01 (月)	07:34	01:42	-	15:46
	98cm	80cm	-	23cm
小潮 出 05:25 入 18:01 出 10:34 入 00:51 潮干狩り ○ 14:01～17:35

那珂湊（茨城）2058年04月01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	82.0	↓-0.4
4/1 00:10	81.6	↓-0.4
4/1 00:20	81.2	↓-0.4
4/1 00:30	80.8	↓-0.4
4/1 00:40	80.5	↓-0.3
4/1 00:50	80.1	↓-0.4
4/1 01:00	79.9	↓-0.2
4/1 01:10	79.7	↓-0.2
4/1 01:20	79.5	↓-0.2
4/1 01:30	79.4	↓-0.1
4/1 01:40	79.4	0	干潮
4/1 01:50	79.4	0
4/1 02:00	79.5	↑0.1
4/1 02:10	79.6	↑0.1
4/1 02:20	79.9	↑0.3
4/1 02:30	80.1	↑0.2
4/1 02:40	80.5	↑0.4
4/1 02:50	80.9	↑0.4
4/1 03:00	81.3	↑0.4
4/1 03:10	81.8	↑0.5
4/1 03:20	82.3	↑0.5
4/1 03:30	82.9	↑0.6
4/1 03:40	83.6	↑0.7
4/1 03:50	84.2	↑0.6
4/1 04:00	84.9	↑0.7
4/1 04:10	85.6	↑0.7
4/1 04:20	86.3	↑0.7
4/1 04:30	87.1	↑0.8
4/1 04:40	87.8	↑0.7
4/1 04:50	88.6	↑0.8
4/1 05:00	89.4	↑0.8
4/1 05:10	90.1	↑0.7
4/1 05:20	90.9	↑0.8
4/1 05:30	91.6	↑0.7
4/1 05:40	92.3	↑0.7
4/1 05:50	93.0	↑0.7
4/1 06:00	93.7	↑0.7
4/1 06:10	94.3	↑0.6
4/1 06:20	94.9	↑0.6
4/1 06:30	95.4	↑0.5
4/1 06:40	95.8	↑0.4
4/1 06:50	96.3	↑0.5
4/1 07:00	96.6	↑0.3
4/1 07:10	96.8	↑0.2
4/1 07:20	97.0	↑0.2
4/1 07:30	97.1	↑0.1	満潮
4/1 07:40	97.1	0
4/1 07:50	97.0	↓-0.1
4/1 08:00	96.7	↓-0.3
4/1 08:10	96.4	↓-0.3
4/1 08:20	95.9	↓-0.5
4/1 08:30	95.3	↓-0.6
4/1 08:40	94.6	↓-0.7
4/1 08:50	93.7	↓-0.9
4/1 09:00	92.7	↓-1.0
4/1 09:10	91.6	↓-1.1
4/1 09:20	90.3	↓-1.3
4/1 09:30	88.9	↓-1.4
4/1 09:40	87.4	↓-1.5
4/1 09:50	85.7	↓-1.7
4/1 10:00	83.9	↓-1.8
4/1 10:10	82.0	↓-1.9
4/1 10:20	80.0	↓-2.0
4/1 10:30	77.9	↓-2.1
4/1 10:40	75.7	↓-2.2
4/1 10:50	73.4	↓-2.3
4/1 11:00	71.0	↓-2.4
4/1 11:10	68.6	↓-2.4
4/1 11:20	66.1	↓-2.5	最大潮位差
4/1 11:30	63.6	↓-2.5	最大潮位差
4/1 11:40	61.1	↓-2.5	最大潮位差
4/1 11:50	58.6	↓-2.5	最大潮位差
4/1 12:00	56.1	↓-2.5	最大潮位差
4/1 12:10	53.6	↓-2.5	最大潮位差
4/1 12:20	51.1	↓-2.5	最大潮位差
4/1 12:30	48.7	↓-2.4
4/1 12:40	46.3	↓-2.4
4/1 12:50	44.0	↓-2.3
4/1 13:00	41.8	↓-2.2
4/1 13:10	39.7	↓-2.1
4/1 13:20	37.7	↓-2.0
4/1 13:30	35.8	↓-1.9
4/1 13:40	34.0	↓-1.8
4/1 13:50	32.3	↓-1.7
4/1 14:00	30.8	↓-1.5
4/1 14:10	29.4	↓-1.4
4/1 14:20	28.1	↓-1.3
4/1 14:30	26.9	↓-1.2
4/1 14:40	25.9	↓-1.0
4/1 14:50	25.1	↓-0.8
4/1 15:00	24.4	↓-0.7
4/1 15:10	23.8	↓-0.6
4/1 15:20	23.4	↓-0.4
4/1 15:30	23.1	↓-0.3
4/1 15:40	23.0	↓-0.1	干潮
4/1 15:50	23.0	0
4/1 16:00	23.1	↑0.1
4/1 16:10	23.4	↑0.3
4/1 16:20	23.8	↑0.4
4/1 16:30	24.3	↑0.5
4/1 16:40	25.0	↑0.7
4/1 16:50	25.8	↑0.8
4/1 17:00	26.7	↑0.9
4/1 17:10	27.7	↑1.0
4/1 17:20	28.9	↑1.2
4/1 17:30	30.2	↑1.3
4/1 17:40	31.5	↑1.3
4/1 17:50	33.0	↑1.5
4/1 18:00	34.6	↑1.6
4/1 18:10	36.2	↑1.6
4/1 18:20	38.0	↑1.8
4/1 18:30	39.8	↑1.8
4/1 18:40	41.6	↑1.8
4/1 18:50	43.6	↑2.0
4/1 19:00	45.6	↑2.0
4/1 19:10	47.6	↑2.0
4/1 19:20	49.7	↑2.1
4/1 19:30	51.8	↑2.1
4/1 19:40	53.9	↑2.1
4/1 19:50	56.0	↑2.1
4/1 20:00	58.0	↑2.0
4/1 20:10	60.1	↑2.1
4/1 20:20	62.2	↑2.1
4/1 20:30	64.2	↑2.0
4/1 20:40	66.1	↑1.9
4/1 20:50	68.0	↑1.9
4/1 21:00	69.8	↑1.8
4/1 21:10	71.6	↑1.8
4/1 21:20	73.3	↑1.7
4/1 21:30	74.9	↑1.6
4/1 21:40	76.3	↑1.4
4/1 21:50	77.7	↑1.4
4/1 22:00	79.0	↑1.3
4/1 22:10	80.2	↑1.2
4/1 22:20	81.3	↑1.1
4/1 22:30	82.2	↑0.9
4/1 22:40	83.1	↑0.9
4/1 22:50	83.8	↑0.7
4/1 23:00	84.5	↑0.7
4/1 23:10	85.1	↑0.6
4/1 23:20	85.5	↑0.4
4/1 23:30	85.9	↑0.4
4/1 23:40	86.2	↑0.3
4/1 23:50	86.4	↑0.2