2 (木)	00:39	06:04	10:31	18:07
	90cm	75cm	87cm	28cm
長潮 出 05:23 入 18:02 出 01:57 入 12:32 潮干狩り ○ 17:01～18:02

那珂湊（茨城）2054年04月2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
4/2 00:00	89.0	↑0.4
4/2 00:10	89.4	↑0.4
4/2 00:20	89.6	↑0.2
4/2 00:30	89.7	↑0.1	満潮
4/2 00:40	89.7	0
4/2 00:50	89.7	0
4/2 01:00	89.5	↓-0.2
4/2 01:10	89.3	↓-0.2
4/2 01:20	89.0	↓-0.3
4/2 01:30	88.6	↓-0.4
4/2 01:40	88.1	↓-0.5
4/2 01:50	87.6	↓-0.5
4/2 02:00	87.1	↓-0.5
4/2 02:10	86.5	↓-0.6
4/2 02:20	85.8	↓-0.7
4/2 02:30	85.2	↓-0.6
4/2 02:40	84.5	↓-0.7
4/2 02:50	83.8	↓-0.7
4/2 03:00	83.1	↓-0.7
4/2 03:10	82.4	↓-0.7
4/2 03:20	81.7	↓-0.7
4/2 03:30	81.0	↓-0.7
4/2 03:40	80.3	↓-0.7
4/2 03:50	79.6	↓-0.7
4/2 04:00	79.0	↓-0.6
4/2 04:10	78.4	↓-0.6
4/2 04:20	77.8	↓-0.6
4/2 04:30	77.2	↓-0.6
4/2 04:40	76.7	↓-0.5
4/2 04:50	76.3	↓-0.4
4/2 05:00	75.9	↓-0.4
4/2 05:10	75.5	↓-0.4
4/2 05:20	75.2	↓-0.3
4/2 05:30	74.9	↓-0.3
4/2 05:40	74.7	↓-0.2
4/2 05:50	74.6	↓-0.1
4/2 06:00	74.6	0	干潮
4/2 06:10	74.6	0
4/2 06:20	74.7	↑0.1
4/2 06:30	74.8	↑0.1
4/2 06:40	75.1	↑0.3
4/2 06:50	75.3	↑0.2
4/2 07:00	75.7	↑0.4
4/2 07:10	76.1	↑0.4
4/2 07:20	76.6	↑0.5
4/2 07:30	77.1	↑0.5
4/2 07:40	77.7	↑0.6
4/2 07:50	78.3	↑0.6
4/2 08:00	79.0	↑0.7
4/2 08:10	79.6	↑0.6
4/2 08:20	80.3	↑0.7
4/2 08:30	81.0	↑0.7
4/2 08:40	81.8	↑0.8
4/2 08:50	82.4	↑0.6
4/2 09:00	83.1	↑0.7
4/2 09:10	83.8	↑0.7
4/2 09:20	84.4	↑0.6
4/2 09:30	84.9	↑0.5
4/2 09:40	85.4	↑0.5
4/2 09:50	85.8	↑0.4
4/2 10:00	86.2	↑0.4
4/2 10:10	86.4	↑0.2
4/2 10:20	86.6	↑0.2
4/2 10:30	86.6	0	満潮
4/2 10:40	86.6	0
4/2 10:50	86.4	↓-0.2
4/2 11:00	86.1	↓-0.3
4/2 11:10	85.7	↓-0.4
4/2 11:20	85.2	↓-0.5
4/2 11:30	84.5	↓-0.7
4/2 11:40	83.7	↓-0.8
4/2 11:50	82.8	↓-0.9
4/2 12:00	81.8	↓-1.0
4/2 12:10	80.6	↓-1.2
4/2 12:20	79.4	↓-1.2
4/2 12:30	78.0	↓-1.4
4/2 12:40	76.5	↓-1.5
4/2 12:50	75.0	↓-1.5
4/2 13:00	73.3	↓-1.7
4/2 13:10	71.6	↓-1.7
4/2 13:20	69.8	↓-1.8
4/2 13:30	67.9	↓-1.9
4/2 13:40	66.0	↓-1.9
4/2 13:50	64.0	↓-2.0
4/2 14:00	62.0	↓-2.0
4/2 14:10	60.0	↓-2.0
4/2 14:20	58.0	↓-2.0
4/2 14:30	55.9	↓-2.1
4/2 14:40	53.9	↓-2.0
4/2 14:50	51.9	↓-2.0
4/2 15:00	49.8	↓-2.1
4/2 15:10	47.9	↓-1.9
4/2 15:20	45.9	↓-2.0
4/2 15:30	44.1	↓-1.8
4/2 15:40	42.2	↓-1.9
4/2 15:50	40.5	↓-1.7
4/2 16:00	38.8	↓-1.7
4/2 16:10	37.2	↓-1.6
4/2 16:20	35.7	↓-1.5
4/2 16:30	34.3	↓-1.4
4/2 16:40	33.0	↓-1.3
4/2 16:50	31.8	↓-1.2
4/2 17:00	30.8	↓-1.0
4/2 17:10	29.8	↓-1.0
4/2 17:20	29.1	↓-0.7
4/2 17:30	28.4	↓-0.7
4/2 17:40	27.9	↓-0.5
4/2 17:50	27.6	↓-0.3
4/2 18:00	27.4	↓-0.2	干潮
4/2 18:10	27.4	0
4/2 18:20	27.5	↑0.1
4/2 18:30	27.8	↑0.3
4/2 18:40	28.3	↑0.5
4/2 18:50	28.9	↑0.6
4/2 19:00	29.7	↑0.8
4/2 19:10	30.7	↑1.0
4/2 19:20	31.8	↑1.1
4/2 19:30	33.1	↑1.3
4/2 19:40	34.5	↑1.4
4/2 19:50	36.1	↑1.6
4/2 20:00	37.8	↑1.7
4/2 20:10	39.7	↑1.9
4/2 20:20	41.6	↑1.9
4/2 20:30	43.7	↑2.1
4/2 20:40	45.9	↑2.2
4/2 20:50	48.1	↑2.2
4/2 21:00	50.5	↑2.4
4/2 21:10	52.9	↑2.4
4/2 21:20	55.3	↑2.4
4/2 21:30	57.7	↑2.4
4/2 21:40	60.2	↑2.5	最大潮位差
4/2 21:50	62.7	↑2.5	最大潮位差
4/2 22:00	65.1	↑2.4
4/2 22:10	67.6	↑2.5	最大潮位差
4/2 22:20	70.0	↑2.4
4/2 22:30	72.3	↑2.3
4/2 22:40	74.6	↑2.3
4/2 22:50	76.8	↑2.2
4/2 23:00	78.9	↑2.1
4/2 23:10	80.8	↑1.9
4/2 23:20	82.7	↑1.9
4/2 23:30	84.5	↑1.8
4/2 23:40	86.1	↑1.6
4/2 23:50	87.6	↑1.5