1 (火)	00:23	03:52	10:16	18:23
	86cm	81cm	111cm	25cm
長潮 出 06:39 入 17:05 出 12:20 入 02:03

那珂湊（茨城）2050年02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
2/1 00:00	85.1	↑0.2
2/1 00:10	85.3	↑0.2
2/1 00:20	85.3	0	満潮
2/1 00:30	85.3	0
2/1 00:40	85.2	↓-0.1
2/1 00:50	85.1	↓-0.1
2/1 01:00	84.9	↓-0.2
2/1 01:10	84.6	↓-0.3
2/1 01:20	84.3	↓-0.3
2/1 01:30	84.0	↓-0.3
2/1 01:40	83.6	↓-0.4
2/1 01:50	83.2	↓-0.4
2/1 02:00	82.9	↓-0.3
2/1 02:10	82.5	↓-0.4
2/1 02:20	82.1	↓-0.4
2/1 02:30	81.8	↓-0.3
2/1 02:40	81.5	↓-0.3
2/1 02:50	81.2	↓-0.3
2/1 03:00	80.9	↓-0.3
2/1 03:10	80.7	↓-0.2
2/1 03:20	80.5	↓-0.2
2/1 03:30	80.4	↓-0.1
2/1 03:40	80.3	↓-0.1
2/1 03:50	80.2	↓-0.1	干潮
2/1 04:00	80.3	↑0.1
2/1 04:10	80.3	0
2/1 04:20	80.5	↑0.2
2/1 04:30	80.7	↑0.2
2/1 04:40	81.0	↑0.3
2/1 04:50	81.3	↑0.3
2/1 05:00	81.8	↑0.5
2/1 05:10	82.3	↑0.5
2/1 05:20	82.8	↑0.5
2/1 05:30	83.5	↑0.7
2/1 05:40	84.2	↑0.7
2/1 05:50	85.0	↑0.8
2/1 06:00	85.8	↑0.8
2/1 06:10	86.7	↑0.9
2/1 06:20	87.7	↑1.0
2/1 06:30	88.8	↑1.1
2/1 06:40	89.9	↑1.1
2/1 06:50	91.0	↑1.1
2/1 07:00	92.2	↑1.2
2/1 07:10	93.4	↑1.2
2/1 07:20	94.7	↑1.3
2/1 07:30	96.0	↑1.3
2/1 07:40	97.3	↑1.3
2/1 07:50	98.6	↑1.3
2/1 08:00	99.9	↑1.3
2/1 08:10	101.1	↑1.2
2/1 08:20	102.4	↑1.3
2/1 08:30	103.6	↑1.2
2/1 08:40	104.7	↑1.1
2/1 08:50	105.8	↑1.1
2/1 09:00	106.8	↑1.0
2/1 09:10	107.7	↑0.9
2/1 09:20	108.5	↑0.8
2/1 09:30	109.2	↑0.7
2/1 09:40	109.8	↑0.6
2/1 09:50	110.3	↑0.5
2/1 10:00	110.6	↑0.3
2/1 10:10	110.7	↑0.1	満潮
2/1 10:20	110.7	0
2/1 10:30	110.6	↓-0.1
2/1 10:40	110.3	↓-0.3
2/1 10:50	109.8	↓-0.5
2/1 11:00	109.1	↓-0.7
2/1 11:10	108.3	↓-0.8
2/1 11:20	107.3	↓-1.0
2/1 11:30	106.1	↓-1.2
2/1 11:40	104.8	↓-1.3
2/1 11:50	103.3	↓-1.5
2/1 12:00	101.6	↓-1.7
2/1 12:10	99.9	↓-1.7
2/1 12:20	97.9	↓-2.0
2/1 12:30	95.8	↓-2.1
2/1 12:40	93.7	↓-2.1
2/1 12:50	91.3	↓-2.4
2/1 13:00	88.9	↓-2.4
2/1 13:10	86.4	↓-2.5
2/1 13:20	83.9	↓-2.5
2/1 13:30	81.2	↓-2.7
2/1 13:40	78.5	↓-2.7
2/1 13:50	75.8	↓-2.7
2/1 14:00	73.0	↓-2.8	最大潮位差
2/1 14:10	70.2	↓-2.8	最大潮位差
2/1 14:20	67.4	↓-2.8	最大潮位差
2/1 14:30	64.6	↓-2.8	最大潮位差
2/1 14:40	61.8	↓-2.8	最大潮位差
2/1 14:50	59.0	↓-2.8	最大潮位差
2/1 15:00	56.3	↓-2.7
2/1 15:10	53.6	↓-2.7
2/1 15:20	51.0	↓-2.6
2/1 15:30	48.4	↓-2.6
2/1 15:40	45.9	↓-2.5
2/1 15:50	43.6	↓-2.3
2/1 16:00	41.3	↓-2.3
2/1 16:10	39.1	↓-2.2
2/1 16:20	37.0	↓-2.1
2/1 16:30	35.1	↓-1.9
2/1 16:40	33.3	↓-1.8
2/1 16:50	31.7	↓-1.6
2/1 17:00	30.1	↓-1.6
2/1 17:10	28.8	↓-1.3
2/1 17:20	27.6	↓-1.2
2/1 17:30	26.6	↓-1.0
2/1 17:40	25.7	↓-0.9
2/1 17:50	25.1	↓-0.6
2/1 18:00	24.6	↓-0.5
2/1 18:10	24.2	↓-0.4
2/1 18:20	24.1	↓-0.1	干潮
2/1 18:30	24.2	↑0.1
2/1 18:40	24.4	↑0.2
2/1 18:50	24.9	↑0.5
2/1 19:00	25.5	↑0.6
2/1 19:10	26.3	↑0.8
2/1 19:20	27.2	↑0.9
2/1 19:30	28.4	↑1.2
2/1 19:40	29.7	↑1.3
2/1 19:50	31.1	↑1.4
2/1 20:00	32.7	↑1.6
2/1 20:10	34.5	↑1.8
2/1 20:20	36.3	↑1.8
2/1 20:30	38.3	↑2.0
2/1 20:40	40.4	↑2.1
2/1 20:50	42.5	↑2.1
2/1 21:00	44.8	↑2.3
2/1 21:10	47.1	↑2.3
2/1 21:20	49.4	↑2.3
2/1 21:30	51.8	↑2.4
2/1 21:40	54.2	↑2.4
2/1 21:50	56.6	↑2.4
2/1 22:00	59.0	↑2.4
2/1 22:10	61.4	↑2.4
2/1 22:20	63.7	↑2.3
2/1 22:30	66.0	↑2.3
2/1 22:40	68.3	↑2.3
2/1 22:50	70.4	↑2.1
2/1 23:00	72.5	↑2.1
2/1 23:10	74.5	↑2.0
2/1 23:20	76.4	↑1.9
2/1 23:30	78.2	↑1.8
2/1 23:40	79.8	↑1.6
2/1 23:50	81.4	↑1.6