1 (金)	03:12	08:15	14:01	21:05
	109cm	75cm	127cm	21cm
中潮 出 06:30 入 16:24 出 04:14 入 15:07

那珂湊（茨城）2051年12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
12/1 00:00	74.3	↑3.1
12/1 00:10	77.4	↑3.1
12/1 00:20	80.4	↑3.0
12/1 00:30	83.3	↑2.9
12/1 00:40	86.2	↑2.9
12/1 00:50	88.9	↑2.7
12/1 01:00	91.5	↑2.6
12/1 01:10	93.9	↑2.4
12/1 01:20	96.2	↑2.3
12/1 01:30	98.4	↑2.2
12/1 01:40	100.3	↑1.9
12/1 01:50	102.1	↑1.8
12/1 02:00	103.7	↑1.6
12/1 02:10	105.0	↑1.3
12/1 02:20	106.2	↑1.2
12/1 02:30	107.2	↑1.0
12/1 02:40	107.9	↑0.7
12/1 02:50	108.5	↑0.6
12/1 03:00	108.8	↑0.3
12/1 03:10	108.9	↑0.1	満潮
12/1 03:20	108.8	↓-0.1
12/1 03:30	108.5	↓-0.3
12/1 03:40	108.1	↓-0.4
12/1 03:50	107.4	↓-0.7
12/1 04:00	106.6	↓-0.8
12/1 04:10	105.6	↓-1.0
12/1 04:20	104.5	↓-1.1
12/1 04:30	103.2	↓-1.3
12/1 04:40	101.8	↓-1.4
12/1 04:50	100.3	↓-1.5
12/1 05:00	98.7	↓-1.6
12/1 05:10	97.1	↓-1.6
12/1 05:20	95.4	↓-1.7
12/1 05:30	93.6	↓-1.8
12/1 05:40	91.8	↓-1.8
12/1 05:50	90.1	↓-1.7
12/1 06:00	88.3	↓-1.8
12/1 06:10	86.6	↓-1.7
12/1 06:20	84.9	↓-1.7
12/1 06:30	83.3	↓-1.6
12/1 06:40	81.8	↓-1.5
12/1 06:50	80.4	↓-1.4
12/1 07:00	79.1	↓-1.3
12/1 07:10	77.9	↓-1.2
12/1 07:20	76.8	↓-1.1
12/1 07:30	76.0	↓-0.8
12/1 07:40	75.3	↓-0.7
12/1 07:50	74.7	↓-0.6
12/1 08:00	74.4	↓-0.3
12/1 08:10	74.2	↓-0.2	干潮
12/1 08:20	74.2	0
12/1 08:30	74.4	↑0.2
12/1 08:40	74.8	↑0.4
12/1 08:50	75.4	↑0.6
12/1 09:00	76.2	↑0.8
12/1 09:10	77.2	↑1.0
12/1 09:20	78.4	↑1.2
12/1 09:30	79.7	↑1.3
12/1 09:40	81.2	↑1.5
12/1 09:50	82.8	↑1.6
12/1 10:00	84.6	↑1.8
12/1 10:10	86.5	↑1.9
12/1 10:20	88.6	↑2.1
12/1 10:30	90.7	↑2.1
12/1 10:40	92.9	↑2.2
12/1 10:50	95.2	↑2.3
12/1 11:00	97.5	↑2.3
12/1 11:10	99.8	↑2.3
12/1 11:20	102.2	↑2.4
12/1 11:30	104.5	↑2.3
12/1 11:40	106.8	↑2.3
12/1 11:50	109.1	↑2.3
12/1 12:00	111.3	↑2.2
12/1 12:10	113.4	↑2.1
12/1 12:20	115.4	↑2.0
12/1 12:30	117.3	↑1.9
12/1 12:40	119.0	↑1.7
12/1 12:50	120.6	↑1.6
12/1 13:00	122.0	↑1.4
12/1 13:10	123.2	↑1.2
12/1 13:20	124.2	↑1.0
12/1 13:30	125.1	↑0.9
12/1 13:40	125.6	↑0.5
12/1 13:50	126.0	↑0.4
12/1 14:00	126.1	↑0.1	満潮
12/1 14:10	126.0	↓-0.1
12/1 14:20	125.6	↓-0.4
12/1 14:30	125.0	↓-0.6
12/1 14:40	124.1	↓-0.9
12/1 14:50	123.0	↓-1.1
12/1 15:00	121.6	↓-1.4
12/1 15:10	119.9	↓-1.7
12/1 15:20	118.0	↓-1.9
12/1 15:30	115.9	↓-2.1
12/1 15:40	113.5	↓-2.4
12/1 15:50	110.9	↓-2.6
12/1 16:00	108.1	↓-2.8
12/1 16:10	105.1	↓-3.0
12/1 16:20	101.9	↓-3.2
12/1 16:30	98.6	↓-3.3
12/1 16:40	95.1	↓-3.5
12/1 16:50	91.5	↓-3.6
12/1 17:00	87.8	↓-3.7
12/1 17:10	83.9	↓-3.9
12/1 17:20	80.1	↓-3.8
12/1 17:30	76.1	↓-4.0	最大潮位差
12/1 17:40	72.2	↓-3.9
12/1 17:50	68.2	↓-4.0	最大潮位差
12/1 18:00	64.3	↓-3.9
12/1 18:10	60.4	↓-3.9
12/1 18:20	56.5	↓-3.9
12/1 18:30	52.8	↓-3.7
12/1 18:40	49.2	↓-3.6
12/1 18:50	45.7	↓-3.5
12/1 19:00	42.4	↓-3.3
12/1 19:10	39.2	↓-3.2
12/1 19:20	36.3	↓-2.9
12/1 19:30	33.6	↓-2.7
12/1 19:40	31.1	↓-2.5
12/1 19:50	28.8	↓-2.3
12/1 20:00	26.8	↓-2.0
12/1 20:10	25.1	↓-1.7
12/1 20:20	23.6	↓-1.5
12/1 20:30	22.4	↓-1.2
12/1 20:40	21.6	↓-0.8
12/1 20:50	21.0	↓-0.6
12/1 21:00	20.7	↓-0.3	干潮
12/1 21:10	20.8	↑0.1
12/1 21:20	21.1	↑0.3
12/1 21:30	21.7	↑0.6
12/1 21:40	22.6	↑0.9
12/1 21:50	23.8	↑1.2
12/1 22:00	25.3	↑1.5
12/1 22:10	27.0	↑1.7
12/1 22:20	29.0	↑2.0
12/1 22:30	31.2	↑2.2
12/1 22:40	33.6	↑2.4
12/1 22:50	36.3	↑2.7
12/1 23:00	39.1	↑2.8
12/1 23:10	42.1	↑3.0
12/1 23:20	45.2	↑3.1
12/1 23:30	48.5	↑3.3
12/1 23:40	51.9	↑3.4
12/1 23:50	55.3	↑3.4