12 (火)	06:15	00:40	23:28	14:34
	104cm	83cm	89cm	15cm
小潮 出 05:09 入 18:10 出 00:19 入 09:29 潮干狩り ◎ 12:21～17:00

那珂湊（茨城）2061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	83.0	↓-0.3
4/12 00:10	82.7	↓-0.3
4/12 00:20	82.6	↓-0.1
4/12 00:30	82.5	↓-0.1	干潮
4/12 00:40	82.4	↓-0.1	干潮
4/12 00:50	82.5	↑0.1
4/12 01:00	82.6	↑0.1
4/12 01:10	82.8	↑0.2
4/12 01:20	83.1	↑0.3
4/12 01:30	83.5	↑0.4
4/12 01:40	83.9	↑0.4
4/12 01:50	84.5	↑0.6
4/12 02:00	85.1	↑0.6
4/12 02:10	85.7	↑0.6
4/12 02:20	86.5	↑0.8
4/12 02:30	87.2	↑0.7
4/12 02:40	88.1	↑0.9
4/12 02:50	89.0	↑0.9
4/12 03:00	89.9	↑0.9
4/12 03:10	90.8	↑0.9
4/12 03:20	91.8	↑1.0
4/12 03:30	92.7	↑0.9
4/12 03:40	93.7	↑1.0
4/12 03:50	94.6	↑0.9
4/12 04:00	95.6	↑1.0
4/12 04:10	96.5	↑0.9
4/12 04:20	97.4	↑0.9
4/12 04:30	98.2	↑0.8
4/12 04:40	99.0	↑0.8
4/12 04:50	99.8	↑0.8
4/12 05:00	100.5	↑0.7
4/12 05:10	101.1	↑0.6
4/12 05:20	101.6	↑0.5
4/12 05:30	102.1	↑0.5
4/12 05:40	102.5	↑0.4
4/12 05:50	102.8	↑0.3
4/12 06:00	103.0	↑0.2
4/12 06:10	103.1	↑0.1	満潮
4/12 06:20	103.1	0
4/12 06:30	103.0	↓-0.1
4/12 06:40	102.7	↓-0.3
4/12 06:50	102.4	↓-0.3
4/12 07:00	101.9	↓-0.5
4/12 07:10	101.3	↓-0.6
4/12 07:20	100.5	↓-0.8
4/12 07:30	99.6	↓-0.9
4/12 07:40	98.6	↓-1.0
4/12 07:50	97.4	↓-1.2
4/12 08:00	96.1	↓-1.3
4/12 08:10	94.6	↓-1.5
4/12 08:20	93.0	↓-1.6
4/12 08:30	91.3	↓-1.7
4/12 08:40	89.4	↓-1.9
4/12 08:50	87.4	↓-2.0
4/12 09:00	85.2	↓-2.2
4/12 09:10	82.9	↓-2.3
4/12 09:20	80.5	↓-2.4
4/12 09:30	78.0	↓-2.5
4/12 09:40	75.4	↓-2.6
4/12 09:50	72.7	↓-2.7
4/12 10:00	69.9	↓-2.8
4/12 10:10	67.1	↓-2.8
4/12 10:20	64.2	↓-2.9
4/12 10:30	61.3	↓-2.9
4/12 10:40	58.3	↓-3.0	最大潮位差
4/12 10:50	55.3	↓-3.0	最大潮位差
4/12 11:00	52.4	↓-2.9
4/12 11:10	49.4	↓-3.0	最大潮位差
4/12 11:20	46.5	↓-2.9
4/12 11:30	43.7	↓-2.8
4/12 11:40	40.9	↓-2.8
4/12 11:50	38.2	↓-2.7
4/12 12:00	35.6	↓-2.6
4/12 12:10	33.2	↓-2.4
4/12 12:20	30.8	↓-2.4
4/12 12:30	28.6	↓-2.2
4/12 12:40	26.5	↓-2.1
4/12 12:50	24.6	↓-1.9
4/12 13:00	22.8	↓-1.8
4/12 13:10	21.2	↓-1.6
4/12 13:20	19.8	↓-1.4
4/12 13:30	18.5	↓-1.3
4/12 13:40	17.5	↓-1.0
4/12 13:50	16.6	↓-0.9
4/12 14:00	15.9	↓-0.7
4/12 14:10	15.4	↓-0.5
4/12 14:20	15.1	↓-0.3
4/12 14:30	14.9	↓-0.2	干潮
4/12 14:40	14.9	0
4/12 14:50	15.1	↑0.2
4/12 15:00	15.5	↑0.4
4/12 15:10	16.0	↑0.5
4/12 15:20	16.7	↑0.7
4/12 15:30	17.6	↑0.9
4/12 15:40	18.5	↑0.9
4/12 15:50	19.7	↑1.2
4/12 16:00	20.9	↑1.2
4/12 16:10	22.3	↑1.4
4/12 16:20	23.8	↑1.5
4/12 16:30	25.4	↑1.6
4/12 16:40	27.1	↑1.7
4/12 16:50	28.9	↑1.8
4/12 17:00	30.8	↑1.9
4/12 17:10	32.7	↑1.9
4/12 17:20	34.7	↑2.0
4/12 17:30	36.8	↑2.1
4/12 17:40	39.0	↑2.2
4/12 17:50	41.2	↑2.2
4/12 18:00	43.4	↑2.2
4/12 18:10	45.6	↑2.2
4/12 18:20	47.9	↑2.3
4/12 18:30	50.2	↑2.3
4/12 18:40	52.5	↑2.3
4/12 18:50	54.8	↑2.3
4/12 19:00	57.0	↑2.2
4/12 19:10	59.3	↑2.3
4/12 19:20	61.5	↑2.2
4/12 19:30	63.7	↑2.2
4/12 19:40	65.8	↑2.1
4/12 19:50	67.8	↑2.0
4/12 20:00	69.8	↑2.0
4/12 20:10	71.7	↑1.9
4/12 20:20	73.5	↑1.8
4/12 20:30	75.2	↑1.7
4/12 20:40	76.9	↑1.7
4/12 20:50	78.4	↑1.5
4/12 21:00	79.8	↑1.4
4/12 21:10	81.2	↑1.4
4/12 21:20	82.4	↑1.2
4/12 21:30	83.4	↑1.0
4/12 21:40	84.4	↑1.0
4/12 21:50	85.3	↑0.9
4/12 22:00	86.0	↑0.7
4/12 22:10	86.7	↑0.7
4/12 22:20	87.2	↑0.5
4/12 22:30	87.7	↑0.5
4/12 22:40	88.0	↑0.3
4/12 22:50	88.3	↑0.3
4/12 23:00	88.5	↑0.2
4/12 23:10	88.6	↑0.1
4/12 23:20	88.7	↑0.1	満潮
4/12 23:30	88.7	0
4/12 23:40	88.7	0
4/12 23:50	88.6	↓-0.1