7 (土)	06:25	11:26	17:01	-
	124cm	84cm	130cm	-
中潮 出 05:38 入 17:14 出 18:53 入 08:51

那珂湊（茨城）2028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	28.3	↑0.9
10/7 00:10	29.4	↑1.1
10/7 00:20	30.8	↑1.4
10/7 00:30	32.5	↑1.7
10/7 00:40	34.4	↑1.9
10/7 00:50	36.6	↑2.2
10/7 01:00	39.0	↑2.4
10/7 01:10	41.6	↑2.6
10/7 01:20	44.4	↑2.8
10/7 01:30	47.4	↑3.0
10/7 01:40	50.5	↑3.1
10/7 01:50	53.8	↑3.3
10/7 02:00	57.1	↑3.3
10/7 02:10	60.6	↑3.5
10/7 02:20	64.1	↑3.5
10/7 02:30	67.7	↑3.6
10/7 02:40	71.4	↑3.7
10/7 02:50	75.0	↑3.6
10/7 03:00	78.6	↑3.6
10/7 03:10	82.2	↑3.6
10/7 03:20	85.8	↑3.6
10/7 03:30	89.3	↑3.5
10/7 03:40	92.7	↑3.4
10/7 03:50	96.0	↑3.3
10/7 04:00	99.1	↑3.1
10/7 04:10	102.2	↑3.1
10/7 04:20	105.1	↑2.9
10/7 04:30	107.8	↑2.7
10/7 04:40	110.3	↑2.5
10/7 04:50	112.7	↑2.4
10/7 05:00	114.8	↑2.1
10/7 05:10	116.7	↑1.9
10/7 05:20	118.4	↑1.7
10/7 05:30	119.9	↑1.5
10/7 05:40	121.1	↑1.2
10/7 05:50	122.1	↑1.0
10/7 06:00	122.8	↑0.7
10/7 06:10	123.3	↑0.5
10/7 06:20	123.5	↑0.2	満潮
10/7 06:30	123.5	0
10/7 06:40	123.3	↓-0.2
10/7 06:50	122.8	↓-0.5
10/7 07:00	122.1	↓-0.7
10/7 07:10	121.1	↓-1.0
10/7 07:20	120.0	↓-1.1
10/7 07:30	118.7	↓-1.3
10/7 07:40	117.2	↓-1.5
10/7 07:50	115.6	↓-1.6
10/7 08:00	113.9	↓-1.7
10/7 08:10	112.0	↓-1.9
10/7 08:20	110.0	↓-2.0
10/7 08:30	108.0	↓-2.0
10/7 08:40	105.9	↓-2.1
10/7 08:50	103.8	↓-2.1
10/7 09:00	101.7	↓-2.1
10/7 09:10	99.6	↓-2.1
10/7 09:20	97.6	↓-2.0
10/7 09:30	95.6	↓-2.0
10/7 09:40	93.7	↓-1.9
10/7 09:50	91.9	↓-1.8
10/7 10:00	90.3	↓-1.6
10/7 10:10	88.8	↓-1.5
10/7 10:20	87.4	↓-1.4
10/7 10:30	86.2	↓-1.2
10/7 10:40	85.2	↓-1.0
10/7 10:50	84.4	↓-0.8
10/7 11:00	83.8	↓-0.6
10/7 11:10	83.4	↓-0.4
10/7 11:20	83.2	↓-0.2	干潮
10/7 11:30	83.2	0
10/7 11:40	83.4	↑0.2
10/7 11:50	83.8	↑0.4
10/7 12:00	84.4	↑0.6
10/7 12:10	85.2	↑0.8
10/7 12:20	86.2	↑1.0
10/7 12:30	87.3	↑1.1
10/7 12:40	88.7	↑1.4
10/7 12:50	90.1	↑1.4
10/7 13:00	91.7	↑1.6
10/7 13:10	93.5	↑1.8
10/7 13:20	95.3	↑1.8
10/7 13:30	97.3	↑2.0
10/7 13:40	99.3	↑2.0
10/7 13:50	101.3	↑2.0
10/7 14:00	103.4	↑2.1
10/7 14:10	105.6	↑2.2
10/7 14:20	107.7	↑2.1
10/7 14:30	109.8	↑2.1
10/7 14:40	111.9	↑2.1
10/7 14:50	114.0	↑2.1
10/7 15:00	116.0	↑2.0
10/7 15:10	117.9	↑1.9
10/7 15:20	119.7	↑1.8
10/7 15:30	121.4	↑1.7
10/7 15:40	123.0	↑1.6
10/7 15:50	124.4	↑1.4
10/7 16:00	125.7	↑1.3
10/7 16:10	126.9	↑1.2
10/7 16:20	127.8	↑0.9
10/7 16:30	128.5	↑0.7
10/7 16:40	129.1	↑0.6
10/7 16:50	129.4	↑0.3
10/7 17:00	129.5	↑0.1	満潮
10/7 17:10	129.4	↓-0.1
10/7 17:20	129.0	↓-0.4
10/7 17:30	128.4	↓-0.6
10/7 17:40	127.6	↓-0.8
10/7 17:50	126.5	↓-1.1
10/7 18:00	125.1	↓-1.4
10/7 18:10	123.5	↓-1.6
10/7 18:20	121.7	↓-1.8
10/7 18:30	119.6	↓-2.1
10/7 18:40	117.3	↓-2.3
10/7 18:50	114.7	↓-2.6
10/7 19:00	111.9	↓-2.8
10/7 19:10	108.9	↓-3.0
10/7 19:20	105.8	↓-3.1
10/7 19:30	102.4	↓-3.4
10/7 19:40	98.9	↓-3.5
10/7 19:50	95.3	↓-3.6
10/7 20:00	91.5	↓-3.8
10/7 20:10	87.6	↓-3.9
10/7 20:20	83.6	↓-4.0
10/7 20:30	79.6	↓-4.0
10/7 20:40	75.6	↓-4.0
10/7 20:50	71.6	↓-4.0
10/7 21:00	67.5	↓-4.1	最大潮位差
10/7 21:10	63.6	↓-3.9
10/7 21:20	59.7	↓-3.9
10/7 21:30	55.9	↓-3.8
10/7 21:40	52.2	↓-3.7
10/7 21:50	48.7	↓-3.5
10/7 22:00	45.3	↓-3.4
10/7 22:10	42.2	↓-3.1
10/7 22:20	39.2	↓-3.0
10/7 22:30	36.5	↓-2.7
10/7 22:40	34.0	↓-2.5
10/7 22:50	31.8	↓-2.2
10/7 23:00	29.9	↓-1.9
10/7 23:10	28.2	↓-1.7
10/7 23:20	26.8	↓-1.4
10/7 23:30	25.8	↓-1.0
10/7 23:40	25.0	↓-0.8
10/7 23:50	24.5	↓-0.5