3.1
10/9 04:50	81.7	↑3.0
10/9 05:00	84.8	↑3.1
10/9 05:10	87.7	↑2.9
10/9 05:20	90.5	↑2.8
10/9 05:30	93.2	↑2.7
10/9 05:40	95.8	↑2.6
10/9 05:50	98.3	↑2.5
10/9 06:00	100.6	↑2.3
10/9 06:10	102.8	↑2.2
10/9 06:20	104.9	↑2.1
10/9 06:30	106.7	↑1.8
10/9 06:40	108.4	↑1.7
10/9 06:50	109.9	↑1.5
10/9 07:00	111.2	↑1.3
10/9 07:10	112.4	↑1.2
10/9 07:20	113.3	↑0.9
10/9 07:30	114.1	↑0.8
10/9 07:40	114.6	↑0.5
10/9 07:50	115.0	↑0.4
10/9 08:00	115.2	↑0.2	満潮
10/9 08:10	115.2	0
10/9 08:20	115.1	↓-0.1
10/9 08:30	114.7	↓-0.4
10/9 08:40	114.3	↓-0.4
10/9 08:50	113.7	↓-0.6
10/9 09:00	112.9	↓-0.8
10/9 09:10	112.1	↓-0.8
10/9 09:20	111.2	↓-0.9
10/9 09:30	110.1	↓-1.1
10/9 09:40	109.1	↓-1.0
10/9 09:50	107.9	↓-1.2
10/9 10:00	106.8	↓-1.1
10/9 10:10	105.6	↓-1.2
10/9 10:20	104.5	↓-1.1
10/9 10:30	103.4	↓-1.1
10/9 10:40	102.3	↓-1.1
10/9 10:50	101.2	↓-1.1
10/9 11:00	100.3	↓-0.9
10/9 11:10	99.4	↓-0.9
10/9 11:20	98.7	↓-0.7
10/9 11:30	98.0	↓-0.7
10/9 11:40	97.5	↓-0.5
10/9 11:50	97.0	↓-0.5
10/9 12:00	96.8	↓-0.2
10/9 12:10	96.6	↓-0.2	干潮
10/9 12:20	96.6	0
10/9 12:30	96.8	↑0.2
10/9 12:40	97.1	↑0.3
10/9 12:50	97.5	↑0.4
10/9 13:00	98.1	↑0.6
10/9 13:10	98.7	↑0.6
10/9 13:20	99.6	↑0.9
10/9 13:30	100.5	↑0.9
10/9 13:40	101.5	↑1.0
10/9 13:50	102.7	↑1.2
10/9 14:00	103.9	↑1.2
10/9 14:10	105.2	↑1.3
10/9 14:20	106.6	↑1.4
10/9 14:30	108.0	↑1.4
10/9 14:40	109.5	↑1.5
10/9 14:50	110.9	↑1.4
10/9 15:00	112.5	↑1.6
10/9 15:10	114.0	↑1.5
10/9 15:20	115.4	↑1.4
10/9 15:30	116.9	↑1.5
10/9 15:40	118.3	↑1.4
10/9 15:50	119.7	↑1.4
10/9 16:00	121.1	↑1.4
10/9 16:10	122.3	↑1.2
10/9 16:20	123.5	↑1.2
10/9 16:30	124.5	↑1.0
10/9 16:40	125.5	↑1.0
10/9 16:50	126.4	↑0.9
10/9 17:00	127.1	↑0.7
10/9 17:10	127.7	↑0.6
10/9 17:20	128.2	↑0.5
10/9 17:30	128.5	↑0.3
10/9 17:40	128.6	↑0.1	満潮
10/9 17:50	128.6	0
10/9 18:00	128.4	↓-0.2
10/9 18:10	128.1	↓-0.3
10/9 18:20	127.5	↓-0.6
10/9 18:30	126.8	↓-0.7
10/9 18:40	125.9	↓-0.9
10/9 18:50	124.7	↓-1.2
10/9 19:00	123.4	↓-1.3
10/9 19:10	121.9	↓-1.5
10/9 19:20	120.2	↓-1.7
10/9 19:30	118.3	↓-1.9
10/9 19:40	116.2	↓-2.1
10/9 19:50	113.9	↓-2.3
10/9 20:00	111.4	↓-2.5
10/9 20:10	108.8	↓-2.6
10/9 20:20	106.0	↓-2.8
10/9 20:30	103.0	↓-3.0
10/9 20:40	99.9	↓-3.1
10/9 20:50	96.7	↓-3.2
10/9 21:00	93.3	↓-3.4
10/9 21:10	89.9	↓-3.4
10/9 21:20	86.4	↓-3.5
10/9 21:30	82.8	↓-3.6
10/9 21:40	79.2	↓-3.6
10/9 21:50	75.5	↓-3.7	最大潮位差
10/9 22:00	71.8	↓-3.7	最大潮位差
10/9 22:10	68.2	↓-3.6
10/9 22:20	64.6	↓-3.6
10/9 22:30	61.1	↓-3.5
10/9 22:40	57.6	↓-3.5
10/9 22:50	54.3	↓-3.3
10/9 23:00	51.1	↓-3.2
10/9 23:10	48.0	↓-3.1
10/9 23:20	45.0	↓-3.0
10/9 23:30	42.3	↓-2.7
10/9 23:40	39.7	↓-2.6
10/9 23:50	37.4	↓-2.3