12 (土)	06:06	00:37	22:50	14:14
	107cm	82cm	90cm	10cm
小潮 出 05:10 入 18:10 出 - 入 09:02 潮干狩り ◎ 11:48～16:55

那珂湊（茨城）2042年04月12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
4/12 00:00	82.4	↓-0.4
4/12 00:10	82.1	↓-0.3
4/12 00:20	81.9	↓-0.2
4/12 00:30	81.8	↓-0.1	干潮
4/12 00:40	81.8	0
4/12 00:50	81.9	↑0.1
4/12 01:00	82.1	↑0.2
4/12 01:10	82.4	↑0.3
4/12 01:20	82.8	↑0.4
4/12 01:30	83.3	↑0.5
4/12 01:40	83.9	↑0.6
4/12 01:50	84.6	↑0.7
4/12 02:00	85.4	↑0.8
4/12 02:10	86.2	↑0.8
4/12 02:20	87.1	↑0.9
4/12 02:30	88.1	↑1.0
4/12 02:40	89.2	↑1.1
4/12 02:50	90.2	↑1.0
4/12 03:00	91.4	↑1.2
4/12 03:10	92.5	↑1.1
4/12 03:20	93.7	↑1.2
4/12 03:30	94.8	↑1.1
4/12 03:40	96.0	↑1.2
4/12 03:50	97.1	↑1.1
4/12 04:00	98.2	↑1.1
4/12 04:10	99.3	↑1.1
4/12 04:20	100.3	↑1.0
4/12 04:30	101.3	↑1.0
4/12 04:40	102.2	↑0.9
4/12 04:50	103.1	↑0.9
4/12 05:00	103.8	↑0.7
4/12 05:10	104.5	↑0.7
4/12 05:20	105.1	↑0.6
4/12 05:30	105.6	↑0.5
4/12 05:40	105.9	↑0.3
4/12 05:50	106.2	↑0.3
4/12 06:00	106.3	↑0.1	満潮
4/12 06:10	106.3	0
4/12 06:20	106.2	↓-0.1
4/12 06:30	105.9	↓-0.3
4/12 06:40	105.5	↓-0.4
4/12 06:50	104.9	↓-0.6
4/12 07:00	104.2	↓-0.7
4/12 07:10	103.3	↓-0.9
4/12 07:20	102.2	↓-1.1
4/12 07:30	101.0	↓-1.2
4/12 07:40	99.6	↓-1.4
4/12 07:50	98.1	↓-1.5
4/12 08:00	96.4	↓-1.7
4/12 08:10	94.5	↓-1.9
4/12 08:20	92.5	↓-2.0
4/12 08:30	90.3	↓-2.2
4/12 08:40	88.0	↓-2.3
4/12 08:50	85.5	↓-2.5
4/12 09:00	82.9	↓-2.6
4/12 09:10	80.1	↓-2.8
4/12 09:20	77.3	↓-2.8
4/12 09:30	74.3	↓-3.0
4/12 09:40	71.2	↓-3.1
4/12 09:50	68.1	↓-3.1
4/12 10:00	64.9	↓-3.2
4/12 10:10	61.6	↓-3.3	最大潮位差
4/12 10:20	58.3	↓-3.3	最大潮位差
4/12 10:30	55.0	↓-3.3	最大潮位差
4/12 10:40	51.7	↓-3.3	最大潮位差
4/12 10:50	48.4	↓-3.3	最大潮位差
4/12 11:00	45.1	↓-3.3	最大潮位差
4/12 11:10	41.9	↓-3.2
4/12 11:20	38.8	↓-3.1
4/12 11:30	35.7	↓-3.1
4/12 11:40	32.8	↓-2.9
4/12 11:50	30.0	↓-2.8
4/12 12:00	27.3	↓-2.7
4/12 12:10	24.8	↓-2.5
4/12 12:20	22.4	↓-2.4
4/12 12:30	20.2	↓-2.2
4/12 12:40	18.2	↓-2.0
4/12 12:50	16.3	↓-1.9
4/12 13:00	14.7	↓-1.6
4/12 13:10	13.3	↓-1.4
4/12 13:20	12.0	↓-1.3
4/12 13:30	11.0	↓-1.0
4/12 13:40	10.2	↓-0.8
4/12 13:50	9.7	↓-0.5
4/12 14:00	9.3	↓-0.4
4/12 14:10	9.1	↓-0.2	干潮
4/12 14:20	9.1	0
4/12 14:30	9.4	↑0.3
4/12 14:40	9.8	↑0.4
4/12 14:50	10.4	↑0.6
4/12 15:00	11.2	↑0.8
4/12 15:10	12.2	↑1.0
4/12 15:20	13.3	↑1.1
4/12 15:30	14.6	↑1.3
4/12 15:40	16.1	↑1.5
4/12 15:50	17.7	↑1.6
4/12 16:00	19.4	↑1.7
4/12 16:10	21.2	↑1.8
4/12 16:20	23.2	↑2.0
4/12 16:30	25.2	↑2.0
4/12 16:40	27.4	↑2.2
4/12 16:50	29.6	↑2.2
4/12 17:00	31.9	↑2.3
4/12 17:10	34.3	↑2.4
4/12 17:20	36.7	↑2.4
4/12 17:30	39.2	↑2.5
4/12 17:40	41.7	↑2.5
4/12 17:50	44.2	↑2.5
4/12 18:00	46.8	↑2.6
4/12 18:10	49.3	↑2.5
4/12 18:20	51.9	↑2.6
4/12 18:30	54.4	↑2.5
4/12 18:40	56.9	↑2.5
4/12 18:50	59.4	↑2.5
4/12 19:00	61.8	↑2.4
4/12 19:10	64.1	↑2.3
4/12 19:20	66.4	↑2.3
4/12 19:30	68.7	↑2.3
4/12 19:40	70.8	↑2.1
4/12 19:50	72.9	↑2.1
4/12 20:00	74.8	↑1.9
4/12 20:10	76.7	↑1.9
4/12 20:20	78.4	↑1.7
4/12 20:30	80.0	↑1.6
4/12 20:40	81.5	↑1.5
4/12 20:50	82.9	↑1.4
4/12 21:00	84.1	↑1.2
4/12 21:10	85.2	↑1.1
4/12 21:20	86.2	↑1.0
4/12 21:30	87.1	↑0.9
4/12 21:40	87.8	↑0.7
4/12 21:50	88.4	↑0.6
4/12 22:00	88.9	↑0.5
4/12 22:10	89.3	↑0.4
4/12 22:20	89.6	↑0.3
4/12 22:30	89.8	↑0.2
4/12 22:40	89.9	↑0.1	満潮
4/12 22:50	89.9	0	満潮
4/12 23:00	89.9	0
4/12 23:10	89.8	↓-0.1
4/12 23:20	89.7	↓-0.1
4/12 23:30	89.5	↓-0.2
4/12 23:40	89.3	↓-0.2
4/12 23:50	89.1	↓-0.2