1 (水)	09:03	03:50	-	16:55
	90cm	78cm	-	29cm
小潮 出 05:25 入 18:01 出 01:14 入 11:40 潮干狩り ○ 15:52～17:56

那珂湊（茨城）2054年04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
4/1 00:00	85.7	↓-0.3
4/1 00:10	85.3	↓-0.4
4/1 00:20	84.9	↓-0.4
4/1 00:30	84.5	↓-0.4
4/1 00:40	84.0	↓-0.5
4/1 00:50	83.5	↓-0.5
4/1 01:00	82.9	↓-0.6
4/1 01:10	82.4	↓-0.5
4/1 01:20	81.9	↓-0.5
4/1 01:30	81.3	↓-0.6
4/1 01:40	80.8	↓-0.5
4/1 01:50	80.3	↓-0.5
4/1 02:00	79.9	↓-0.4
4/1 02:10	79.4	↓-0.5
4/1 02:20	79.0	↓-0.4
4/1 02:30	78.6	↓-0.4
4/1 02:40	78.3	↓-0.3
4/1 02:50	78.0	↓-0.3
4/1 03:00	77.7	↓-0.3
4/1 03:10	77.5	↓-0.2
4/1 03:20	77.4	↓-0.1
4/1 03:30	77.2	↓-0.2
4/1 03:40	77.2	0	干潮
4/1 03:50	77.2	0	干潮
4/1 04:00	77.2	0
4/1 04:10	77.3	↑0.1
4/1 04:20	77.4	↑0.1
4/1 04:30	77.5	↑0.1
4/1 04:40	77.8	↑0.3
4/1 04:50	78.0	↑0.2
4/1 05:00	78.3	↑0.3
4/1 05:10	78.7	↑0.4
4/1 05:20	79.1	↑0.4
4/1 05:30	79.5	↑0.4
4/1 05:40	80.0	↑0.5
4/1 05:50	80.5	↑0.5
4/1 06:00	81.0	↑0.5
4/1 06:10	81.6	↑0.6
4/1 06:20	82.2	↑0.6
4/1 06:30	82.8	↑0.6
4/1 06:40	83.5	↑0.7
4/1 06:50	84.1	↑0.6
4/1 07:00	84.8	↑0.7
4/1 07:10	85.4	↑0.6
4/1 07:20	86.0	↑0.6
4/1 07:30	86.7	↑0.7
4/1 07:40	87.2	↑0.5
4/1 07:50	87.8	↑0.6
4/1 08:00	88.3	↑0.5
4/1 08:10	88.8	↑0.5
4/1 08:20	89.2	↑0.4
4/1 08:30	89.5	↑0.3
4/1 08:40	89.8	↑0.3
4/1 08:50	89.9	↑0.1
4/1 09:00	90.0	↑0.1	満潮
4/1 09:10	90.0	0
4/1 09:20	89.8	↓-0.2
4/1 09:30	89.6	↓-0.2
4/1 09:40	89.2	↓-0.4
4/1 09:50	88.7	↓-0.5
4/1 10:00	88.1	↓-0.6
4/1 10:10	87.3	↓-0.8
4/1 10:20	86.4	↓-0.9
4/1 10:30	85.4	↓-1.0
4/1 10:40	84.3	↓-1.1
4/1 10:50	83.1	↓-1.2
4/1 11:00	81.7	↓-1.4
4/1 11:10	80.2	↓-1.5
4/1 11:20	78.6	↓-1.6
4/1 11:30	76.9	↓-1.7
4/1 11:40	75.2	↓-1.7
4/1 11:50	73.3	↓-1.9
4/1 12:00	71.4	↓-1.9
4/1 12:10	69.4	↓-2.0
4/1 12:20	67.4	↓-2.0
4/1 12:30	65.3	↓-2.1
4/1 12:40	63.2	↓-2.1
4/1 12:50	61.1	↓-2.1
4/1 13:00	58.9	↓-2.2	最大潮位差
4/1 13:10	56.8	↓-2.1
4/1 13:20	54.7	↓-2.1
4/1 13:30	52.6	↓-2.1
4/1 13:40	50.6	↓-2.0
4/1 13:50	48.6	↓-2.0
4/1 14:00	46.6	↓-2.0
4/1 14:10	44.7	↓-1.9
4/1 14:20	42.9	↓-1.8
4/1 14:30	41.2	↓-1.7
4/1 14:40	39.5	↓-1.7
4/1 14:50	38.0	↓-1.5
4/1 15:00	36.5	↓-1.5
4/1 15:10	35.2	↓-1.3
4/1 15:20	33.9	↓-1.3
4/1 15:30	32.8	↓-1.1
4/1 15:40	31.7	↓-1.1
4/1 15:50	30.8	↓-0.9
4/1 16:00	30.0	↓-0.8
4/1 16:10	29.4	↓-0.6
4/1 16:20	28.9	↓-0.5
4/1 16:30	28.5	↓-0.4
4/1 16:40	28.2	↓-0.3
4/1 16:50	28.1	↓-0.1	干潮
4/1 17:00	28.1	0
4/1 17:10	28.2	↑0.1
4/1 17:20	28.5	↑0.3
4/1 17:30	29.0	↑0.5
4/1 17:40	29.5	↑0.5
4/1 17:50	30.2	↑0.7
4/1 18:00	31.1	↑0.9
4/1 18:10	32.1	↑1.0
4/1 18:20	33.2	↑1.1
4/1 18:30	34.4	↑1.2
4/1 18:40	35.8	↑1.4
4/1 18:50	37.2	↑1.4
4/1 19:00	38.8	↑1.6
4/1 19:10	40.5	↑1.7
4/1 19:20	42.3	↑1.8
4/1 19:30	44.2	↑1.9
4/1 19:40	46.2	↑2.0
4/1 19:50	48.2	↑2.0
4/1 20:00	50.3	↑2.1
4/1 20:10	52.4	↑2.1
4/1 20:20	54.6	↑2.2	最大潮位差
4/1 20:30	56.8	↑2.2	最大潮位差
4/1 20:40	59.0	↑2.2	最大潮位差
4/1 20:50	61.2	↑2.2	最大潮位差
4/1 21:00	63.4	↑2.2	最大潮位差
4/1 21:10	65.5	↑2.1
4/1 21:20	67.6	↑2.1
4/1 21:30	69.7	↑2.1
4/1 21:40	71.7	↑2.0
4/1 21:50	73.6	↑1.9
4/1 22:00	75.5	↑1.9
4/1 22:10	77.2	↑1.7
4/1 22:20	78.9	↑1.7
4/1 22:30	80.5	↑1.6
4/1 22:40	81.9	↑1.4
4/1 22:50	83.2	↑1.3
4/1 23:00	84.4	↑1.2
4/1 23:10	85.5	↑1.1
4/1 23:20	86.4	↑0.9
4/1 23:30	87.3	↑0.9
4/1 23:40	88.0	↑0.7
4/1 23:50	88.6	↑0.6